add

backend/README.md

@@ -0,0 +1,119 @@
+curl -X POST "http://127.0.0.1:20000/user/register" \
+  -H "Content-Type: application/json" \
+  -d '{
+    "account": "test",
+    "password": "test12341234"
+  }'
+---
+# 创建美国
+curl -X POST "http://127.0.0.1:20000/country/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "美国", "code": "US"}'
+
+# 创建中国
+curl -X POST "http://127.0.0.1:20000/country/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "中国", "code": "CN"}'
+
+# 创建日本
+curl -X POST "http://127.0.0.1:20000/country/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "日本", "code": "JP"}'
+
+# 创建香港
+curl -X POST "http://127.0.0.1:20000/country/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "香港", "code": "HK"}'
+---
+# 创建美国
+curl -X POST "http://127.0.0.1:20000/currency/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "美元", "code": "USD"}'
+
+# 创建中国
+curl -X POST "http://127.0.0.1:20000/currency/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "人民币", "code": "CNY"}'
+
+# 创建日本
+curl -X POST "http://127.0.0.1:20000/currency/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "日元", "code": "JPY"}'
+
+# 创建香港
+curl -X POST "http://127.0.0.1:20000/currency/create" \
+  -H "Content-Type: application/json" \
+  -d '{"name": "港币", "code": "HKD"}'
+---
+# 创建郑州商品交易所
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "郑州商品交易所",
+    "short_name": "郑商所",
+    "code": "CZCE"
+  }'
+
+# 创建上海证券交易所
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "上海证券交易所",
+    "short_name": "上交所",
+    "code": "SSE"
+  }'
+
+# 创建深圳证券交易所
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "深圳证券交易所",
+    "short_name": "深交所",
+    "code": "SZSE"
+  }'
+
+# 创建上海期货交易所
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "上海期货交易所",
+    "short_name": "上期所",
+    "code": "SHFE"
+  }'
+
+# 创建中国金融期货交易所
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "中国金融期货交易所",
+    "short_name": "中金所",
+    "code": "CFFEX"
+  }'
+
+  # 创建大连商品期货交易所
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "大连商品交易所",
+    "short_name": "大商所",
+    "code": "DCE"
+  }'
+
+# 创建广州期货交易所
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "广州期货交易所",
+    "short_name": "广期所",
+    "code": "GFEX"
+  }'
+
+# 创建上海国际能源交易中心
+curl -X POST http://127.0.0.1:20000/exchange/create \
+  -H "Content-Type: application/json" \
+  -d '{
+    "name": "上海国际能源交易中心",
+    "short_name": "上期能源",
+    "code": "INE"
+  }'
+---

backend/chat.md

@@ -0,0 +1,12 @@
+{
+    "biz":“新增国家“,
+    "data": [
+        {
+            "id": "",
+            "name": "",
+            "code": "",
+            "flag": "",
+        }
+    ],
+}
+---

backend/country/dev-test.sh

@@ -1 +0,0 @@
-docker run -itd --name go_country_dev -v $(pwd)/src:/app -p 20010:80 golang:1.25.0-alpine3.22

backend/country/docker-compose-dev.yaml

@@ -1,44 +0,0 @@
-services:
-  postgres:
-    image: postgres:17.4-alpine
-    container_name: country_db
-    restart: always
-    ports:
-    - 20011:5432
-    entrypoint:
-    - /scripts/db-lanuch-entrypoint.sh
-    environment:
-      POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
-      POSTGRES_DB: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-    - ./shared_data/country_db:/var/lib/postgresql/data
-    - ./sql:/docker-entrypoint-initdb.d
-    - ./scripts:/scripts
-    networks:
-    - country-network
-  country:
-    image: golang:1.25.0-alpine3.22
-    container_name: country_api
-    restart: always
-    ports:
-    - 20010:80
-    depends_on:
-    - postgres
-    networks:
-    - country-network
-    environment:
-      DB_HOST: postgres
-      DB_PORT: ${DB_PORT}
-      DB_USER: ${DB_USER}
-      DB_PASSWORD: ${DB_PASSWORD}
-      DB_NAME: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-    - ./src:/app
-    command: sh -c "cd /app && go mod tidy && go run main.go"
-networks:
-  country-network:
-    driver: bridge
-volumes: {}

backend/country/docker-compose.yaml

@@ -1,44 +0,0 @@
-services:
-  postgres:
-    image: postgres:17.4-alpine
-    container_name: country_db
-    restart: always
-    ports:
-    - 20011:5432
-    entrypoint:
-    - /scripts/db-lanuch-entrypoint.sh
-    environment:
-      POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
-      POSTGRES_DB: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-    - ./shared_data/country_db:/var/lib/postgresql/data
-    - ./sql:/docker-entrypoint-initdb.d
-    - ./scripts:/scripts
-    networks:
-    - country-network
-  country:
-    image: country-api:1.0.0
-    container_name: country_api
-    restart: always
-    ports:
-    - 20010:80
-    depends_on:
-    - postgres
-    networks:
-    - country-network
-    environment:
-      DB_HOST: postgres
-      DB_PORT: ${DB_PORT}
-      DB_USER: ${DB_USER}
-      DB_PASSWORD: ${DB_PASSWORD}
-      DB_NAME: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-      # 挂载添加日志目录挂载，将容器内日志日志目录映射到宿主机的 ./logs 目录
-      - ./logs:/app/logs  # 假设代码中日志存储路径为 /app/logs
-networks:
-  country-network:
-    driver: bridge
-volumes: {}

backend/country/sql/02_create_country_table.sql

@@ -1,30 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_country_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country') THEN
-        CREATE TABLE "country" (  -- country是关键字，用双引号包裹
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_country_updated_at
-        BEFORE UPDATE ON "country"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_country_modified_column();
-        
-        RAISE NOTICE 'Created country table and trigger';
-    ELSE
-        RAISE NOTICE 'country table already exists';
-    END IF;
-END $$;

backend/country/sql/03_create_name_table.sql

@@ -1,32 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_name_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'name') THEN
-        CREATE TABLE name (
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            country_id UUID NOT NULL,
-            name VARCHAR NOT NULL,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_name_updated_at
-        BEFORE UPDATE ON "name"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_name_modified_column();
-        
-        RAISE NOTICE 'Created name table and trigger';
-    ELSE
-        RAISE NOTICE 'name table already exists';
-    END IF;
-END $$;

backend/country/sql/04_create_code_table.sql

@@ -1,32 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_code_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'code') THEN
-        CREATE TABLE code (
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            country_id UUID NOT NULL,
-            code VARCHAR NOT NULL,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_code_updated_at
-        BEFORE UPDATE ON "code"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_code_modified_column();
-        
-        RAISE NOTICE 'Created code table and trigger';
-    ELSE
-        RAISE NOTICE 'code table already exists';
-    END IF;
-END $$;

backend/country/sql/05_create_info_view.sql

@@ -1,38 +0,0 @@
-\c postgres;
-
-DO $$
-DECLARE
-    view_exists BOOLEAN;
-BEGIN
-    -- 检查视图是否已存在
-    SELECT EXISTS (
-        SELECT 1 FROM information_schema.views 
-        WHERE table_name = 'country_info_view'
-    ) INTO view_exists;
-
-    -- 创建或更新视图
-    CREATE OR REPLACE VIEW country_info_view AS
-    SELECT 
-        u.id AS country_id,
-        n.name AS name,
-        c.code AS code,
-        u.deleted AS deleted
-    FROM 
-        "country" u
-    JOIN 
-        name n ON u.id = n.country_id
-    JOIN 
-        code c ON u.id = c.country_id
-    WHERE
-        u.deleted = FALSE;
-
-    -- 根据视图是否已存在输出不同提示
-    IF view_exists THEN
-        RAISE NOTICE '视图 country_info_view 已更新';
-    ELSE
-        RAISE NOTICE '视图 country_info_view 已创建';
-    END IF;
-EXCEPTION
-    WHEN OTHERS THEN
-        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
-END $$;

backend/country/src/go.mod

@@ -1,57 +0,0 @@
-module country
-
-go 1.25.0
-
-require (
-	github.com/gin-contrib/cors v1.7.6
-	github.com/gin-gonic/gin v1.11.0
-	github.com/google/uuid v1.6.0
-	github.com/lib/pq v1.10.9
-	github.com/spf13/viper v1.21.0
-	go.uber.org/zap v1.27.0
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1
-)
-
-require (
-	github.com/bytedance/sonic v1.14.0 // indirect
-	github.com/bytedance/sonic/loader v0.3.0 // indirect
-	github.com/cloudwego/base64x v0.1.6 // indirect
-	github.com/fsnotify/fsnotify v1.9.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
-	github.com/gin-contrib/sse v1.1.0 // indirect
-	github.com/go-playground/locales v0.14.1 // indirect
-	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.27.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
-	github.com/goccy/go-json v0.10.5 // indirect
-	github.com/goccy/go-yaml v1.18.0 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
-	github.com/leodido/go-urn v1.4.0 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
-	github.com/quic-go/qpack v0.5.1 // indirect
-	github.com/quic-go/quic-go v0.54.0 // indirect
-	github.com/sagikazarmark/locafero v0.11.0 // indirect
-	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
-	github.com/spf13/afero v1.15.0 // indirect
-	github.com/spf13/cast v1.10.0 // indirect
-	github.com/spf13/pflag v1.0.10 // indirect
-	github.com/subosito/gotenv v1.6.0 // indirect
-	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.3.0 // indirect
-	go.uber.org/mock v0.5.0 // indirect
-	go.uber.org/multierr v1.10.0 // indirect
-	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/arch v0.20.0 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
-	golang.org/x/mod v0.28.0 // indirect
-	golang.org/x/net v0.45.0 // indirect
-	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/sys v0.37.0 // indirect
-	golang.org/x/text v0.30.0 // indirect
-	golang.org/x/tools v0.37.0 // indirect
-	google.golang.org/protobuf v1.36.9 // indirect
-)

backend/country/src/logger/logger.go

@@ -1,86 +0,0 @@
-package logger
-
-import (
-	"log"
-	"os"
-	"time"
-
-	"github.com/spf13/viper"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-	"gopkg.in/natefinch/lumberjack.v2"
-)
-
-var shanghaiLoc *time.Location
-
-func init() {
-    var err error
-    shanghaiLoc, err = time.LoadLocation("Asia/Shanghai")
-    if err != nil {
-        // 尝试备选时区名称
-        shanghaiLoc, err = time.LoadLocation("PRC")
-        if err != nil {
-            // 若仍失败，手动设置东八区偏移
-            shanghaiLoc = time.FixedZone("CST", 8*3600)
-            log.Printf("警告：加载时区失败，使用手动东八区偏移: %v", err)
-        }
-    }
-}
-
-// Init 初始化日志（依赖配置文件已加载）
-func Init() {
-	// 日志级别转换
-	level := zap.InfoLevel
-	switch viper.GetString("logger.level") {
-	case "debug":
-		level = zap.DebugLevel
-	case "warn":
-		level = zap.WarnLevel
-	case "error":
-		level = zap.ErrorLevel
-	}
-
-	// 日志轮转配置（lumberjack）
-	hook := lumberjack.Logger{
-		Filename:   viper.GetString("logger.path") + "logs/app.log", // 日志文件路径
-		MaxSize:    viper.GetInt("logger.max_size"),            // 单个文件最大大小（MB）
-		MaxBackups: viper.GetInt("logger.max_backup"),          // 最大备份数
-		MaxAge:     viper.GetInt("logger.max_age"),             // 最大保留天数
-		Compress:   true,                                       // 是否压缩
-	}
-
-	// 编码器配置
-	encoderConfig := zapcore.EncoderConfig{
-		TimeKey:        "time",
-		LevelKey:       "level",
-		NameKey:        "logger",
-		CallerKey:      "caller",
-		MessageKey:     "msg",
-		StacktraceKey:  "stacktrace",
-		LineEnding:     zapcore.DefaultLineEnding,
-		EncodeLevel:    zapcore.CapitalLevelEncoder, // 日志级别大写（DEBUG/INFO）
-		EncodeTime:     customTimeEncoder,           // 自定义时间格式
-		EncodeDuration: zapcore.SecondsDurationEncoder,
-		EncodeCaller:   zapcore.ShortCallerEncoder, // 精简调用者路径
-	}
-
-	// 输出配置（控制台+文件）
-	core := zapcore.NewTee(
-		zapcore.NewCore(zapcore.NewConsoleEncoder(encoderConfig), zapcore.AddSync(os.Stdout), level),
-		zapcore.NewCore(zapcore.NewJSONEncoder(encoderConfig), zapcore.AddSync(&hook), level),
-	)
-
-	// 创建logger实例（开启调用者信息和堆栈跟踪）
-	logger := zap.New(core, zap.AddCaller(), zap.AddStacktrace(zap.ErrorLevel))
-	zap.ReplaceGlobals(logger)
-
-	zap.L().Info("✅ 日志初始化成功", zap.String("level", level.String()))
-}
-
-// customTimeEncoder 自定义时间格式（强制东八区，若加载失败则使用UTC）
-func customTimeEncoder(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
-	// 使用提前初始化好的时区，避免每次调用都加载
-	beijingTime := t.In(shanghaiLoc)
-	// 格式化输出
-	enc.AppendString(beijingTime.Format("2006-01-02 15:04:05.000"))
-}

backend/country/src/main.go

@@ -1,72 +0,0 @@
-package main
-
-import (
-	"country/db"      // 数据库相关操作包
-	"country/logger"  // 日志工具包
-	"country/logic"   // 业务逻辑处理包
-
-	"time"
-	"github.com/gin-contrib/cors"
-	"github.com/gin-gonic/gin" // Gin框架，用于构建HTTP服务
-	_ "github.com/lib/pq"      // PostgreSQL数据库驱动（下划线表示仅初始化不直接使用）
-	"go.uber.org/zap"          // Zap日志库，用于结构化日志输出
-)
-
-// main函数是程序的入口点
-func main() {
-	// 初始化日志配置
-	logger.Init()
-	// 记录服务初始化日志
-	zap.L().Info("🚀 用户服务初始化")
-	
-	// 记录数据库初始化开始日志
-	zap.L().Info("⌛️ 数据库初始化开始")
-	// 初始化数据库连接
-	db.Init()
-	// 程序退出时关闭数据库连接（defer确保在函数退出前执行）
-	defer db.DB.Close()
-	// 记录数据库初始化成功日志
-	zap.L().Info("✅ 数据库初始化成功")
-
-	// 设置Gin框架为发布模式（关闭调试信息）
-	gin.SetMode(gin.ReleaseMode)
-	// 创建Gin默认路由器
-	r := gin.Default()
-
-	// 配置跨域中间件
-	r.Use(cors.New(cors.Config{
-		// 允许所有来源（生产环境建议指定具体域名）
-		AllowOrigins:     []string{"*"},
-		// 允许的请求方法
-		AllowMethods:     []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"},
-		// 允许的请求头
-		AllowHeaders:     []string{"Origin", "Content-Type", "Content-Length", "Accept-Encoding", "X-CSRF-Token", "Authorization", "X-LoginRequest-ID"},
-		// 允许前端读取的响应头
-		ExposeHeaders:    []string{"Content-Length"},
-		// 是否允许携带cookie
-		AllowCredentials: true,
-		// 预检请求的缓存时间
-		MaxAge:           12 * time.Hour,
-	}))
-	zap.L().Info("✅ 配置跨域中间件完成")
-
-	// 注册创建国家的接口，POST请求，由logic.CreateHandler处理
-	r.POST("/country/create", logic.CreateHandler)
-	zap.L().Info("✅ 创建接口注册完成: POST /country/create")
-
-	// 注册读取国家的接口，POST请求，由logic.ReadHandler
-	r.POST("/country/read", logic.ReadHandler)
-	zap.L().Info("✅ 读取接口注册完成: POST /country/read")
-
-	// 注册更新国家的接口，POST请求，由logic.UpdateHandler
-	r.POST("/country/update", logic.UpdateHandler)
-	zap.L().Info("✅ 更新接口注册完成: POST /country/update")
-	
-	// 注册删除国家的接口，POST请求，由logic.DeleteHandler处理
-	r.POST("/country/delete", logic.DeleteHandler)
-	zap.L().Info("✅ 删除接口注册完成: POST /country/delete")
-
-	// 记录服务启动日志，监听80端口
-	zap.L().Info("✅ 服务启动在80端口")
-	r.Run(":80")
-}

backend/deploy.sh

@@ -15,10 +15,10 @@ log_error() {
 }
 
 # 定义配置常量（等号两侧无空格！集中管理，便于修改）
-IMAGE_NAME="country-api"
+IMAGE_NAME="asset-assistant-api"
 IMAGE_TAG="1.0.0"
 FULL_IMAGE="${IMAGE_NAME}:${IMAGE_TAG}"
-COMPOSE_PROJECT_NAME="country_service"
+COMPOSE_PROJECT_NAME="asset_assistant_service"
 DOCKER_COMPOSE_FILE="./docker-compose.yaml"
 SRC_DIR="./src"
 DOCKERFILE_PATH="${SRC_DIR}/Dockerfile"

backend/dev-test.sh

@@ -0,0 +1,3 @@
+sudo docker stop go_asset_assistant_dev
+sudo docker rm go_asset_assistant_dev
+sudo docker run -itd --name go_asset_assistant_dev -v $(pwd)/src:/app -p 20010:80 golang:1.25.0-alpine3.22

backend/docker-compose-dev.yaml

@@ -1,7 +1,7 @@
 services:
   postgres:
     image: postgres:17.4-alpine
-    container_name: user_db
+    container_name: asset_assistant_db
     restart: always
     ports:
     - 20001:5432
@@ -13,21 +13,21 @@ services:
       POSTGRES_DB: ${DB_NAME}
       TZ: ${TZ}
     volumes:
-    - ./shared_data/user_db:/var/lib/postgresql/data
+    - ./shared_data/asset_assistant_db:/var/lib/postgresql/data
     - ./sql:/docker-entrypoint-initdb.d
     - ./scripts:/scripts
     networks:
-    - user-network
+    - asset_assistant-network
-  user:
+  asset_assistant:
     image: golang:1.25.0-alpine3.22
-    container_name: user_api
+    container_name: asset_assistant_api
     restart: always
     ports:
     - 20000:80
     depends_on:
     - postgres
     networks:
-    - user-network
+    - asset_assistant-network
     environment:
       DB_HOST: postgres
       DB_PORT: ${DB_PORT}
@@ -39,6 +39,6 @@ services:
     - ./src:/app
     command: sh -c "cd /app && go mod tidy && go run main.go"
 networks:
-  user-network:
+  asset_assistant-network:
     driver: bridge
 volumes: {}

backend/docker-compose.yaml

@@ -1,7 +1,7 @@
 services:
   postgres:
     image: postgres:17.4-alpine
-    container_name: user_db
+    container_name: asset_assistant_db
     restart: always
     ports:
     - 20001:5432
@@ -13,21 +13,21 @@ services:
       POSTGRES_DB: ${DB_NAME}
       TZ: ${TZ}
     volumes:
-    - ./shared_data/user_db:/var/lib/postgresql/data
+    - ./shared_data/asset_assistant_db:/var/lib/postgresql/data
     - ./sql:/docker-entrypoint-initdb.d
     - ./scripts:/scripts
     networks:
-    - user-network
+    - asset-assistant-network
-  user:
+  asset_assistant:
-    image: user-api:1.0.0
+    image: asset-assistant-api:1.0.0
-    container_name: user_api
+    container_name: asset_assistant_api
     restart: always
     ports:
     - 20000:80
     depends_on:
     - postgres
     networks:
-    - user-network
+    - asset-assistant-network
     environment:
       DB_HOST: postgres
       DB_PORT: ${DB_PORT}
@@ -39,6 +39,6 @@ services:
       # 挂载添加日志目录挂载，将容器内日志日志目录映射到宿主机的 ./logs 目录
       - ./logs:/app/logs  # 假设代码中日志存储路径为 /app/logs
 networks:
-  user-network:
+  asset-assistant-network:
     driver: bridge
 volumes: {}

backend/futures_trade_record/.env

@@ -1,21 +0,0 @@
-# 数据库配置
-DB_USER=postgres
-DB_PASSWORD=postgres12341234
-DB_NAME=postgres
-DB_PORT=5432
-DB_SSL_MODE=disable
-DB_MAX_OPEN_CONNS=25
-DB_MAX_IDLE_CONNS=25
-DB_TIMEOUT=30s
-
-# 时区配置
-TZ=Asia/Shanghai
-
-# 网关端口
-PORT=80
-
-# 日志配置
-LOG_LEVEL=info
-
-# Gin模式 (debug/release/test)
-GIN_MODE=debug

backend/futures_trade_record/deploy.sh

@@ -1,86 +0,0 @@
-#!/bin/bash
-set -euo pipefail  # 更严格的错误检查：未定义变量报错、管道错误传递
-
-# 定义日志函数（带时间戳和级别）
-log_info() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [INFO] $1"
-}
-
-log_warn() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [WARN] $1" >&2
-}
-
-log_error() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [ERROR] $1" >&2
-}
-
-# 定义配置常量（等号两侧无空格！集中管理，便于修改）
-IMAGE_NAME="futures-trade-record-api"
-IMAGE_TAG="1.0.0"
-FULL_IMAGE="${IMAGE_NAME}:${IMAGE_TAG}"
-COMPOSE_PROJECT_NAME="futures_trade_record_service"
-DOCKER_COMPOSE_FILE="./docker-compose.yaml"
-SRC_DIR="./src"
-DOCKERFILE_PATH="${SRC_DIR}/Dockerfile"
-
-# 检查目录和文件存在性的通用函数
-check_exists() {
-    local path="$1"  # 变量引用加引号，避免路径含空格报错
-    local type="$2"  # "file" 或 "dir"
-    local desc="$3"
-    
-    if [ "$type" = "file" ] && [ ! -f "$path" ]; then
-        log_error "缺失必要文件: $desc ($path)"
-        exit 1
-    elif [ "$type" = "dir" ] && [ ! -d "$path" ]; then
-        log_error "缺失必要目录: $desc ($path)"
-        exit 1
-    fi
-}
-
-log_info "===== 开始执行构建脚本 ====="
-
-# 前置检查：确保必要文件和目录存在
-check_exists "$DOCKER_COMPOSE_FILE" "file" "docker-compose配置文件"
-check_exists "$SRC_DIR" "dir" "源代码目录"
-check_exists "$DOCKERFILE_PATH" "file" "Dockerfile"
-
-# 步骤1：停止docker-compose服务（变量引用加引号，兼容路径含空格）
-log_info "开始停止编排服务: ${COMPOSE_PROJECT_NAME}"
-if docker-compose -f "$DOCKER_COMPOSE_FILE" -p "$COMPOSE_PROJECT_NAME" down; then
-    log_info "编排服务 ${COMPOSE_PROJECT_NAME} 已成功停止"
-else
-    log_warn "编排服务 ${COMPOSE_PROJECT_NAME} 停止失败或未运行，继续执行后续步骤"
-fi
-
-# 步骤2：删除现有镜像（忽略不存在的情况）
-log_info "尝试删除现有镜像: ${FULL_IMAGE}"
-if sudo docker rmi -f "${FULL_IMAGE}" >/dev/null 2>&1; then
-    log_info "镜像 ${FULL_IMAGE} 删除成功"
-else
-    log_warn "镜像 ${FULL_IMAGE} 不存在或无法删除，跳过删除步骤"
-fi
-
-# 步骤3：构建新镜像（切换到src目录，避免路径问题）
-log_info "开始构建新镜像: ${FULL_IMAGE}（Dockerfile位于${DOCKERFILE_PATH}）"
-if cd "$SRC_DIR" && sudo docker build -t "${FULL_IMAGE}" -f Dockerfile .; then
-    log_info "镜像 ${FULL_IMAGE} 构建成功"
-else
-    log_error "镜像 ${FULL_IMAGE} 构建失败"
-    exit 1
-fi
-
-# 步骤4：启动docker-compose服务（变量引用加引号）
-log_info "开始启动编排服务: ${COMPOSE_PROJECT_NAME}"
-cd ..
-if docker-compose -f "$DOCKER_COMPOSE_FILE" -p "$COMPOSE_PROJECT_NAME" up -d; then
-    log_info "编排服务 ${COMPOSE_PROJECT_NAME} 已成功启动"
-    # 额外输出运行状态，提升用户体验
-    log_info "当前运行的容器："
-    docker-compose -f "$DOCKER_COMPOSE_FILE" -p "$COMPOSE_PROJECT_NAME" ps
-else
-    log_error "编排服务 ${COMPOSE_PROJECT_NAME} 启动失败"
-    exit 1
-fi
-
-log_info "===== 构建脚本执行完成 ====="

backend/futures_trade_record/dev-test.sh

@@ -1 +0,0 @@
-docker run -itd --name go_futures_trade_record_dev -v $(pwd)/src:/app -p 20010:80 golang:1.25.0-alpine3.22

backend/futures_trade_record/dev.sh

@@ -1,35 +0,0 @@
-#!/bin/bash
-
-# 日志函数
-log_info() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DEV_COMPOSE] $1"
-}
-
-log_error() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DEV_ERROR] $1" >&2
-}
-
-# 获取脚本所在目录的绝对路径
-SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
-# 拼接得到 docker-compose 文件的绝对路径
-COMPOSE_FILE="$SCRIPT_DIR/docker-compose-dev.yaml"
-
-log_info "开始启动开发环境docker-compose服务"
-
-# 检查文件是否存在
-if [ ! -f "$COMPOSE_FILE" ]; then
-    log_error "未找到docker-compose文件: $COMPOSE_FILE"
-    exit 1
-fi
-
-# 启动服务
-log_info "执行命令: sudo docker-compose -f $COMPOSE_FILE up -d"
-if sudo docker-compose -f "$COMPOSE_FILE" up -d; then
-    log_info "开发环境服务启动成功"
-    # 额外输出运行中的容器信息
-    log_info "当前运行的容器:"
-    sudo docker-compose -f "$COMPOSE_FILE" ps
-else
-    log_error "开发环境服务启动失败"
-    exit 1
-fi

backend/futures_trade_record/docker-compose-dev.yaml

@@ -1,44 +0,0 @@
-services:
-  postgres:
-    image: postgres:17.4-alpine
-    container_name: futures_trade_record_db
-    restart: always
-    ports:
-    - 20011:5432
-    entrypoint:
-    - /scripts/db-lanuch-entrypoint.sh
-    environment:
-      POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
-      POSTGRES_DB: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-    - ./shared_data/futures_trade_record_db:/var/lib/postgresql/data
-    - ./sql:/docker-entrypoint-initdb.d
-    - ./scripts:/scripts
-    networks:
-    - futures-trade-record-network
-  futures_trade_record:
-    image: golang:1.25.0-alpine3.22
-    container_name: futures_trade_record_api
-    restart: always
-    ports:
-    - 20010:80
-    depends_on:
-    - postgres
-    networks:
-    - futures-trade-record-network
-    environment:
-      DB_HOST: postgres
-      DB_PORT: ${DB_PORT}
-      DB_USER: ${DB_USER}
-      DB_PASSWORD: ${DB_PASSWORD}
-      DB_NAME: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-    - ./src:/app
-    command: sh -c "cd /app && go mod tidy && go run main.go"
-networks:
-  futures-trade-record-network:
-    driver: bridge
-volumes: {}

backend/futures_trade_record/docker-compose.yaml

@@ -1,44 +0,0 @@
-services:
-  postgres:
-    image: postgres:17.4-alpine
-    container_name: futures_trade_record_db
-    restart: always
-    ports:
-    - 20011:5432
-    entrypoint:
-    - /scripts/db-lanuch-entrypoint.sh
-    environment:
-      POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
-      POSTGRES_DB: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-    - ./shared_data/futures_trade_record_db:/var/lib/postgresql/data
-    - ./sql:/docker-entrypoint-initdb.d
-    - ./scripts:/scripts
-    networks:
-    - futures-trade-record-network
-  futures_trade_record:
-    image: futures-trade-record-api:1.0.0
-    container_name: futures_trade_record_api
-    restart: always
-    ports:
-    - 20010:80
-    depends_on:
-    - postgres
-    networks:
-    - futures-trade-record-network
-    environment:
-      DB_HOST: postgres
-      DB_PORT: ${DB_PORT}
-      DB_USER: ${DB_USER}
-      DB_PASSWORD: ${DB_PASSWORD}
-      DB_NAME: ${DB_NAME}
-      TZ: ${TZ}
-    volumes:
-      # 挂载添加日志目录挂载，将容器内日志日志目录映射到宿主机的 ./logs 目录
-      - ./logs:/app/logs  # 假设代码中日志存储路径为 /app/logs
-networks:
-  futures-trade-record-network:
-    driver: bridge
-volumes: {}

backend/futures_trade_record/scripts/db-lanuch-entrypoint.sh

@@ -1,59 +0,0 @@
-#!/bin/sh
-set -e
-
-# 日志函数（带时间戳）
-log_info() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DB_INIT] $1"
-}
-
-log_error() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DB_ERROR] $1" >&2
-}
-
-# 1. 启动PostgreSQL服务
-log_info "启动PostgreSQL服务（后台运行）"
-docker-entrypoint.sh postgres &
-PG_PID=$!
-log_info "PostgreSQL主进程ID: $PG_PID"
-
-# 2. 等待数据库就绪
-log_info "等待PostgreSQL服务就绪（主机: localhost, 端口: 5432）"
-retry_count=0
-max_retries=30  # 最多等待30秒
-until pg_isready -U "$POSTGRES_USER" -d "$POSTGRES_DB" -h "localhost" -p "5432"; do
-    retry_count=$((retry_count + 1))
-    if [ $retry_count -ge $max_retries ]; then
-        log_error "等待PostgreSQL超时（超过30秒）"
-        exit 1
-    fi
-    log_info "数据库未就绪，等待1秒（重试次数: $retry_count）"
-    sleep 1
-done
-log_info "PostgreSQL服务已就绪"
-
-# 3. 执行SQL脚本
-log_info "开始执行/docker-entrypoint-initdb.d目录下的SQL脚本"
-script_count=0
-for script in /docker-entrypoint-initdb.d/*.sql; do
-    if [ -f "$script" ]; then
-        script_count=$((script_count + 1))
-        log_info "执行脚本 ($script_count): $script"
-        if psql -U "$POSTGRES_USER" -d "$POSTGRES_DB" -h "localhost" -p "5432" -f "$script" --set=ON_ERROR_STOP=1; then
-            log_info "脚本执行成功: $script"
-        else
-            log_error "脚本执行失败: $script"
-            exit 1
-        fi
-    fi
-done
-
-if [ $script_count -eq 0 ]; then
-    log_info "未发现需要执行的SQL脚本"
-else
-    log_info "所有SQL脚本执行完成（共$script_count个）"
-fi
-
-# 4. 等待主进程
-log_info "等待PostgreSQL主进程结束（PID: $PG_PID）"
-wait $PG_PID
-log_info "PostgreSQL进程已退出"

backend/futures_trade_record/sql/01_uuid_v7_setup.sql

@@ -1,48 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
--- 检查并创建UUID扩展（如果不存在）
-CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-
--- 定义检测UUID v7支持的函数
-CREATE OR REPLACE FUNCTION check_uuid_v7_support() RETURNS BOOLEAN AS $$
-DECLARE
-    test_uuid UUID;
-BEGIN
-    BEGIN
-        SELECT gen_random_uuid_v7() INTO test_uuid;
-        RETURN TRUE;
-    EXCEPTION
-        WHEN undefined_function THEN
-            RETURN FALSE;
-    END;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
--- 创建UUID v7兼容函数（修复UUID格式长度问题）
-CREATE OR REPLACE FUNCTION gen_random_uuid_v7() RETURNS uuid AS $$
-DECLARE
-    unix_ts_ms BIGINT;
-    rand_a BIGINT;
-    rand_b BIGINT;
-    hex_str TEXT;
-BEGIN
-    -- 获取当前毫秒级Unix时间戳
-    unix_ts_ms := (EXTRACT(EPOCH FROM NOW()) * 1000)::BIGINT;
-    
-    -- 生成随机数（调整随机数范围以确保总长度正确）
-    rand_a := (random() * (2^20 - 1))::BIGINT;
-    rand_b := (random() * (2^44 - 1))::BIGINT;  -- 从48位调整为44位，减少2个字节
-    
-    -- 组合UUID v7格式（确保总长度为32个十六进制字符）
-    hex_str := 
-        lpad(to_hex(unix_ts_ms >> 12), 8, '0') ||
-        lpad(to_hex((unix_ts_ms & 4095) << 4), 4, '0') ||
-        '7' || lpad(to_hex(rand_a >> 18), 3, '0') ||
-        lpad(to_hex(8 + (rand_a & 16383) >> 12), 2, '0') ||
-        lpad(to_hex(rand_a & 4095), 3, '0') ||
-        lpad(to_hex(rand_b), 11, '0');  -- 从12位调整为11位
-    
-    RETURN hex_str::uuid;
-END;
-$$ LANGUAGE plpgsql VOLATILE;

backend/futures_trade_record/sql/02_create_record_table.sql

@@ -1,30 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_record_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'record') THEN
-        CREATE TABLE record ( 
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_record_updated_at
-        BEFORE UPDATE ON "record"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_record_modified_column();
-        
-        RAISE NOTICE 'created record table and trigger';
-    ELSE
-        RAISE NOTICE 'record table already exists';
-    END IF;
-END $$;

backend/futures_trade_record/sql/03_create_deal_table.sql

@@ -1,36 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_deal_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_deal = 'deal') THEN
-        CREATE TABLE deal (
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            record_id UUID NOT NULL,
-            variety_id VARCHAR(50) NOT NULL,  -- 品种id
-            contract VARCHAR(50) NOT NULL, -- 合约（如：2401）
-            direction VARCHAR(20) NOT NULL CHECK (direction IN ('多', '空')), -- 限制合法方向
-            variety_tick NUMERIC(12, 6),
-            variety_tick_price NUMERIC(12, 6),
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_deal_updated_at
-        BEFORE UPDATE ON "deal"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_deal_modified_column();
-        
-        RAISE NOTICE 'created deal table and trigger';
-    ELSE
-        RAISE NOTICE 'deal table already exists';
-    END IF;
-END $$;

backend/futures_trade_record/sql/04_create_open_table.sql

@@ -1,36 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_open_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_open = 'open') THEN
-        CREATE TABLE open (
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            record_id UUID NOT NULL,
-            year INT NOT NULL,
-            month INT NOT NULL,
-            day INT NOT NULL,
-            open_price NUMERIC(12, 6),
-            open_commission NUMERIC(10, 6) DEFAULT 0.00,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_open_updated_at
-        BEFORE UPDATE ON "open"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_open_modified_column();
-        
-        RAISE NOTICE 'created open table and trigger';
-    ELSE
-        RAISE NOTICE 'open table already exists';
-    END IF;
-END $$;

backend/futures_trade_record/sql/05_create_close_table.sql

@@ -1,36 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_close_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_close = 'close') THEN
-        CREATE TABLE close (
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            record_id UUID NOT NULL,
-            year INT NOT NULL,
-            month INT NOT NULL,
-            day INT NOT NULL,
-            close_price NUMERIC(12, 6),
-            close_commission NUMERIC(10, 6) DEFAULT 0.00,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_close_updated_at
-        BEFORE UPDATE ON "close"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_close_modified_column();
-        
-        RAISE NOTICE 'created close table and trigger';
-    ELSE
-        RAISE NOTICE 'close table already exists';
-    END IF;
-END $$;

backend/futures_trade_record/src/Dockerfile

@@ -1,38 +0,0 @@
-# ==================== 第一阶段：构建Go程序（构建阶段）====================
-# 使用官方Go镜像作为构建基础，选择与项目匹配的Go版本（示例用1.25.0，可根据实际调整）
-FROM golang:1.25.0-alpine3.22 AS builder
-
-# 设置工作目录（容器内的目录，规范文件位置）
-WORKDIR /app
-
-# 复制go.mod和go.sum（先复制依赖文件，利用Docker缓存机制，避免每次代码变动都重新下载依赖）
-COPY go.mod go.sum ./
-
-# 下载项目依赖（仅当go.mod/go.sum变动时才会重新执行）
-RUN go mod download
-
-# 复制整个项目代码到工作目录
-COPY . .
-
-# 构建Go程序：
-# - CGO_ENABLED=0：禁用CGO，生成静态链接的二进制文件（避免依赖系统库，保证镜像兼容性）
-# - -o app：指定输出二进制文件名为app
-# - ./main.go：指定入口文件
-RUN CGO_ENABLED=0 GOOS=linux go build -o app ./main.go
-
-
-# ==================== 第二阶段：运行程序（运行阶段）====================
-# 使用轻量级的alpine镜像（仅5MB左右，大幅减小最终镜像体积）
-FROM alpine:3.19
-
-# 设置工作目录
-WORKDIR /app
-
-# 从构建阶段复制编译好的二进制文件到当前镜像（仅复制最终产物，减小体积）
-COPY --from=builder /app/app ./
-
-# 暴露程序运行端口（与代码中一致）
-EXPOSE 80
-
-# 容器启动时执行的命令：运行二进制文件
-CMD ["./app"]

backend/futures_trade_record/src/db/postgres.go

@@ -1,54 +0,0 @@
-package db
-
-import (
-	"database/sql"
-	"fmt"
-	"os"
-	"time"
-	
-	_ "github.com/lib/pq"
-	"go.uber.org/zap"
-)
-
-var DB *sql.DB
-
-// 初始化数据库连接
-func Init() {
-	// 从环境变量获取数据库配置
-	dbHost := os.Getenv("DB_HOST")
-	dbPort := os.Getenv("DB_PORT")
-	dbUser := os.Getenv("DB_USER")
-	dbPassword := os.Getenv("DB_PASSWORD")
-	dbName := os.Getenv("DB_NAME")
-	zap.L().Info(
-		"💡 读取数据库配置",
-		zap.String("host", dbHost),
-		zap.String("port", dbPort),
-		zap.String("user", dbUser),
-		zap.String("dbname", dbName),
-	)
-
-	// 构建数据库连接字符串
-	connStr := fmt.Sprintf(
-		"host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
-		dbHost, dbPort, dbUser, dbPassword, dbName,
-	)
-
-	var err error
-	DB, err = sql.Open("postgres", connStr)
-	if err != nil {
-		zap.L().Panic("❌ 无法连接数据库", zap.Error(err))
-	}
-	
-	// 设置连接池参数
-    DB.SetMaxOpenConns(100)       // 最大打开连接数
-    DB.SetMaxIdleConns(20)        // 最大空闲连接数
-    DB.SetConnMaxLifetime(time.Hour) // 连接最大存活时间
-
-	// 验证数据库连接
-	if err := DB.Ping(); err != nil {
-		zap.L().Panic("❌ 数据库连接失败", zap.Error(err))
-	}
-
-	zap.L().Info("✅ 数据库连接验证成功")
-}

backend/futures_trade_record/src/go.mod

@@ -1,57 +0,0 @@
-module futures_trade_record
-
-go 1.25.0
-
-require (
-	github.com/gin-contrib/cors v1.7.6
-	github.com/gin-gonic/gin v1.11.0
-	github.com/google/uuid v1.6.0
-	github.com/lib/pq v1.10.9
-	github.com/spf13/viper v1.21.0
-	go.uber.org/zap v1.27.0
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1
-)
-
-require (
-	github.com/bytedance/sonic v1.14.0 // indirect
-	github.com/bytedance/sonic/loader v0.3.0 // indirect
-	github.com/cloudwego/base64x v0.1.6 // indirect
-	github.com/fsnotify/fsnotify v1.9.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
-	github.com/gin-contrib/sse v1.1.0 // indirect
-	github.com/go-playground/locales v0.14.1 // indirect
-	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.27.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
-	github.com/goccy/go-json v0.10.5 // indirect
-	github.com/goccy/go-yaml v1.18.0 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
-	github.com/leodido/go-urn v1.4.0 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
-	github.com/quic-go/qpack v0.5.1 // indirect
-	github.com/quic-go/quic-go v0.54.0 // indirect
-	github.com/sagikazarmark/locafero v0.11.0 // indirect
-	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
-	github.com/spf13/afero v1.15.0 // indirect
-	github.com/spf13/cast v1.10.0 // indirect
-	github.com/spf13/pflag v1.0.10 // indirect
-	github.com/subosito/gotenv v1.6.0 // indirect
-	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.3.0 // indirect
-	go.uber.org/mock v0.5.0 // indirect
-	go.uber.org/multierr v1.10.0 // indirect
-	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/arch v0.20.0 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
-	golang.org/x/mod v0.28.0 // indirect
-	golang.org/x/net v0.45.0 // indirect
-	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/sys v0.37.0 // indirect
-	golang.org/x/text v0.30.0 // indirect
-	golang.org/x/tools v0.37.0 // indirect
-	google.golang.org/protobuf v1.36.9 // indirect
-)

backend/futures_trade_record/src/go.sum

@@ -1,133 +0,0 @@
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-github.com/bytedance/sonic v1.14.0/go.mod h1:WoEbx8WTcFJfzCe0hbmyTGrfjt8PzNEBdxlNUO24NhA=
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-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
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-github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
-github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
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backend/futures_trade_record/src/logic/create.go

@@ -1 +0,0 @@
-package logic

backend/futures_trade_record/src/logic/delete.go

@@ -1 +0,0 @@
-package logic

backend/futures_trade_record/src/logic/read.go

@@ -1 +0,0 @@
-package logic

backend/futures_trade_record/src/logic/update.go

@@ -1 +0,0 @@
-package logic

backend/futures_trade_record/src/main.go

@@ -1,60 +0,0 @@
-package main
-
-import (
-	"futures_trade_record/db"      // 数据库相关操作包
-	"futures_trade_record/logger"  // 日志工具包
-	// "futures_trade_record/logic"   // 业务逻辑处理包
-	
-	"time"
-	"github.com/gin-contrib/cors"
-	"github.com/gin-gonic/gin" // Gin框架，用于构建HTTP服务
-	_ "github.com/lib/pq"      // PostgreSQL数据库驱动（下划线表示仅初始化不直接使用）
-	"go.uber.org/zap"          // Zap日志库，用于结构化日志输出
-)
-
-// main函数是程序的入口点
-func main() {
-	// 初始化日志配置
-	logger.Init()
-	// 记录服务初始化日志
-	zap.L().Info("🚀 用户服务初始化")
-	
-	// 记录数据库初始化开始日志
-	zap.L().Info("⌛️ 数据库初始化开始")
-	// 初始化数据库连接
-	db.Init()
-	// 程序退出时关闭数据库连接（defer确保在函数退出前执行）
-	defer db.DB.Close()
-	// 记录数据库初始化成功日志
-	zap.L().Info("✅ 数据库初始化成功")
-
-	// 设置Gin框架为发布模式（关闭调试信息）
-	gin.SetMode(gin.ReleaseMode)
-	// 创建Gin默认路由器
-	r := gin.Default()
-
-	// 配置跨域中间件
-	r.Use(cors.New(cors.Config{
-		// 允许所有来源（生产环境建议指定具体域名）
-		AllowOrigins:     []string{"*"},
-		// 允许的请求方法
-		AllowMethods:     []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"},
-		// 允许的请求头
-		AllowHeaders:     []string{"Origin", "Content-Type", "Content-Length", "Accept-Encoding", "X-CSRF-Token", "Authorization", "X-LoginRequest-ID"},
-		// 允许前端读取的响应头
-		ExposeHeaders:    []string{"Content-Length"},
-		// 是否允许携带cookie
-		AllowCredentials: true,
-		// 预检请求的缓存时间
-		MaxAge:           12 * time.Hour,
-	}))
-	zap.L().Info("✅ 配置跨域中间件完成")
-
-	// 注册创建国家的接口，POST请求，由logic.CreateHandler处理
-	// r.POST("/futurestraderecord/create", logic.CreateHandler)
-	// zap.L().Info("✅ 创建接口注册完成: POST /futurestraderecord/create")
-
-	// 记录服务启动日志，监听80端口
-	zap.L().Info("✅ 服务启动在80端口")
-	r.Run(":80")
-}

backend/prompt.md

@@ -0,0 +1,126 @@
+---
+分析这个项目，在 create.go  中完成以下需求：
+
+1、接收 name，code 两个参数。
+2、确认提交的 name，code 两个参数不能为空，如果有空，则返回提示。
+3、第二步通过后，在 country 表中，通过: "INSERT INTO country DEFAULT VALUES RETURNING id" 获得ID。
+4、通过 3 中的 id，开启事务保存到 name 和 code 的表中。
+---
+分析这个项目，在 delete.go 中完成以下需求：
+
+1、接收 country_id 参数。
+2、确认提交的 country_id 参数不能为空，如果有空，则返回提示。
+3、开启事务处理以下逻辑：
+3.1、把 country 中，country.id==req.country_id 的 deleted 字段更新为true。
+3.2、把 name 中，name.country_id==req.country_id 的 deleted 字段更新为true。
+3.3、把 code code.country_id==req.country_id 的 deleted 字段更新为true。
+---
+分析这个项目，在 update.go 中完成以下需求：
+
+1、接收 country_id,name，code 参数。
+2、确认提交的 country_id 参数有不能为空，如果为空，则返回提示。
+3、确认提交的 name，code 两个参数，必须有一个不能为空，如果都为空，则返回提示。
+4、如果 name 不为空，开启事务保存到 name 中。
+5、如果 code 不为空，开启事务保存到 code 中。
+6、如果 name，code 都不为空，开启事务保存到 name，code 中。
+---
+分析这个项目，在 read.go 中完成以下需求：
+
+1、接收 country_id，name，code，page，page_size 参数。
+2、确认提交的 country_id，name，code 必须有一个不能为空，如果都为空，则返回提示。
+3、确认提交的 page，page_size, 如果为空，则 page 默认为 1，page_size 默认为20。
+3、根据参数去 country_info_view 中查找数据，并做分页查询。
+4、将查找的数据分页返回。
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_variety，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+variety_id UUID NOT NULL,
+variety_name VARCHAR NOT NULL,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_direction，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+direction VARCHAR NOT NULL,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_open_price，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+open_price NUMERIC(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_open_fee，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+open_fee NUMERIC(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_close_date，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+trade_id UUID NOT NULL,
+year INT NOT NULL DEFAULT 0,
+month INT NOT NULL DEFAULT 0,
+day INT NOT NULL DEFAULT 0,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_close_price，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+close_price NUMERIC(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，完善trade_info_view视图逻辑，加入close_date和close_price信息。
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_close_fee，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+close_fee NUMERIC(10,2) NOT NULL CHECK (close_fee >= 0.00) DEFAULT 0.00,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，完善trade_info_view视图逻辑，加入trade_close_fee信息。
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_profit，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+variety_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+variety_tick_price NUMERIC(12,6) NOT NULL CHECK (variety_tick_price >= 0.00) DEFAULT 0.00,
+win_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+win_tick_price NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+fee_cost NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+trade_win NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---
+读取./sql/08_trade.sql，完善trade_info_view视图逻辑，加入trade_profit信息。
+---
+1、看一下./sql/07_variety.sql的内容，并记住这些内容。
+2、打开./src/logic4variety/create.go，并维持风格不变的前提下，将业务调整为1中的信息。
+---
+1、看一下./sql/07_variety.sql的内容，并记住这些内容。
+2、打开./src/logic4variety/delete.go，并维持风格不变的前提下，将业务调整为1中的信息。
+---
+1、看一下和了解./sql/07_variety.sql的内容， 然后帮忙再视图中加入exchange_name的信息。
+---
+1、看一下./sql/07_variety.sql的内容，并记住这些内容。
+2、打开./src/logic4variety/read.go，并维持风格不变的前提下，将业务调整为1中的信息。
+---
+1、看一下./sql/07_variety.sql的内容，并记住这些内容。
+2、打开./src/logic4variety/update.go，并维持风格不变的前提下，将业务调整为1中的信息。
+---

backend/sql/02_create_function.sql

@@ -0,0 +1,20 @@
+CREATE OR REPLACE FUNCTION update_data_modified_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql VOLATILE;
+
+-- 创建自动格式化小数的函数（按需去除尾部多余0）
+CREATE OR REPLACE FUNCTION format_numeric_to_original(n NUMERIC)
+RETURNS TEXT AS $$
+BEGIN
+    -- 逻辑：如果是整数（小数部分全0），返回整数文本；否则返回去除尾部0的文本
+    IF n = TRUNC(n) THEN
+        RETURN TRUNC(n)::TEXT;  -- 整数场景：1.000000 → '1'
+    ELSE
+        RETURN TRIM(TRAILING '0' FROM TRIM(TRAILING '.' FROM n::TEXT));  -- 小数场景：1.230000 → '1.23'，1.002000 → '1.002'
+    END IF;
+END;
+$$ LANGUAGE plpgsql IMMUTABLE;  -- IMMUTABLE：相同输入返回相同输出，支持索引

backend/sql/03_user.sql

@@ -0,0 +1,116 @@
+-- =========================================================
+-- user.sql 👤
+-- 无物化视图 | 超可视提示 | 可重复执行
+-- PostgreSQL 17.4+ 👍
+-- =========================================================
+
+-- 1️⃣ 开始 🚀
+DO $$
+BEGIN
+    RAISE NOTICE '🚀============ user 部署开始 ============🚀';
+END $$;
+
+-- 2️⃣ 连接目标库
+\c postgres;
+
+-- 3️⃣ 表结构 -----------------------------------
+DO $$
+BEGIN
+    -- user 主表（关键字，双引号包裹）
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user') THEN
+        CREATE TABLE "user" (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_user_updated_at
+            BEFORE UPDATE ON "user"
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '1️⃣✅ user 主表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣⏩ user 主表已存在，跳过';
+    END IF;
+
+    -- user_account
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user_account') THEN
+        CREATE TABLE user_account (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            user_id UUID NOT NULL,
+            account VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_user_account_updated_at
+            BEFORE UPDATE ON user_account
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '2️⃣✅ user_account 子表已创建';
+    ELSE
+        RAISE NOTICE '2️⃣⏩ user_account 子表已存在，跳过';
+    END IF;
+
+    -- user_password
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user_password') THEN
+        CREATE TABLE user_password (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            user_id UUID NOT NULL,
+            password VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_user_password_updated_at
+            BEFORE UPDATE ON user_password
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '3️⃣✅ user_password 子表已创建';
+    ELSE
+        RAISE NOTICE '3️⃣⏩ user_password 子表已存在，跳过';
+    END IF;
+END $$;
+
+-- 4️⃣ 视图 ------------------------------------
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'user_info_view'
+    ) INTO view_exists;
+
+    IF view_exists THEN
+        DROP VIEW user_info_view;
+        RAISE NOTICE '4️⃣♻️ 已删除旧视图 user_info_view';
+    END IF;
+
+    CREATE OR REPLACE VIEW user_info_view AS
+    SELECT
+        u.id AS user_id,
+        ua.account,
+        up.password
+    FROM "user" u
+    JOIN user_account ua ON u.id = ua.user_id AND ua.deleted = FALSE
+    JOIN user_password up ON u.id = up.user_id AND up.deleted = FALSE
+    WHERE u.deleted = FALSE;
+
+    RAISE NOTICE '4️⃣✅ user_info_view 已创建/更新';
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '4️⃣❌ 处理视图时发生错误: %', SQLERRM;
+END $$;
+
+-- 5️⃣ 性能索引 ------------------------------------------------
+CREATE INDEX IF NOT EXISTS idx_user_account_user_id_deleted ON user_account(user_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_user_password_user_id_deleted ON user_password(user_id, deleted);
+
+DO $$
+BEGIN
+    RAISE NOTICE '5️⃣✅ 全部索引已确保存在';
+END $$;
+
+-- 6️⃣ 完成 🎉
+DO $$
+BEGIN
+    RAISE NOTICE '🎉============ user 部署完成 ============🎉';
+END $$;

backend/sql/04_country.sql

@@ -0,0 +1,137 @@
+-- =========================================================
+-- country.sql 🌍
+-- 无物化视图 | 超可视提示 | 可重复执行
+-- PostgreSQL 17.4+ 👍
+-- =========================================================
+
+-- 1️⃣ 开始 🚀
+DO $$
+BEGIN
+    RAISE NOTICE '🚀============ country 部署开始 ============🚀';
+END $$;
+
+-- 2️⃣ 连接目标库
+\c postgres;
+
+-- 3️⃣ 表结构 -----------------------------------
+DO $$
+BEGIN
+    -- country 主表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country') THEN
+        CREATE TABLE country (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_country_updated_at
+            BEFORE UPDATE ON country
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '1️⃣✅ country 主表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣⏩ country 主表已存在，跳过';
+    END IF;
+
+    -- country_name
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country_name') THEN
+        CREATE TABLE country_name (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            country_id UUID NOT NULL,
+            name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_country_name_updated_at
+            BEFORE UPDATE ON country_name
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '2️⃣✅ country_name 子表已创建';
+    ELSE
+        RAISE NOTICE '2️⃣⏩ country_name 子表已存在，跳过';
+    END IF;
+
+    -- country_code
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country_code') THEN
+        CREATE TABLE country_code (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            country_id UUID NOT NULL,
+            code VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_country_code_updated_at
+            BEFORE UPDATE ON country_code
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '3️⃣✅ country_code 子表已创建';
+    ELSE
+        RAISE NOTICE '3️⃣⏩ country_code 子表已存在，跳过';
+    END IF;
+
+    -- country_flag
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country_flag') THEN
+        CREATE TABLE country_flag (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            country_id UUID NOT NULL,
+            flag VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_country_flag_updated_at
+            BEFORE UPDATE ON country_flag
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '4️⃣✅ country_flag 子表已创建';
+    ELSE
+        RAISE NOTICE '4️⃣⏩ country_flag 子表已存在，跳过';
+    END IF;
+END $$;
+
+-- 4️⃣ 视图 ------------------------------------
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'country_info_view'
+    ) INTO view_exists;
+
+    IF view_exists THEN
+        DROP VIEW country_info_view;
+        RAISE NOTICE '4️⃣♻️ 已删除旧视图 country_info_view';
+    END IF;
+
+    CREATE OR REPLACE VIEW country_info_view AS
+    SELECT
+        u.id AS country_id,
+        n.name,
+        c.code,
+        f.flag
+    FROM country u
+    LEFT JOIN country_name n ON u.id = n.country_id AND n.deleted = FALSE
+    LEFT JOIN country_code c ON u.id = c.country_id AND c.deleted = FALSE
+    LEFT JOIN country_flag f ON u.id = f.country_id AND f.deleted = FALSE
+    WHERE u.deleted = FALSE;
+
+    RAISE NOTICE '4️⃣✅ country_info_view 已创建/更新';
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '4️⃣❌ 处理视图时发生错误: %', SQLERRM;
+END $$;
+
+-- 5️⃣ 性能索引 ------------------------------------------------
+CREATE INDEX IF NOT EXISTS idx_country_name_country_id_deleted     ON country_name(country_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_country_code_country_id_deleted     ON country_code(country_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_country_flag_country_id_deleted     ON country_flag(country_id, deleted);
+
+DO $$
+BEGIN
+    RAISE NOTICE '5️⃣✅ 全部索引已确保存在';
+END $$;
+
+-- 6️⃣ 完成 🎉
+DO $$
+BEGIN
+    RAISE NOTICE '🎉============ country 部署完成 ============🎉';
+END $$;

backend/sql/05_exchange.sql

@@ -0,0 +1,138 @@
+-- =========================================================
+-- exchange.sql 🏛️
+-- 无物化视图 | 超可视提示 | 可重复执行
+-- PostgreSQL 17.4+ 👍
+-- =========================================================
+
+-- 1️⃣ 开始 🚀
+DO $$
+BEGIN
+    RAISE NOTICE '🚀============ exchange 部署开始 ============🚀';
+END $$;
+
+-- 2️⃣ 连接目标库
+\c postgres;
+
+-- 3️⃣ 表结构 -----------------------------------
+DO $$
+BEGIN
+    -- exchange 主表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'exchange') THEN
+        CREATE TABLE exchange (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_exchange_updated_at
+            BEFORE UPDATE ON exchange
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '1️⃣✅ exchange 主表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣⏩ exchange 主表已存在，跳过';
+    END IF;
+
+    -- exchange_name
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'exchange_name') THEN
+        CREATE TABLE exchange_name (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            exchange_id UUID NOT NULL,
+            name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_exchange_name_updated_at
+            BEFORE UPDATE ON exchange_name
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '2️⃣✅ exchange_name 子表已创建';
+    ELSE
+        RAISE NOTICE '2️⃣⏩ exchange_name 子表已存在，跳过';
+    END IF;
+
+    -- exchange_short_name
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'exchange_short_name') THEN
+        CREATE TABLE exchange_short_name (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            exchange_id UUID NOT NULL,
+            short_name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_exchange_short_name_updated_at
+            BEFORE UPDATE ON exchange_short_name
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '3️⃣✅ exchange_short_name 子表已创建';
+    ELSE
+        RAISE NOTICE '3️⃣⏩ exchange_short_name 子表已存在，跳过';
+    END IF;
+
+    -- exchange_code
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'exchange_code') THEN
+        CREATE TABLE exchange_code (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            exchange_id UUID NOT NULL,
+            code VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_exchange_code_updated_at
+            BEFORE UPDATE ON exchange_code
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '4️⃣✅ exchange_code 子表已创建';
+    ELSE
+        RAISE NOTICE '4️⃣⏩ exchange_code 子表已存在，跳过';
+    END IF;
+END $$;
+
+-- 4️⃣ 视图 ------------------------------------
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'exchange_info_view'
+    ) INTO view_exists;
+
+    IF view_exists THEN
+        DROP VIEW exchange_info_view;
+        RAISE NOTICE '4️⃣♻️ 已删除旧视图 exchange_info_view';
+    END IF;
+
+    CREATE OR REPLACE VIEW exchange_info_view AS
+    SELECT
+        u.id AS exchange_id,
+        n.name,
+        sn.short_name,
+        c.code,
+        u.deleted
+    FROM exchange u
+    JOIN exchange_name n ON u.id = n.exchange_id AND n.deleted = FALSE
+    JOIN exchange_short_name sn ON u.id = sn.exchange_id AND sn.deleted = FALSE
+    JOIN exchange_code c ON u.id = c.exchange_id AND c.deleted = FALSE
+    WHERE u.deleted = FALSE;
+
+    RAISE NOTICE '4️⃣✅ exchange_info_view 已创建/更新';
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '4️⃣❌ 处理视图时发生错误: %', SQLERRM;
+END $$;
+
+-- 5️⃣ 性能索引 ------------------------------------------------
+CREATE INDEX IF NOT EXISTS idx_exchange_name_exchange_id_deleted     ON exchange_name(exchange_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_exchange_short_name_exchange_id_deleted ON exchange_short_name(exchange_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_exchange_code_exchange_id_deleted     ON exchange_code(exchange_id, deleted);
+
+DO $$
+BEGIN
+    RAISE NOTICE '5️⃣✅ 全部索引已确保存在';
+END $$;
+
+-- 6️⃣ 完成 🎉
+DO $$
+BEGIN
+    RAISE NOTICE '🎉============ exchange 部署完成 ============🎉';
+END $$;

backend/sql/06_currency.sql

@@ -0,0 +1,117 @@
+-- =========================================================
+-- currency.sql 💰
+-- 无物化视图 | 超可视提示 | 可重复执行
+-- PostgreSQL 17.4+ 👍
+-- =========================================================
+
+-- 1️⃣ 开始 🚀
+DO $$
+BEGIN
+    RAISE NOTICE '🚀============ currency 部署开始 ============🚀';
+END $$;
+
+-- 2️⃣ 连接目标库
+\c postgres;
+
+-- 3️⃣ 表结构 -----------------------------------
+DO $$
+BEGIN
+    -- currency 主表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'currency') THEN
+        CREATE TABLE currency (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_currency_updated_at
+            BEFORE UPDATE ON currency
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '1️⃣✅ currency 主表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣⏩ currency 主表已存在，跳过';
+    END IF;
+
+    -- currency_name
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'currency_name') THEN
+        CREATE TABLE currency_name (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            currency_id UUID NOT NULL,
+            name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_currency_name_updated_at
+            BEFORE UPDATE ON currency_name
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '2️⃣✅ currency_name 子表已创建';
+    ELSE
+        RAISE NOTICE '2️⃣⏩ currency_name 子表已存在，跳过';
+    END IF;
+
+    -- currency_code
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'currency_code') THEN
+        CREATE TABLE currency_code (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            currency_id UUID NOT NULL,
+            code VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_currency_code_updated_at
+            BEFORE UPDATE ON currency_code
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '3️⃣✅ currency_code 子表已创建';
+    ELSE
+        RAISE NOTICE '3️⃣⏩ currency_code 子表已存在，跳过';
+    END IF;
+END $$;
+
+-- 4️⃣ 视图 ------------------------------------
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'currency_info_view'
+    ) INTO view_exists;
+
+    IF view_exists THEN
+        DROP VIEW currency_info_view;
+        RAISE NOTICE '4️⃣♻️ 已删除旧视图 currency_info_view';
+    END IF;
+
+    CREATE OR REPLACE VIEW currency_info_view AS
+    SELECT
+        u.id AS currency_id,
+        n.name,
+        c.code,
+        u.deleted
+    FROM currency u
+    JOIN currency_name n ON u.id = n.currency_id AND n.deleted = FALSE
+    JOIN currency_code c ON u.id = c.currency_id AND c.deleted = FALSE
+    WHERE u.deleted = FALSE;
+
+    RAISE NOTICE '4️⃣✅ currency_info_view 已创建/更新';
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '4️⃣❌ 处理视图时发生错误: %', SQLERRM;
+END $$;
+
+-- 5️⃣ 性能索引 ------------------------------------------------
+CREATE INDEX IF NOT EXISTS idx_currency_name_currency_id_deleted ON currency_name(currency_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_currency_code_currency_id_deleted ON currency_code(currency_id, deleted);
+
+DO $$
+BEGIN
+    RAISE NOTICE '5️⃣✅ 全部索引已确保存在';
+END $$;
+
+-- 6️⃣ 完成 🎉
+DO $$
+BEGIN
+    RAISE NOTICE '🎉============ currency 部署完成 ============🎉';
+END $$;

backend/sql/07_variety.sql

@@ -0,0 +1,165 @@
+-- =========================================================
+-- variety.sql 🎉
+-- 无物化视图 | 超可视提示 | 可重复执行
+-- PostgreSQL 17.4+ 👍
+-- =========================================================
+
+-- 1️⃣ 开始 🚀
+DO $$
+BEGIN
+    RAISE NOTICE '🚀============ variety 部署开始 ============🚀';
+END $$;
+
+-- 2️⃣ 连接目标库
+\c postgres;
+
+-- 3️⃣ 表结构 -----------------------------------
+DO $$
+BEGIN
+    -- variety 主表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety') THEN
+        CREATE TABLE variety (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        RAISE NOTICE '1️⃣✅ variety 主表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣⏩ variety 主表已存在，跳过';
+    END IF;
+
+    -- variety_exchange
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_exchange') THEN
+        CREATE TABLE variety_exchange (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            variety_id UUID NOT NULL,
+            exchange_id VARCHAR(50) NOT NULL,
+            exchange_name VARCHAR(50) NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_variety_exchange_updated_at
+            BEFORE UPDATE ON variety_exchange
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '2️⃣✅ variety_exchange 子表已创建';
+    ELSE
+        RAISE NOTICE '2️⃣⏩ variety_exchange 子表已存在，跳过';
+    END IF;
+
+    -- variety_name
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_name') THEN
+        CREATE TABLE variety_name (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            variety_id UUID NOT NULL,
+            name VARCHAR(50) NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_variety_name_updated_at
+            BEFORE UPDATE ON variety_name
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '3️⃣✅ variety_name 子表已创建';
+    ELSE
+        RAISE NOTICE '3️⃣⏩ variety_name 子表已存在，跳过';
+    END IF;
+
+    -- variety_code
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_code') THEN
+        CREATE TABLE variety_code (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            variety_id UUID NOT NULL,
+            code VARCHAR(50) NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_variety_code_updated_at
+            BEFORE UPDATE ON variety_code
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '4️⃣✅ variety_code 子表已创建';
+    ELSE
+        RAISE NOTICE '4️⃣⏩ variety_code 子表已存在，跳过';
+    END IF;
+
+    -- variety_tick
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_tick') THEN
+        CREATE TABLE variety_tick (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            variety_id UUID NOT NULL,
+            tick NUMERIC(12,6),
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_variety_tick_updated_at
+            BEFORE UPDATE ON variety_tick
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '5️⃣✅ variety_tick 子表已创建';
+    ELSE
+        RAISE NOTICE '5️⃣⏩ variety_tick 子表已存在，跳过';
+    END IF;
+
+    -- variety_tick_price
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'variety_tick_price') THEN
+        CREATE TABLE variety_tick_price (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            variety_id UUID NOT NULL,
+            price NUMERIC(12,6),
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_variety_tick_price_updated_at
+            BEFORE UPDATE ON variety_tick_price
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '6️⃣✅ variety_tick_price 子表已创建';
+    ELSE
+        RAISE NOTICE '6️⃣⏩ variety_tick_price 子表已存在，跳过';
+    END IF;
+END $$;
+
+-- 4️⃣ 视图 ------------------------------------
+DROP VIEW IF EXISTS variety_info_view;
+CREATE OR REPLACE VIEW variety_info_view AS
+SELECT
+    v.id AS variety_id,
+    vn.name,
+    vc.code,
+    ve.exchange_name,
+    format_numeric_to_original(vt.tick) AS tick,
+    format_numeric_to_original(vtp.price) AS tick_price,
+    vt.tick AS tick_original,
+    vtp.price AS tick_price_original
+FROM variety v
+LEFT JOIN variety_name vn ON v.id = vn.variety_id AND vn.deleted = FALSE
+LEFT JOIN variety_code vc ON v.id = vc.variety_id AND vc.deleted = FALSE
+LEFT JOIN variety_exchange ve ON v.id = ve.variety_id AND ve.deleted = FALSE
+LEFT JOIN variety_tick vt ON v.id = vt.variety_id AND vt.deleted = FALSE
+LEFT JOIN variety_tick_price vtp ON v.id = vtp.variety_id AND vtp.deleted = FALSE
+WHERE v.deleted = FALSE;
+
+DO $$
+BEGIN
+    RAISE NOTICE '7️⃣✅ variety_info_view 已创建/更新';
+END $$;
+
+-- 5️⃣ 性能索引 ------------------------------------------------
+CREATE INDEX IF NOT EXISTS idx_variety_exchange_variety_id_deleted ON variety_exchange(variety_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_variety_name_variety_id_deleted     ON variety_name(variety_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_variety_code_variety_id_deleted     ON variety_code(variety_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_variety_tick_variety_id_deleted     ON variety_tick(variety_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_variety_tick_price_variety_id_deleted ON variety_tick_price(variety_id, deleted);
+
+DO $$
+BEGIN
+    RAISE NOTICE '8️⃣✅ 全部索引已确保存在';
+END $$;
+
+-- 6️⃣ 完成 🎉
+DO $$
+BEGIN
+    RAISE NOTICE '🎉============ variety 部署完成 ============🎉';
+END $$;

backend/sql/08_trade.sql

@@ -0,0 +1,286 @@
+-- =========================================================
+-- trade.sql 🎉
+-- 无物化视图 | 超可视提示 | 可重复执行
+-- PostgreSQL 17.4+ 👍
+-- =========================================================
+
+-- 1️⃣ 开始 🚀
+DO $$
+BEGIN
+    RAISE NOTICE '🚀============ trade 部署开始 ============🚀';
+END $$;
+
+-- 2️⃣ 连接目标库
+\c postgres;
+
+-- 3️⃣ 表结构 -----------------------------------
+DO $$
+BEGIN
+    -- trade 主表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade') THEN
+        CREATE TABLE trade (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        RAISE NOTICE '1️⃣✅ trade 主表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣⏩ trade 主表已存在，跳过';
+    END IF;
+
+    -- remark 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_remark') THEN
+        CREATE TABLE trade_remark (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            remark VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_remark_updated_at
+            BEFORE UPDATE ON trade_remark
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '2️⃣✅ trade_remark 子表已创建';
+    ELSE
+        RAISE NOTICE '2️⃣⏩ trade_remark 子表已存在，跳过';
+    END IF;
+
+    -- open_date 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_open_date') THEN
+        CREATE TABLE trade_open_date (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            year INT NOT NULL DEFAULT 0,
+            month INT NOT NULL DEFAULT 0,
+            day INT NOT NULL DEFAULT 0,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_open_date_updated_at
+            BEFORE UPDATE ON trade_open_date
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '3️⃣✅ trade_open_date 子表已创建';
+    ELSE
+        RAISE NOTICE '3️⃣⏩ trade_open_date 子表已存在，跳过';
+    END IF;
+
+    -- variety 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_variety') THEN
+        CREATE TABLE trade_variety (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            variety_id UUID NOT NULL,
+            variety_name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_variety_updated_at
+            BEFORE UPDATE ON trade_variety
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '4️⃣✅ trade_variety 子表已创建';
+    ELSE
+        RAISE NOTICE '4️⃣⏩ trade_variety 子表已存在，跳过';
+    END IF;
+
+    -- direction 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_direction') THEN
+        CREATE TABLE trade_direction (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            direction VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_direction_updated_at
+            BEFORE UPDATE ON trade_direction
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '5️⃣✅ trade_direction 子表已创建';
+    ELSE
+        RAISE NOTICE '5️⃣⏩ trade_direction 子表已存在，跳过';
+    END IF;
+
+    -- open_price 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_open_price') THEN
+        CREATE TABLE trade_open_price (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            open_price NUMERIC(10,6) NOT NULL CHECK (open_price >= 0.00) DEFAULT 0.00,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_open_price_updated_at
+            BEFORE UPDATE ON trade_open_price
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '6️⃣✅ trade_open_price 子表已创建';
+    ELSE
+        RAISE NOTICE '6️⃣⏩ trade_open_price 子表已存在，跳过';
+    END IF;
+
+    -- open_fee 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_open_fee') THEN
+        CREATE TABLE trade_open_fee (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            open_fee NUMERIC(10,6) NOT NULL CHECK (open_fee >= 0.00) DEFAULT 0.00,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_open_fee_updated_at
+            BEFORE UPDATE ON trade_open_fee
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '7️⃣✅ trade_open_fee 子表已创建';
+    ELSE
+        RAISE NOTICE '7️⃣⏩ trade_open_fee 子表已存在，跳过';
+    END IF;
+
+    -- close_date 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_close_date') THEN
+        CREATE TABLE trade_close_date (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            year INT NOT NULL DEFAULT 0,
+            month INT NOT NULL DEFAULT 0,
+            day INT NOT NULL DEFAULT 0,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_close_date_updated_at
+            BEFORE UPDATE ON trade_close_date
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '8️⃣✅ trade_close_date 子表已创建';
+    ELSE
+        RAISE NOTICE '8️⃣⏩ trade_close_date 子表已存在，跳过';
+    END IF;
+
+    -- close_price 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_close_price') THEN
+        CREATE TABLE trade_close_price (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            close_price NUMERIC(10,6) NOT NULL CHECK (close_price >= 0.00) DEFAULT 0.00,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_close_price_updated_at
+            BEFORE UPDATE ON trade_close_price
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '9️⃣✅ trade_close_price 子表已创建';
+    ELSE
+        RAISE NOTICE '9️⃣⏩ trade_close_price 子表已存在，跳过';
+    END IF;
+
+    -- close_fee 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_close_fee') THEN
+        CREATE TABLE trade_close_fee (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            close_fee NUMERIC(10,6) NOT NULL CHECK (close_fee >= 0.00) DEFAULT 0.00,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_close_fee_updated_at
+            BEFORE UPDATE ON trade_close_fee
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '🔟✅ trade_close_fee 子表已创建';
+    ELSE
+        RAISE NOTICE '🔟⏩ trade_close_fee 子表已存在，跳过';
+    END IF;
+
+    -- profit 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_profit') THEN
+        CREATE TABLE trade_profit (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL REFERENCES trade(id) ON DELETE CASCADE,
+            variety_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            variety_tick_price NUMERIC(12,6) NOT NULL CHECK (variety_tick_price >= 0.00) DEFAULT 0.00,
+            win_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            win_tick_price NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            fee_cost NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            trade_win NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_trade_profit_updated_at
+            BEFORE UPDATE ON trade_profit
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '1️⃣1️⃣✅ trade_profit 子表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣1️⃣⏩ trade_profit 子表已存在，跳过';
+    END IF;
+END $$;
+
+-- 4️⃣ 视图 ------------------------------------
+DROP VIEW IF EXISTS trade_info_view;
+CREATE OR REPLACE VIEW trade_info_view AS
+SELECT
+    t.id AS trade_id,
+    r.remark AS remark,
+    od.year AS open_year,
+    od.month AS open_month,
+    od.day AS open_day,
+    v.variety_name AS variety_name,
+    d.direction AS direction,
+    format_numeric_to_original(op.open_price) AS open_price,
+    format_numeric_to_original(of.open_fee) AS open_fee,
+    cd.year AS close_year,
+    cd.month AS close_month,
+    cd.day AS close_day,
+    format_numeric_to_original(cp.close_price) AS close_price,
+    format_numeric_to_original(cf.close_fee) AS close_fee,
+    p.variety_tick AS variety_tick,
+    p.variety_tick_price AS variety_tick_price,
+    p.win_tick AS win_tick,
+    p.win_tick_price AS win_tick_price,
+    format_numeric_to_original(p.fee_cost) AS fee_cost,
+    format_numeric_to_original(p.trade_win) AS trade_win
+FROM trade t
+LEFT JOIN trade_remark r ON t.id = r.trade_id AND r.deleted = FALSE
+LEFT JOIN trade_open_date od ON t.id = od.trade_id AND od.deleted = FALSE
+LEFT JOIN trade_variety v ON t.id = v.trade_id AND v.deleted = FALSE
+LEFT JOIN trade_direction d ON t.id = d.trade_id AND d.deleted = FALSE
+LEFT JOIN trade_open_price op ON t.id = op.trade_id AND op.deleted = FALSE
+LEFT JOIN trade_open_fee of ON t.id = of.trade_id AND of.deleted = FALSE
+LEFT JOIN trade_close_date cd ON t.id = cd.trade_id AND cd.deleted = FALSE
+LEFT JOIN trade_close_price cp ON t.id = cp.trade_id AND cp.deleted = FALSE
+LEFT JOIN trade_close_fee cf ON t.id = cf.trade_id AND cf.deleted = FALSE
+LEFT JOIN trade_profit p ON t.id = p.trade_id AND p.deleted = FALSE
+WHERE t.deleted = FALSE;
+
+DO $$
+BEGIN
+    RAISE NOTICE '4️⃣✅ trade_info_view 已创建/更新';
+END $$;
+
+-- 5️⃣ 性能索引 ------------------------------------------------
+CREATE INDEX IF NOT EXISTS idx_trade_remark_trade_id_deleted ON trade_remark(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_open_date_trade_id_deleted ON trade_open_date(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_variety_trade_id_deleted ON trade_variety(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_direction_trade_id_deleted ON trade_direction(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_open_price_trade_id_deleted ON trade_open_price(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_open_fee_trade_id_deleted ON trade_open_fee(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_close_date_trade_id_deleted ON trade_close_date(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_close_price_trade_id_deleted ON trade_close_price(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_close_fee_trade_id_deleted ON trade_close_fee(trade_id, deleted);
+CREATE INDEX IF NOT EXISTS idx_trade_profit_trade_id_deleted ON trade_profit(trade_id, deleted);
+
+DO $$
+BEGIN
+    RAISE NOTICE '5️⃣✅ 全部索引已确保存在';
+END $$;
+
+-- 6️⃣ 完成 🎉
+DO $$
+BEGIN
+    RAISE NOTICE '🎉============ trade 部署完成 ============🎉';
+END $$;

backend/src/go.mod

@@ -1,4 +1,4 @@
-module user
+module asset_assistant
 
 go 1.25.0
 

backend/src/logic4country/create.go

@@ -0,0 +1,303 @@
+package logic4country
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// CreateRequest 注册请求参数结构
+type CreateRequest struct {
+	Name string `json:"name" binding:"required"` // 国家名称，必填
+	Code string `json:"code" binding:"required"` // 国家代码，必填
+	Flag string `json:"flag"`                    // 国旗信息，可选
+}
+
+// CreateResponse 注册响应结构
+type CreateResponse struct {
+	Success bool       `json:"success"`
+	Message string     `json:"message"`
+	Data    CreateData `json:"data"`
+}
+
+// CreateData 响应数据结构
+type CreateData struct {
+	CountryID string `json:"country_id"`
+}
+
+// CreateHandler 处理创建逻辑
+func CreateHandler(c *gin.Context) {
+	startTime := time.Now()
+	reqID := c.Request.Header.Get("X-RegisterRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	zap.L().Info("📥 收到国家创建请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req CreateRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+			zap.Any("request_body", c.Request.Body),
+		)
+		c.JSON(http.StatusBadRequest, CreateResponse{
+			Success: false,
+			Message: "请求参数错误：name和code为必填项",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.String("flag", req.Flag),
+	)
+
+	// 开启数据库事务
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, CreateResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 唯一性校验 - 国家名称（排除已删除数据）
+	var nameCount int
+	err = tx.QueryRow(
+		"SELECT COUNT(*) FROM country_name WHERE name = $1 AND deleted = false",
+		req.Name,
+	).Scan(&nameCount)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 国家名称唯一性校验失败",
+			zap.String("req_id", reqID),
+			zap.String("name", req.Name),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "系统错误，校验名称失败",
+		})
+		return
+	}
+	if nameCount > 0 {
+		tx.Rollback()
+		zap.L().Warn("⚠️ 国家名称已存在（未删除数据）",
+			zap.String("req_id", reqID),
+			zap.String("name", req.Name),
+		)
+		c.JSON(http.StatusBadRequest, CreateResponse{
+			Success: false,
+			Message: "国家名称已存在，请更换名称",
+		})
+		return
+	}
+
+	// 唯一性校验 - 国家编码（排除已删除数据）
+	var codeCount int
+	err = tx.QueryRow(
+		"SELECT COUNT(*) FROM country_code WHERE code = $1 AND deleted = false",
+		req.Code,
+	).Scan(&codeCount)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 国家编码唯一性校验失败",
+			zap.String("req_id", reqID),
+			zap.String("code", req.Code),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "系统错误，校验编码失败",
+		})
+		return
+	}
+	if codeCount > 0 {
+		tx.Rollback()
+		zap.L().Warn("⚠️ 国家编码已存在（未删除数据）",
+			zap.String("req_id", reqID),
+			zap.String("code", req.Code),
+		)
+		c.JSON(http.StatusBadRequest, CreateResponse{
+			Success: false,
+			Message: "国家编码已存在，请更换编码",
+		})
+		return
+	}
+
+	// 唯一性校验 - 国旗（排除已删除数据，仅当提供了国旗参数时）
+	if req.Flag != "" {
+		var flagCount int
+		err = tx.QueryRow(
+			"SELECT COUNT(*) FROM country_flag WHERE flag = $1 AND deleted = false",
+			req.Flag,
+		).Scan(&flagCount)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ 国旗唯一性校验失败",
+				zap.String("req_id", reqID),
+				zap.String("flag", req.Flag),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, CreateResponse{
+				Success: false,
+				Message: "系统错误，校验国旗失败",
+			})
+			return
+		}
+		if flagCount > 0 {
+			tx.Rollback()
+			zap.L().Warn("⚠️ 国旗信息已存在（未删除数据）",
+				zap.String("req_id", reqID),
+				zap.String("flag", req.Flag),
+			)
+			c.JSON(http.StatusBadRequest, CreateResponse{
+				Success: false,
+				Message: "国旗信息已存在，请更换国旗",
+			})
+			return
+		}
+	}
+
+	// 1. 创建country主表记录
+	var countryID string
+	err = tx.QueryRow("INSERT INTO country DEFAULT VALUES RETURNING id").Scan(&countryID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ country表插入失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "创建国家记录失败",
+		})
+		return
+	}
+
+	zap.L().Debug("📝 country表插入成功",
+		zap.String("req_id", reqID),
+		zap.String("country_id", countryID),
+	)
+
+	// 2. 插入国家名称
+	_, err = tx.Exec("INSERT INTO country_name (country_id, name) VALUES ($1, $2)", countryID, req.Name)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ country_name表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("country_id", countryID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存名称信息失败",
+		})
+		return
+	}
+
+	// 3. 插入国家代码
+	_, err = tx.Exec("INSERT INTO country_code (country_id, code) VALUES ($1, $2)", countryID, req.Code)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ country_code表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("country_id", countryID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存代码信息失败",
+		})
+		return
+	}
+
+	// 4. 插入国旗信息（如果提供）
+	if req.Flag != "" {
+		_, err = tx.Exec("INSERT INTO country_flag (country_id, flag) VALUES ($1, $2)", countryID, req.Flag)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ country_flag表插入失败",
+				zap.String("req_id", reqID),
+				zap.String("country_id", countryID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, CreateResponse{
+				Success: false,
+				Message: "保存国旗信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 country_flag表插入成功",
+			zap.String("req_id", reqID),
+			zap.String("country_id", countryID),
+		)
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("country_id", countryID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 国家创建请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("country_id", countryID),
+		zap.Duration("duration", duration),
+	)
+
+	c.JSON(http.StatusOK, CreateResponse{
+		Success: true,
+		Message: "创建成功",
+		Data: CreateData{
+			CountryID: countryID,
+		},
+	})
+}

backend/src/logic4country/delete.go

@@ -1,11 +1,12 @@
-package logic
+package logic4country
 
 import (
+	"asset_assistant/db"
 	"net/http"
-	"country/db"
 	"time"
-	"github.com/google/uuid"
+
 	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
 	"go.uber.org/zap"
 )
 
@@ -20,7 +21,7 @@ type DeleteResponse struct {
 	Message string `json:"message"` // 提示信息
 }
 
-// DeleteHandler 处理国家删除逻辑（软删除）
+// DeleteHandler 处理删除逻辑（软删除）
 func DeleteHandler(c *gin.Context) {
 	startTime := time.Now()
 	reqID := c.Request.Header.Get("X-DeleteRequest-ID")
@@ -105,10 +106,10 @@ func DeleteHandler(c *gin.Context) {
 	}
 
 	// 3.2 更新name表
-	_, err = tx.Exec("UPDATE name SET deleted = TRUE WHERE country_id = $1", req.CountryID)
+	_, err = tx.Exec("UPDATE country_name SET deleted = TRUE WHERE country_id = $1", req.CountryID)
 	if err != nil {
 		tx.Rollback()
-		zap.L().Error("❌ name表更新失败",
+		zap.L().Error("❌ country_name表更新失败",
 			zap.String("req_id", reqID),
 			zap.String("country_id", req.CountryID),
 			zap.Error(err),
@@ -121,10 +122,10 @@ func DeleteHandler(c *gin.Context) {
 	}
 
 	// 3.3 更新code表
-	_, err = tx.Exec("UPDATE code SET deleted = TRUE WHERE country_id = $1", req.CountryID)
+	_, err = tx.Exec("UPDATE country_code SET deleted = TRUE WHERE country_id = $1", req.CountryID)
 	if err != nil {
 		tx.Rollback()
-		zap.L().Error("❌ code表更新失败",
+		zap.L().Error("❌ country_code表更新失败",
 			zap.String("req_id", reqID),
 			zap.String("country_id", req.CountryID),
 			zap.Error(err),
@@ -136,6 +137,26 @@ func DeleteHandler(c *gin.Context) {
 		return
 	}
 
+	// 新增：3.4 更新flag表（软删除国旗信息）
+	_, err = tx.Exec("UPDATE country_flag SET deleted = TRUE WHERE country_id = $1", req.CountryID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ country_flag表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("country_id", req.CountryID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除国旗信息失败",
+		})
+		return
+	}
+	zap.L().Debug("📝 flag表软删除成功",
+		zap.String("req_id", reqID),
+		zap.String("country_id", req.CountryID),
+	)
+
 	// 提交事务
 	if err := tx.Commit(); err != nil {
 		tx.Rollback()

backend/src/logic4country/read.go

@@ -1,13 +1,14 @@
-package logic
+package logic4country
 
 import (
-	"country/db"
+	"asset_assistant/db"
 	"net/http"
 	"strconv"
-	"time"
 	"strings"
+	"time"
 
 	"fmt"
+
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
 	"go.uber.org/zap"
@@ -18,6 +19,7 @@ type ReadRequest struct {
 	CountryID string `form:"country_id"` // 国家ID，可选
 	Name      string `form:"name"`       // 国家名称，可选
 	Code      string `form:"code"`       // 国家代码，可选
+	Flag      string `form:"flag"`       // 国旗信息，新增可选参数
 	Page      string `form:"page"`       // 页码，可选
 	PageSize  string `form:"page_size"`  // 每页条数，可选
 }
@@ -30,11 +32,12 @@ type ReadData struct {
 	Items    []CountryInfoViewItem `json:"items"`     // 数据列表
 }
 
-// CountryInfoViewItem 视图数据项结构
+// CountryInfoViewItem 视图数据项结构，新增国旗字段
 type CountryInfoViewItem struct {
 	CountryID string `json:"country_id"` // 国家ID
 	Name      string `json:"name"`       // 国家名称
 	Code      string `json:"code"`       // 国家代码
+	Flag      string `json:"flag"`       // 国旗信息，新增字段
 }
 
 // ReadResponse 读取响应结构
@@ -44,7 +47,7 @@ type ReadResponse struct {
 	Data    ReadData `json:"data"`    // 响应数据
 }
 
-// ReadHandler 处理国家信息查询逻辑
+// ReadHandler 处理查询逻辑
 func ReadHandler(c *gin.Context) {
 	startTime := time.Now()
 	// 获取或生成请求ID
@@ -75,19 +78,6 @@ func ReadHandler(c *gin.Context) {
 		return
 	}
 
-	// 验证查询条件至少有一个不为空
-	if req.CountryID == "" && req.Name == "" && req.Code == "" {
-		zap.L().Warn("⚠️ 请求参数验证失败",
-			zap.String("req_id", reqID),
-			zap.String("reason", "country_id、name、code不能同时为空"),
-		)
-		c.JSON(http.StatusBadRequest, ReadResponse{
-			Success: false,
-			Message: "请求参数错误：country_id、name、code不能同时为空",
-		})
-		return
-	}
-
 	// 处理分页参数默认值
 	page, err := strconv.Atoi(req.Page)
 	if err != nil || page < 1 {
@@ -103,6 +93,7 @@ func ReadHandler(c *gin.Context) {
 		zap.String("country_id", req.CountryID),
 		zap.String("name", req.Name),
 		zap.String("code", req.Code),
+		zap.String("flag", req.Flag), // 新增国旗查询参数日志
 		zap.Int("page", page),
 		zap.Int("page_size", pageSize),
 	)
@@ -127,9 +118,15 @@ func ReadHandler(c *gin.Context) {
 		args = append(args, "%"+req.Code+"%")
 		paramIndex++
 	}
+	// 新增国旗查询条件
+	if req.Flag != "" {
+		whereClauses = append(whereClauses, "flag LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.Flag+"%")
+		paramIndex++
+	}
 
-	// 构建基础SQL
+	// 构建基础SQL，新增flag字段查询
-	baseSQL := "SELECT country_id, name, code FROM country_info_view"
+	baseSQL := "SELECT country_id, name, code, flag FROM country_info_view"
 	countSQL := "SELECT COUNT(*) FROM country_info_view"
 	if len(whereClauses) > 0 {
 		whereStr := " WHERE " + strings.Join(whereClauses, " AND ")
@@ -140,11 +137,11 @@ func ReadHandler(c *gin.Context) {
 	// 计算分页偏移量
 	offset := (page - 1) * pageSize
 
-	// 拼接分页SQL（使用fmt.Sprintf更清晰）
+	// 拼接分页SQL
 	querySQL := fmt.Sprintf("%s ORDER BY country_id LIMIT $%d OFFSET $%d", baseSQL, paramIndex, paramIndex+1)
 	args = append(args, pageSize, offset)
 
-	// 查询总条数（修正参数传递方式）
+	// 查询总条数
 	var total int64
 	countArgs := args[:len(args)-2] // 排除分页参数
 	err = db.DB.QueryRow(countSQL, countArgs...).Scan(&total)
@@ -175,11 +172,11 @@ func ReadHandler(c *gin.Context) {
 	}
 	defer rows.Close()
 
-	// 处理查询结果
+	// 处理查询结果，新增flag字段扫描
 	var items []CountryInfoViewItem
 	for rows.Next() {
 		var item CountryInfoViewItem
-		if err := rows.Scan(&item.CountryID, &item.Name, &item.Code); err != nil {
+		if err := rows.Scan(&item.CountryID, &item.Name, &item.Code, &item.Flag); err != nil {
 			zap.L().Error("❌ 解析查询结果失败",
 				zap.String("req_id", reqID),
 				zap.Error(err),

backend/src/logic4country/update.go

@@ -0,0 +1,232 @@
+package logic4country
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// UpdateRequest 更新请求参数结构
+type UpdateRequest struct {
+	CountryID string `json:"country_id" binding:"required"` // 国家ID，必填
+	Name      string `json:"name"`                          // 国家名称，可选
+	Code      string `json:"code"`                          // 国家代码，可选
+	Flag      string `json:"flag"`                          // 国旗信息，可选（新增字段）
+}
+
+// UpdateResponse 更新响应结构
+type UpdateResponse struct {
+	Success bool   `json:"success"` // 操作是否成功
+	Message string `json:"message"` // 提示信息
+}
+
+// UpdateHandler 更新逻辑
+func UpdateHandler(c *gin.Context) {
+	startTime := time.Now()
+	// 获取或生成请求ID
+	reqID := c.Request.Header.Get("X-UpdateRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	// 记录请求接收日志
+	zap.L().Info("📥 收到国家更新请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req UpdateRequest
+	// 绑定并验证请求参数（主要验证country_id必填）
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, UpdateResponse{
+			Success: false,
+			Message: "请求参数错误：country_id为必填项",
+		})
+		return
+	}
+
+	// 验证name、code和flag不能同时为空
+	if req.Name == "" && req.Code == "" && req.Flag == "" {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.String("country_id", req.CountryID),
+			zap.String("reason", "name、code和flag不能同时为空"),
+		)
+		c.JSON(http.StatusBadRequest, UpdateResponse{
+			Success: false,
+			Message: "请求参数错误：name、code和flag不能同时为空",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("country_id", req.CountryID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.String("flag", req.Flag), // 新增国旗参数日志
+	)
+
+	// 开启数据库事务
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, UpdateResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	// 延迟处理panic情况
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 如果name不为空，更新name表
+	if req.Name != "" {
+		_, err = tx.Exec("UPDATE country_name SET name = $1, updated_at = CURRENT_TIMESTAMP WHERE country_id = $2", req.Name, req.CountryID)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ country_name表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("country_id", req.CountryID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新名称信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 name表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("country_id", req.CountryID),
+		)
+	}
+
+	// 如果code不为空，更新code表
+	if req.Code != "" {
+		_, err = tx.Exec("UPDATE country_code SET code = $1, updated_at = CURRENT_TIMESTAMP WHERE country_id = $2", req.Code, req.CountryID)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ country_code表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("country_id", req.CountryID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新代码信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 code表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("country_id", req.CountryID),
+		)
+	}
+
+	// 新增：如果flag不为空，更新flag表
+	if req.Flag != "" {
+		// 先检查是否存在国旗记录
+		var flagExists bool
+		err = tx.QueryRow("SELECT EXISTS(SELECT 1 FROM country_flag WHERE country_id = $1 AND deleted = FALSE)", req.CountryID).Scan(&flagExists)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ 检查国旗记录存在性失败",
+				zap.String("req_id", reqID),
+				zap.String("country_id", req.CountryID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "检查国旗信息失败",
+			})
+			return
+		}
+
+		if flagExists {
+			// 存在则更新
+			_, err = tx.Exec("UPDATE country_flag SET flag = $1, updated_at = CURRENT_TIMESTAMP WHERE country_id = $2", req.Flag, req.CountryID)
+		} else {
+			// 不存在则插入新记录
+			_, err = tx.Exec("INSERT INTO country_flag (country_id, flag) VALUES ($1, $2)", req.CountryID, req.Flag)
+		}
+
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ country_flag表更新/插入失败",
+				zap.String("req_id", reqID),
+				zap.String("country_id", req.CountryID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新国旗信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 flag表更新/插入成功",
+			zap.String("req_id", reqID),
+			zap.String("country_id", req.CountryID),
+		)
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("country_id", req.CountryID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, UpdateResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 国家更新请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("country_id", req.CountryID),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, UpdateResponse{
+		Success: true,
+		Message: "更新成功",
+	})
+}

backend/src/logic4currency/create.go

@@ -1,19 +1,20 @@
-package logic
+package logic4currency
 
 import (
+	"asset_assistant/db" // 数据库操作相关包
 	"net/http"
-	"country/db"       // 数据库操作相关包
 	"time" // 时间处理包
-	"github.com/google/uuid" // UUID生成工具
+
 	"github.com/gin-gonic/gin" // Gin框架，用于处理HTTP请求
+	"github.com/google/uuid"   // UUID生成工具
 	"go.uber.org/zap"          // 日志库
 )
 
 // CreateRequest 注册请求参数结构
 // 用于接收客户端发送的JSON数据，绑定并验证必填字段
 type CreateRequest struct {
-	Name string `json:"name" binding:"required"` // 国家名称，必填
+	Name string `json:"name" binding:"required"` // 货币名称，必填
-	Code string `json:"code" binding:"required"` // 国家代码，必填
+	Code string `json:"code" binding:"required"` // 货币代码，必填
 }
 
 // CreateResponse 注册响应结构
@@ -25,13 +26,12 @@ type CreateResponse struct {
 }
 
 // CreateData 响应数据结构
-// 包含创建成功后的国家ID
+// 包含创建成功后的货币ID
 type CreateData struct {
-	CountryID string `json:"country_id"` // 国家唯一标识ID
+	CurrencyID string `json:"currency_id"` // 货币唯一标识ID
 }
 
-// CreateHandler 处理国家创建逻辑
+// CreateHandler 处理创建逻辑
-// 接收HTTP请求，完成参数验证、数据库事务处理并返回响应
 func CreateHandler(c *gin.Context) {
 	startTime := time.Now() // 记录请求开始时间，用于统计耗时
 	// 获取或生成请求ID，用于追踪整个请求链路
@@ -42,7 +42,7 @@ func CreateHandler(c *gin.Context) {
 	}
 
 	// 记录请求接收日志，包含关键追踪信息
-	zap.L().Info("📥 收到国家创建请求",
+	zap.L().Info("📥 收到货币创建请求",
 		zap.String("req_id", reqID),
 		zap.String("path", c.Request.URL.Path),
 		zap.String("method", c.Request.Method),
@@ -106,34 +106,34 @@ func CreateHandler(c *gin.Context) {
 		}
 	}()
 
-	// 1. 在country表中创建记录并获取自动生成的ID
+	// 1. 在currency表中创建记录并获取自动生成的ID
-	var countryID string
+	var currencyID string
-	err = tx.QueryRow("INSERT INTO country DEFAULT VALUES RETURNING id").Scan(&countryID)
+	err = tx.QueryRow("INSERT INTO currency DEFAULT VALUES RETURNING id").Scan(&currencyID)
 	if err != nil {
 		tx.Rollback() // 操作失败，回滚事务
-		zap.L().Error("❌ country表插入失败",
+		zap.L().Error("❌ currency表插入失败",
 			zap.String("req_id", reqID),
 			zap.Error(err),
 		)
 		c.JSON(http.StatusInternalServerError, CreateResponse{
 			Success: false,
-			Message: "创建国家记录失败",
+			Message: "创建货币记录失败",
 		})
 		return
 	}
 
-	zap.L().Debug("📝 country表插入成功",
+	zap.L().Debug("📝 currency表插入成功",
 		zap.String("req_id", reqID),
-		zap.String("country_id", countryID),
+		zap.String("currency_id", currencyID),
 	)
 
-	// 2. 插入国家名称到name表（与country_id关联）
+	// 2. 插入货币名称到name表（与currency_id关联）
-	_, err = tx.Exec("INSERT INTO name (country_id, name) VALUES ($1, $2)", countryID, req.Name)
+	_, err = tx.Exec("INSERT INTO currency_name (currency_id, name) VALUES ($1, $2)", currencyID, req.Name)
 	if err != nil {
 		tx.Rollback() // 操作失败，回滚事务
-		zap.L().Error("❌ name表插入失败",
+		zap.L().Error("❌ currency_name表插入失败",
 			zap.String("req_id", reqID),
-			zap.String("country_id", countryID),
+			zap.String("currency_id", currencyID),
 			zap.Error(err),
 		)
 		c.JSON(http.StatusInternalServerError, CreateResponse{
@@ -143,13 +143,13 @@ func CreateHandler(c *gin.Context) {
 		return
 	}
 
-	// 3. 插入国家代码到code表（与country_id关联）
+	// 3. 插入货币代码到code表（与currency_id关联）
-	_, err = tx.Exec("INSERT INTO code (country_id, code) VALUES ($1, $2)", countryID, req.Code)
+	_, err = tx.Exec("INSERT INTO currency_code (currency_id, code) VALUES ($1, $2)", currencyID, req.Code)
 	if err != nil {
 		tx.Rollback() // 操作失败，回滚事务
-		zap.L().Error("❌ code表插入失败",
+		zap.L().Error("❌ currency_code表插入失败",
 			zap.String("req_id", reqID),
-			zap.String("country_id", countryID),
+			zap.String("currency_id", currencyID),
 			zap.Error(err),
 		)
 		c.JSON(http.StatusInternalServerError, CreateResponse{
@@ -164,7 +164,7 @@ func CreateHandler(c *gin.Context) {
 		tx.Rollback() // 提交失败时尝试回滚
 		zap.L().Error("❌ 事务提交失败",
 			zap.String("req_id", reqID),
-			zap.String("country_id", countryID),
+			zap.String("currency_id", currencyID),
 			zap.Error(err),
 		)
 		c.JSON(http.StatusInternalServerError, CreateResponse{
@@ -176,18 +176,18 @@ func CreateHandler(c *gin.Context) {
 
 	// 记录请求处理耗时
 	duration := time.Since(startTime)
-	zap.L().Info("✅ 国家创建请求处理完成",
+	zap.L().Info("✅ 货币创建请求处理完成",
 		zap.String("req_id", reqID),
-		zap.String("country_id", countryID),
+		zap.String("currency_id", currencyID),
 		zap.Duration("duration", duration),
 	)
 
-	// 返回成功响应，包含创建的国家ID
+	// 返回成功响应，包含创建的货币ID
 	c.JSON(http.StatusOK, CreateResponse{
 		Success: true,
 		Message: "创建成功",
 		Data: CreateData{
-			CountryID: countryID,
+			CurrencyID: currencyID,
 		},
 	})
 }

backend/src/logic4currency/delete.go

@@ -0,0 +1,168 @@
+package logic4currency
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// DeleteRequest 删除请求参数结构
+type DeleteRequest struct {
+	CurrencyID string `json:"currency_id" binding:"required"` // 货币ID，必填
+}
+
+// DeleteResponse 删除响应结构
+type DeleteResponse struct {
+	Success bool   `json:"success"` // 操作是否成功
+	Message string `json:"message"` // 提示信息
+}
+
+// DeleteHandler 处理删除逻辑（软删除）
+func DeleteHandler(c *gin.Context) {
+	startTime := time.Now()
+	reqID := c.Request.Header.Get("X-DeleteRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	zap.L().Info("📥 收到货币删除请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req DeleteRequest
+	// 绑定并验证请求参数
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, DeleteResponse{
+			Success: false,
+			Message: "请求参数错误：currency_id为必填项",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("currency_id", req.CurrencyID),
+	)
+
+	// 开启数据库事务
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	// 延迟处理panic情况
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, DeleteResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 3.1 更新currency表
+	_, err = tx.Exec("UPDATE currency SET deleted = TRUE WHERE id = $1", req.CurrencyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ currency表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("currency_id", req.CurrencyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除货币记录失败",
+		})
+		return
+	}
+
+	// 3.2 更新name表
+	_, err = tx.Exec("UPDATE currency_name SET deleted = TRUE WHERE currency_id = $1", req.CurrencyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ currency_name表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("currency_id", req.CurrencyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除名称信息失败",
+		})
+		return
+	}
+
+	// 3.3 更新code表
+	_, err = tx.Exec("UPDATE currency_code SET deleted = TRUE WHERE currency_id = $1", req.CurrencyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ currency_code表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("currency_id", req.CurrencyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除代码信息失败",
+		})
+		return
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("currency_id", req.CurrencyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 货币删除请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("currency_id", req.CurrencyID),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, DeleteResponse{
+		Success: true,
+		Message: "删除成功",
+	})
+}

backend/src/logic4currency/read.go

@@ -0,0 +1,231 @@
+package logic4currency
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// ReadRequest 读取请求参数结构
+type ReadRequest struct {
+	CurrencyID string `form:"currency_id"` // 货币ID，可选
+	Name       string `form:"name"`        // 货币名称，可选
+	Code       string `form:"code"`        // 货币代码，可选
+	Page       string `form:"page"`        // 页码，可选
+	PageSize   string `form:"page_size"`   // 每页条数，可选
+}
+
+// ReadData 读取响应数据结构
+type ReadData struct {
+	Total    int64                  `json:"total"`     // 总条数
+	Page     int                    `json:"page"`      // 当前页码
+	PageSize int                    `json:"page_size"` // 每页条数
+	Items    []CurrencyInfoViewItem `json:"items"`     // 数据列表
+}
+
+// CurrencyInfoViewItem 视图数据项结构
+type CurrencyInfoViewItem struct {
+	CurrencyID string `json:"currency_id"` // 货币ID
+	Name       string `json:"name"`        // 货币名称
+	Code       string `json:"code"`        // 货币代码
+}
+
+// ReadResponse 读取响应结构
+type ReadResponse struct {
+	Success bool     `json:"success"` // 操作是否成功
+	Message string   `json:"message"` // 提示信息
+	Data    ReadData `json:"data"`    // 响应数据
+}
+
+// ReadHandler 处理信息查询逻辑
+func ReadHandler(c *gin.Context) {
+	startTime := time.Now()
+	// 获取或生成请求ID
+	reqID := c.Request.Header.Get("X-ReadRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	// 记录请求接收日志
+	zap.L().Info("📥 收到货币查询请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	// 绑定请求参数
+	var req ReadRequest
+	if err := c.ShouldBindQuery(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数解析失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, ReadResponse{
+			Success: false,
+			Message: "请求参数格式错误",
+		})
+		return
+	}
+
+	// 验证查询条件至少有一个不为空
+	if req.CurrencyID == "" && req.Name == "" && req.Code == "" {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.String("reason", "currency_id、name、code不能同时为空"),
+		)
+		c.JSON(http.StatusBadRequest, ReadResponse{
+			Success: false,
+			Message: "请求参数错误：currency_id、name、code不能同时为空",
+		})
+		return
+	}
+
+	// 处理分页参数默认值
+	page, err := strconv.Atoi(req.Page)
+	if err != nil || page < 1 {
+		page = 1
+	}
+	pageSize, err := strconv.Atoi(req.PageSize)
+	if err != nil || pageSize < 1 {
+		pageSize = 20
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("currency_id", req.CurrencyID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.Int("page", page),
+		zap.Int("page_size", pageSize),
+	)
+
+	// 构建查询条件和参数
+	whereClauses := []string{}
+	args := []interface{}{}
+	paramIndex := 1
+
+	if req.CurrencyID != "" {
+		whereClauses = append(whereClauses, "currency_id = $"+strconv.Itoa(paramIndex))
+		args = append(args, req.CurrencyID)
+		paramIndex++
+	}
+	if req.Name != "" {
+		whereClauses = append(whereClauses, "name LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.Name+"%")
+		paramIndex++
+	}
+	if req.Code != "" {
+		whereClauses = append(whereClauses, "code LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.Code+"%")
+		paramIndex++
+	}
+
+	// 构建基础SQL
+	baseSQL := "SELECT currency_id, name, code FROM currency_info_view"
+	countSQL := "SELECT COUNT(*) FROM currency_info_view"
+	if len(whereClauses) > 0 {
+		whereStr := " WHERE " + strings.Join(whereClauses, " AND ")
+		baseSQL += whereStr
+		countSQL += whereStr
+	}
+
+	// 计算分页偏移量
+	offset := (page - 1) * pageSize
+
+	// 拼接分页SQL（使用fmt.Sprintf更清晰）
+	querySQL := fmt.Sprintf("%s ORDER BY currency_id LIMIT $%d OFFSET $%d", baseSQL, paramIndex, paramIndex+1)
+	args = append(args, pageSize, offset)
+
+	// 查询总条数（修正参数传递方式）
+	var total int64
+	countArgs := args[:len(args)-2] // 排除分页参数
+	err = db.DB.QueryRow(countSQL, countArgs...).Scan(&total)
+	if err != nil {
+		zap.L().Error("❌ 查询总条数失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+
+	// 执行分页查询
+	rows, err := db.DB.Query(querySQL, args...)
+	if err != nil {
+		zap.L().Error("❌ 分页查询失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+	defer rows.Close()
+
+	// 处理查询结果
+	var items []CurrencyInfoViewItem
+	for rows.Next() {
+		var item CurrencyInfoViewItem
+		if err := rows.Scan(&item.CurrencyID, &item.Name, &item.Code); err != nil {
+			zap.L().Error("❌ 解析查询结果失败",
+				zap.String("req_id", reqID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, ReadResponse{
+				Success: false,
+				Message: "数据处理失败，请稍后重试",
+			})
+			return
+		}
+		items = append(items, item)
+	}
+
+	// 检查行迭代过程中是否发生错误
+	if err := rows.Err(); err != nil {
+		zap.L().Error("❌ 行迭代错误",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 货币查询请求处理完成",
+		zap.String("req_id", reqID),
+		zap.Int64("total", total),
+		zap.Int("page", page),
+		zap.Int("page_size", pageSize),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, ReadResponse{
+		Success: true,
+		Message: "查询成功",
+		Data: ReadData{
+			Total:    total,
+			Page:     page,
+			PageSize: pageSize,
+			Items:    items,
+		},
+	})
+}

backend/src/logic4currency/update.go

@@ -1,7 +1,7 @@
-package logic
+package logic4currency
 
 import (
-	"country/db"
+	"asset_assistant/db"
 	"net/http"
 	"time"
 
@@ -12,9 +12,9 @@ import (
 
 // UpdateRequest 更新请求参数结构
 type UpdateRequest struct {
-	CountryID string `json:"country_id" binding:"required"` // 国家ID，必填
+	CurrencyID string `json:"currency_id" binding:"required"` // 货币ID，必填
-	Name      string `json:"name"`                          // 国家名称，可选
+	Name       string `json:"name"`                           // 货币名称，可选
-	Code      string `json:"code"`                          // 国家代码，可选
+	Code       string `json:"code"`                           // 货币代码，可选
 }
 
 // UpdateResponse 更新响应结构
@@ -23,7 +23,7 @@ type UpdateResponse struct {
 	Message string `json:"message"` // 提示信息
 }
 
-// UpdateHandler 处理国家信息更新逻辑
+// UpdateHandler 处理信息更新逻辑
 func UpdateHandler(c *gin.Context) {
 	startTime := time.Now()
 	// 获取或生成请求ID
@@ -34,14 +34,14 @@ func UpdateHandler(c *gin.Context) {
 	}
 
 	// 记录请求接收日志
-	zap.L().Info("📥 收到国家更新请求",
+	zap.L().Info("📥 收到货币更新请求",
 		zap.String("req_id", reqID),
 		zap.String("path", c.Request.URL.Path),
 		zap.String("method", c.Request.Method),
 	)
 
 	var req UpdateRequest
-	// 绑定并验证请求参数（主要验证country_id必填）
+	// 绑定并验证请求参数（主要验证currency_id必填）
 	if err := c.ShouldBindJSON(&req); err != nil {
 		zap.L().Warn("⚠️ 请求参数验证失败",
 			zap.String("req_id", reqID),
@@ -49,7 +49,7 @@ func UpdateHandler(c *gin.Context) {
 		)
 		c.JSON(http.StatusBadRequest, UpdateResponse{
 			Success: false,
-			Message: "请求参数错误：country_id为必填项",
+			Message: "请求参数错误：currency_id为必填项",
 		})
 		return
 	}
@@ -58,7 +58,7 @@ func UpdateHandler(c *gin.Context) {
 	if req.Name == "" && req.Code == "" {
 		zap.L().Warn("⚠️ 请求参数验证失败",
 			zap.String("req_id", reqID),
-			zap.String("country_id", req.CountryID),
+			zap.String("currency_id", req.CurrencyID),
 			zap.String("reason", "name和code不能同时为空"),
 		)
 		c.JSON(http.StatusBadRequest, UpdateResponse{
@@ -70,7 +70,7 @@ func UpdateHandler(c *gin.Context) {
 
 	zap.L().Debug("✅ 请求参数验证通过",
 		zap.String("req_id", reqID),
-		zap.String("country_id", req.CountryID),
+		zap.String("currency_id", req.CurrencyID),
 		zap.String("name", req.Name),
 		zap.String("code", req.Code),
 	)
@@ -111,12 +111,12 @@ func UpdateHandler(c *gin.Context) {
 
 	// 如果name不为空，更新name表
 	if req.Name != "" {
-		_, err = tx.Exec("UPDATE name SET name = $1 WHERE country_id = $2", req.Name, req.CountryID)
+		_, err = tx.Exec("UPDATE currency_name SET name = $1 WHERE currency_id = $2", req.Name, req.CurrencyID)
 		if err != nil {
 			tx.Rollback()
-			zap.L().Error("❌ name表更新失败",
+			zap.L().Error("❌ currency_name表更新失败",
 				zap.String("req_id", reqID),
-				zap.String("country_id", req.CountryID),
+				zap.String("currency_id", req.CurrencyID),
 				zap.Error(err),
 			)
 			c.JSON(http.StatusInternalServerError, UpdateResponse{
@@ -127,18 +127,18 @@ func UpdateHandler(c *gin.Context) {
 		}
 		zap.L().Debug("📝 name表更新成功",
 			zap.String("req_id", reqID),
-			zap.String("country_id", req.CountryID),
+			zap.String("currency_id", req.CurrencyID),
 		)
 	}
 
 	// 如果code不为空，更新code表
 	if req.Code != "" {
-		_, err = tx.Exec("UPDATE code SET code = $1 WHERE country_id = $2", req.Code, req.CountryID)
+		_, err = tx.Exec("UPDATE currency_code SET code = $1 WHERE currency_id = $2", req.Code, req.CurrencyID)
 		if err != nil {
 			tx.Rollback()
-			zap.L().Error("❌ code表更新失败",
+			zap.L().Error("❌ currency_code表更新失败",
 				zap.String("req_id", reqID),
-				zap.String("country_id", req.CountryID),
+				zap.String("currency_id", req.CurrencyID),
 				zap.Error(err),
 			)
 			c.JSON(http.StatusInternalServerError, UpdateResponse{
@@ -149,7 +149,7 @@ func UpdateHandler(c *gin.Context) {
 		}
 		zap.L().Debug("📝 code表更新成功",
 			zap.String("req_id", reqID),
-			zap.String("country_id", req.CountryID),
+			zap.String("currency_id", req.CurrencyID),
 		)
 	}
 
@@ -158,7 +158,7 @@ func UpdateHandler(c *gin.Context) {
 		tx.Rollback()
 		zap.L().Error("❌ 事务提交失败",
 			zap.String("req_id", reqID),
-			zap.String("country_id", req.CountryID),
+			zap.String("currency_id", req.CurrencyID),
 			zap.Error(err),
 		)
 		c.JSON(http.StatusInternalServerError, UpdateResponse{
@@ -170,9 +170,9 @@ func UpdateHandler(c *gin.Context) {
 
 	// 记录请求处理耗时
 	duration := time.Since(startTime)
-	zap.L().Info("✅ 国家更新请求处理完成",
+	zap.L().Info("✅ 货币更新请求处理完成",
 		zap.String("req_id", reqID),
-		zap.String("country_id", req.CountryID),
+		zap.String("currency_id", req.CurrencyID),
 		zap.Duration("duration", duration),
 	)
 

backend/src/logic4exchange/create.go

@@ -0,0 +1,200 @@
+package logic4exchange
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// CreateRequest 注册请求参数结构
+// 新增short_name字段，保持必填性与其他核心字段一致
+type CreateRequest struct {
+	Name      string `json:"name" binding:"required"`       // 交易所名称，必填
+	Code      string `json:"code" binding:"required"`       // 交易所代码，必填
+	ShortName string `json:"short_name" binding:"required"` // 交易所短名称，必填
+}
+
+// CreateResponse 注册响应结构
+type CreateResponse struct {
+	Success bool       `json:"success"`
+	Message string     `json:"message"`
+	Data    CreateData `json:"data"`
+}
+
+// CreateData 响应数据结构
+type CreateData struct {
+	ExchangeID string `json:"exchange_id"`
+}
+
+// CreateHandler 处理创建逻辑
+func CreateHandler(c *gin.Context) {
+	startTime := time.Now()
+	reqID := c.Request.Header.Get("X-RegisterRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	zap.L().Info("📥 收到交易所创建请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req CreateRequest
+	// 绑定参数时会自动验证name、code、short_name三个必填字段
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+			zap.Any("request_body", c.Request.Body),
+		)
+		c.JSON(http.StatusBadRequest, CreateResponse{
+			Success: false,
+			Message: "请求参数错误：name、code和short_name为必填项",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.String("short_name", req.ShortName), // 新增短名称日志
+	)
+
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, CreateResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 1. 创建exchange主记录
+	var exchangeID string
+	err = tx.QueryRow("INSERT INTO exchange DEFAULT VALUES RETURNING id").Scan(&exchangeID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange表插入失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "创建交易所记录失败",
+		})
+		return
+	}
+
+	zap.L().Debug("📝 exchange表插入成功",
+		zap.String("req_id", reqID),
+		zap.String("exchange_id", exchangeID),
+	)
+
+	// 2. 插入名称信息
+	_, err = tx.Exec("INSERT INTO exchange_name (exchange_id, name) VALUES ($1, $2)", exchangeID, req.Name)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange_name表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", exchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存名称信息失败",
+		})
+		return
+	}
+
+	// 3. 新增：插入短名称信息（对应exchange_short_name表）
+	_, err = tx.Exec("INSERT INTO exchange_short_name (exchange_id, short_name) VALUES ($1, $2)", exchangeID, req.ShortName)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange_short_name表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", exchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存短名称信息失败",
+		})
+		return
+	}
+
+	// 4. 插入代码信息
+	_, err = tx.Exec("INSERT INTO exchange_code (exchange_id, code) VALUES ($1, $2)", exchangeID, req.Code)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange_code表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", exchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存代码信息失败",
+		})
+		return
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", exchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 交易所创建请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("exchange_id", exchangeID),
+		zap.Duration("duration", duration),
+	)
+
+	c.JSON(http.StatusOK, CreateResponse{
+		Success: true,
+		Message: "创建成功",
+		Data: CreateData{
+			ExchangeID: exchangeID,
+		},
+	})
+}

backend/src/logic4exchange/delete.go

@@ -0,0 +1,184 @@
+package logic4exchange
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// DeleteRequest 删除请求参数结构
+type DeleteRequest struct {
+	ExchangeID string `json:"exchange_id" binding:"required"` // 交易所ID，必填
+}
+
+// DeleteResponse 删除响应结构
+type DeleteResponse struct {
+	Success bool   `json:"success"` // 操作是否成功
+	Message string `json:"message"` // 提示信息
+}
+
+// DeleteHandler 处理删除逻辑（软删除）
+func DeleteHandler(c *gin.Context) {
+	startTime := time.Now()
+	reqID := c.Request.Header.Get("X-DeleteRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	zap.L().Info("📥 收到交易所删除请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req DeleteRequest
+	// 绑定并验证请求参数
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, DeleteResponse{
+			Success: false,
+			Message: "请求参数错误：exchange_id为必填项",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("exchange_id", req.ExchangeID),
+	)
+
+	// 开启数据库事务
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	// 延迟处理panic情况
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, DeleteResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 1. 更新exchange表
+	_, err = tx.Exec("UPDATE exchange SET deleted = TRUE WHERE id = $1", req.ExchangeID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除交易所记录失败",
+		})
+		return
+	}
+
+	// 2. 更新exchange_name表
+	_, err = tx.Exec("UPDATE exchange_name SET deleted = TRUE WHERE exchange_id = $1", req.ExchangeID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange_name表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除名称信息失败",
+		})
+		return
+	}
+
+	// 3. 新增：更新exchange_short_name表（软删除短名称记录）
+	_, err = tx.Exec("UPDATE exchange_short_name SET deleted = TRUE WHERE exchange_id = $1", req.ExchangeID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange_short_name表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除短名称信息失败",
+		})
+		return
+	}
+
+	// 4. 更新exchange_code表
+	_, err = tx.Exec("UPDATE exchange_code SET deleted = TRUE WHERE exchange_id = $1", req.ExchangeID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ exchange_code表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除代码信息失败",
+		})
+		return
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 交易所删除请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("exchange_id", req.ExchangeID),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, DeleteResponse{
+		Success: true,
+		Message: "删除成功",
+	})
+}

backend/src/logic4exchange/read.go

@@ -0,0 +1,240 @@
+package logic4exchange
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// ReadRequest 读取请求参数结构
+type ReadRequest struct {
+	ExchangeID string `form:"exchange_id"` // 交易所ID，可选
+	Name       string `form:"name"`        // 交易所名称，可选
+	Code       string `form:"code"`        // 交易所代码，可选
+	ShortName  string `form:"short_name"`  // 交易所短名称，新增查询条件
+	Page       string `form:"page"`        // 页码，可选
+	PageSize   string `form:"page_size"`   // 每页条数，可选
+}
+
+// ReadData 读取响应数据结构
+type ReadData struct {
+	Total    int64                  `json:"total"`     // 总条数
+	Page     int                    `json:"page"`      // 当前页码
+	PageSize int                    `json:"page_size"` // 每页条数
+	Items    []ExchangeInfoViewItem `json:"items"`     // 数据列表
+}
+
+// ExchangeInfoViewItem 视图数据项结构
+type ExchangeInfoViewItem struct {
+	ExchangeID string `json:"exchange_id"` // 交易所ID
+	Name       string `json:"name"`        // 交易所名称
+	Code       string `json:"code"`        // 交易所代码
+	ShortName  string `json:"short_name"`  // 新增：交易所短名称
+}
+
+// ReadResponse 读取响应结构
+type ReadResponse struct {
+	Success bool     `json:"success"` // 操作是否成功
+	Message string   `json:"message"` // 提示信息
+	Data    ReadData `json:"data"`    // 响应数据
+}
+
+// ReadHandler 处理信息查询逻辑
+func ReadHandler(c *gin.Context) {
+	startTime := time.Now()
+	// 获取或生成请求ID
+	reqID := c.Request.Header.Get("X-ReadRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	// 记录请求接收日志
+	zap.L().Info("📥 收到交易所查询请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	// 绑定请求参数
+	var req ReadRequest
+	if err := c.ShouldBindQuery(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数解析失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, ReadResponse{
+			Success: false,
+			Message: "请求参数格式错误",
+		})
+		return
+	}
+
+	// 验证查询条件至少有一个不为空（新增short_name作为可选条件）
+	if req.ExchangeID == "" && req.Name == "" && req.Code == "" && req.ShortName == "" {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.String("reason", "exchange_id、name、code、short_name不能同时为空"),
+		)
+		c.JSON(http.StatusBadRequest, ReadResponse{
+			Success: false,
+			Message: "请求参数错误：exchange_id、name、code、short_name不能同时为空",
+		})
+		return
+	}
+
+	// 处理分页参数默认值
+	page, err := strconv.Atoi(req.Page)
+	if err != nil || page < 1 {
+		page = 1
+	}
+	pageSize, err := strconv.Atoi(req.PageSize)
+	if err != nil || pageSize < 1 {
+		pageSize = 20
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("exchange_id", req.ExchangeID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.String("short_name", req.ShortName), // 新增短名称日志
+		zap.Int("page", page),
+		zap.Int("page_size", pageSize),
+	)
+
+	// 构建查询条件和参数
+	whereClauses := []string{}
+	args := []interface{}{}
+	paramIndex := 1
+
+	if req.ExchangeID != "" {
+		whereClauses = append(whereClauses, "exchange_id = $"+strconv.Itoa(paramIndex))
+		args = append(args, req.ExchangeID)
+		paramIndex++
+	}
+	if req.Name != "" {
+		whereClauses = append(whereClauses, "name LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.Name+"%")
+		paramIndex++
+	}
+	// 新增：短名称查询条件
+	if req.ShortName != "" {
+		whereClauses = append(whereClauses, "short_name LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.ShortName+"%")
+		paramIndex++
+	}
+	if req.Code != "" {
+		whereClauses = append(whereClauses, "code LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.Code+"%")
+		paramIndex++
+	}
+
+	// 构建基础SQL（新增查询short_name字段）
+	baseSQL := "SELECT exchange_id, name, short_name, code FROM exchange_info_view"
+	countSQL := "SELECT COUNT(*) FROM exchange_info_view"
+	if len(whereClauses) > 0 {
+		whereStr := " WHERE " + strings.Join(whereClauses, " AND ")
+		baseSQL += whereStr
+		countSQL += whereStr
+	}
+
+	// 计算分页偏移量
+	offset := (page - 1) * pageSize
+
+	// 拼接分页SQL
+	querySQL := fmt.Sprintf("%s ORDER BY exchange_id LIMIT $%d OFFSET $%d", baseSQL, paramIndex, paramIndex+1)
+	args = append(args, pageSize, offset)
+
+	// 查询总条数
+	var total int64
+	countArgs := args[:len(args)-2] // 排除分页参数
+	err = db.DB.QueryRow(countSQL, countArgs...).Scan(&total)
+	if err != nil {
+		zap.L().Error("❌ 查询总条数失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+
+	// 执行分页查询
+	rows, err := db.DB.Query(querySQL, args...)
+	if err != nil {
+		zap.L().Error("❌ 分页查询失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+	defer rows.Close()
+
+	// 处理查询结果（新增扫描short_name字段）
+	var items []ExchangeInfoViewItem
+	for rows.Next() {
+		var item ExchangeInfoViewItem
+		if err := rows.Scan(&item.ExchangeID, &item.Name, &item.ShortName, &item.Code); err != nil {
+			zap.L().Error("❌ 解析查询结果失败",
+				zap.String("req_id", reqID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, ReadResponse{
+				Success: false,
+				Message: "数据处理失败，请稍后重试",
+			})
+			return
+		}
+		items = append(items, item)
+	}
+
+	// 检查行迭代过程中是否发生错误
+	if err := rows.Err(); err != nil {
+		zap.L().Error("❌ 行迭代错误",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 交易所查询请求处理完成",
+		zap.String("req_id", reqID),
+		zap.Int64("total", total),
+		zap.Int("page", page),
+		zap.Int("page_size", pageSize),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, ReadResponse{
+		Success: true,
+		Message: "查询成功",
+		Data: ReadData{
+			Total:    total,
+			Page:     page,
+			PageSize: pageSize,
+			Items:    items,
+		},
+	})
+}

backend/src/logic4exchange/update.go

@@ -0,0 +1,208 @@
+package logic4exchange
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// UpdateRequest 更新请求参数结构
+type UpdateRequest struct {
+	ExchangeID string `json:"exchange_id" binding:"required"` // 交易所ID，必填
+	Name       string `json:"name"`                           // 交易所名称，可选
+	Code       string `json:"code"`                           // 交易所代码，可选
+	ShortName  string `json:"short_name"`                     // 新增：交易所短名称，可选
+}
+
+// UpdateResponse 更新响应结构
+type UpdateResponse struct {
+	Success bool   `json:"success"` // 操作是否成功
+	Message string `json:"message"` // 提示信息
+}
+
+// UpdateHandler 处理信息更新逻辑
+func UpdateHandler(c *gin.Context) {
+	startTime := time.Now()
+	// 获取或生成请求ID
+	reqID := c.Request.Header.Get("X-UpdateRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	// 记录请求接收日志
+	zap.L().Info("📥 收到交易所更新请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req UpdateRequest
+	// 绑定并验证请求参数（主要验证exchange_id必填）
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, UpdateResponse{
+			Success: false,
+			Message: "请求参数错误：exchange_id为必填项",
+		})
+		return
+	}
+
+	// 验证name、code和short_name不能同时为空
+	if req.Name == "" && req.Code == "" && req.ShortName == "" {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+			zap.String("reason", "name、code和short_name不能同时为空"),
+		)
+		c.JSON(http.StatusBadRequest, UpdateResponse{
+			Success: false,
+			Message: "请求参数错误：name、code和short_name不能同时为空",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("exchange_id", req.ExchangeID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.String("short_name", req.ShortName), // 新增短名称日志
+	)
+
+	// 开启数据库事务
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, UpdateResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	// 延迟处理panic情况
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 如果name不为空，更新name表
+	if req.Name != "" {
+		_, err = tx.Exec("UPDATE exchange_name SET name = $1 WHERE exchange_id = $2", req.Name, req.ExchangeID)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ exchange_name表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("exchange_id", req.ExchangeID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新名称信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 name表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+		)
+	}
+
+	// 如果code不为空，更新code表
+	if req.Code != "" {
+		_, err = tx.Exec("UPDATE exchange_code SET code = $1 WHERE exchange_id = $2", req.Code, req.ExchangeID)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ exchange_code表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("exchange_id", req.ExchangeID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新代码信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 code表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+		)
+	}
+
+	// 新增：如果short_name不为空，更新short_name表
+	if req.ShortName != "" {
+		_, err = tx.Exec("UPDATE exchange_short_name SET short_name = $1 WHERE exchange_id = $2", req.ShortName, req.ExchangeID)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ exchange_short_name表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("exchange_id", req.ExchangeID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新短名称信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 short_name表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+		)
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("exchange_id", req.ExchangeID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, UpdateResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 交易所更新请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("exchange_id", req.ExchangeID),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, UpdateResponse{
+		Success: true,
+		Message: "更新成功",
+	})
+}

backend/src/logic4user/login.go

@@ -1,9 +1,9 @@
-package logic
+package logic4user
 
 import (
+	"asset_assistant/db"
 	"database/sql"
 	"net/http"
-	"user/db"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
@@ -30,7 +30,7 @@ type LoginResponse struct {
 	} `json:"data"`
 }
 
-// LoginHandler 处理用户登录请求的处理器函数
+// LoginHandler 处理登录请求的处理器函数
 // 参数c是gin.Context，用于获取请求信息和返回响应
 func LoginHandler(c *gin.Context) {
 	// 获取请求ID，用于追踪请求链路，若请求头中没有则生成一个新的UUID
@@ -54,7 +54,7 @@ func LoginHandler(c *gin.Context) {
 			zap.Error(err),
 			zap.Any("请求体", c.Request.Body),
 		)
-		c.JSON(http.StatusBadRequest, LoginResponse{
+		c.JSON(http.StatusOK, LoginResponse{
 			Success: false,
 			Message: "账号或密码不能为空",
 		})
@@ -72,7 +72,7 @@ func LoginHandler(c *gin.Context) {
 			zap.String("reqID", reqID),
 			zap.String("账号", req.Account),
 		)
-		c.JSON(http.StatusBadRequest, LoginResponse{
+		c.JSON(http.StatusOK, LoginResponse{
 			Success: false,
 			Message: "账号或密码不能为空",
 		})

backend/src/logic4user/register.go

@@ -1,9 +1,9 @@
-package logic
+package logic4user
 
 import (
+	"asset_assistant/db"
 	"net/http"
 	"time"
-	"user/db"
 
 	"github.com/gin-gonic/gin"
 	"github.com/google/uuid"
@@ -28,7 +28,7 @@ type RegisterResponse struct {
 	} `json:"data"`
 }
 
-// registerHandler 处理用户注册逻辑
+// registerHandler 处理注册逻辑
 func RegisterHandler(c *gin.Context) {
 	startTime := time.Now()
 	reqID := c.Request.Header.Get("X-RegisterRequest-ID")
@@ -171,7 +171,7 @@ func RegisterHandler(c *gin.Context) {
 
 	// 7. 插入account表
 	insertAccountQuery := `
-		INSERT INTO account (user_id, account)
+		INSERT INTO user_account (user_id, account)
 		VALUES ($1, $2)
 	`
 	zap.L().Info("💡 执行账号插入",
@@ -196,7 +196,7 @@ func RegisterHandler(c *gin.Context) {
 
 	// 8. 插入password表
 	insertPasswordQuery := `
-		INSERT INTO password (user_id, password)
+		INSERT INTO user_password (user_id, password)
 		VALUES ($1, $2)
 	`
 	zap.L().Info("💡 执行密码插入",

backend/src/logic4variety/create.go

@@ -0,0 +1,235 @@
+package logic4variety
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// CreateRequest 创建品种请求参数结构
+type CreateRequest struct {
+	Name       string  `json:"name" binding:"required"`        // 品种名称，必填
+	Code       string  `json:"code" binding:"required"`        // 品种代码，必填
+	Tick       float64 `json:"tick" binding:"required"`        // 品种tick，必填
+	TickPrice  float64 `json:"tick_price" binding:"required"`  // 品种tick价格，必填
+	ExchangeID string  `json:"exchange_id" binding:"required"` // 交易所ID，必填
+}
+
+// CreateResponse 创建品种响应结构
+type CreateResponse struct {
+	Success bool       `json:"success"`
+	Message string     `json:"message"`
+	Data    CreateData `json:"data"`
+}
+
+// CreateData 响应数据结构
+type CreateData struct {
+	VarietyID string `json:"variety_id"`
+}
+
+// CreateHandler 处理创建品种逻辑
+func CreateHandler(c *gin.Context) {
+	startTime := time.Now()
+	reqID := c.Request.Header.Get("X-VarietyCreateRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	zap.L().Info("📥 收到品种创建请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req CreateRequest
+	// 绑定参数时会自动验证所有必填字段
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+			zap.Any("request_body", c.Request.Body),
+		)
+		c.JSON(http.StatusBadRequest, CreateResponse{
+			Success: false,
+			Message: "请求参数错误：name、code、tick、tick_price和exchange_id为必填项",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.Float64("tick", req.Tick),
+		zap.Float64("tick_price", req.TickPrice),
+		zap.String("exchange_id", req.ExchangeID),
+	)
+
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, CreateResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 1. 创建variety主记录
+	var varietyID string
+	err = tx.QueryRow("INSERT INTO variety DEFAULT VALUES RETURNING id").Scan(&varietyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety表插入失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "创建品种记录失败",
+		})
+		return
+	}
+
+	zap.L().Debug("📝 variety表插入成功",
+		zap.String("req_id", reqID),
+		zap.String("variety_id", varietyID),
+	)
+
+	// 2. 插入交易所关联信息
+	_, err = tx.Exec("INSERT INTO variety_exchange (variety_id, exchange_id) VALUES ($1, $2)", varietyID, req.ExchangeID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_exchange表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", varietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存交易所关联信息失败",
+		})
+		return
+	}
+
+	// 3. 插入名称信息
+	_, err = tx.Exec("INSERT INTO variety_name (variety_id, name) VALUES ($1, $2)", varietyID, req.Name)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_name表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", varietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存名称信息失败",
+		})
+		return
+	}
+
+	// 4. 插入代码信息
+	_, err = tx.Exec("INSERT INTO variety_code (variety_id, code) VALUES ($1, $2)", varietyID, req.Code)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_code表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", varietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存代码信息失败",
+		})
+		return
+	}
+
+	// 5. 插入tick信息
+	_, err = tx.Exec("INSERT INTO variety_tick (variety_id, tick) VALUES ($1, $2)", varietyID, req.Tick)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_tick表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", varietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存tick信息失败",
+		})
+		return
+	}
+
+	// 6. 插入tick价格信息
+	_, err = tx.Exec("INSERT INTO variety_tick_price (variety_id, price) VALUES ($1, $2)", varietyID, req.TickPrice)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_tick_price表插入失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", varietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "保存tick价格信息失败",
+		})
+		return
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", varietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, CreateResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 品种创建请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("variety_id", varietyID),
+		zap.Duration("duration", duration),
+	)
+
+	c.JSON(http.StatusOK, CreateResponse{
+		Success: true,
+		Message: "创建成功",
+		Data: CreateData{
+			VarietyID: varietyID,
+		},
+	})
+}

backend/src/logic4variety/delete.go

@@ -0,0 +1,216 @@
+package logic4variety
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// DeleteRequest 删除请求参数结构
+type DeleteRequest struct {
+	VarietyID string `json:"variety_id" binding:"required"` // 品种ID，必填
+}
+
+// DeleteResponse 删除响应结构
+type DeleteResponse struct {
+	Success bool   `json:"success"` // 操作是否成功
+	Message string `json:"message"` // 提示信息
+}
+
+// DeleteHandler 处理删除逻辑（软删除）
+func DeleteHandler(c *gin.Context) {
+	startTime := time.Now()
+	reqID := c.Request.Header.Get("X-DeleteRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	zap.L().Info("📥 收到品种删除请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req DeleteRequest
+	// 绑定并验证请求参数
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, DeleteResponse{
+			Success: false,
+			Message: "请求参数错误：variety_id为必填项",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("variety_id", req.VarietyID),
+	)
+
+	// 开启数据库事务
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	// 延迟处理panic情况
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, DeleteResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 1. 更新variety表
+	_, err = tx.Exec("UPDATE variety SET deleted = TRUE WHERE id = $1", req.VarietyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除品种记录失败",
+		})
+		return
+	}
+
+	// 2. 更新variety_exchange表
+	_, err = tx.Exec("UPDATE variety_exchange SET deleted = TRUE WHERE variety_id = $1", req.VarietyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_exchange表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除交易所关联信息失败",
+		})
+		return
+	}
+
+	// 3. 更新variety_name表
+	_, err = tx.Exec("UPDATE variety_name SET deleted = TRUE WHERE variety_id = $1", req.VarietyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_name表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除名称信息失败",
+		})
+		return
+	}
+
+	// 4. 更新variety_code表
+	_, err = tx.Exec("UPDATE variety_code SET deleted = TRUE WHERE variety_id = $1", req.VarietyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_code表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除代码信息失败",
+		})
+		return
+	}
+
+	// 5. 更新variety_tick表
+	_, err = tx.Exec("UPDATE variety_tick SET deleted = TRUE WHERE variety_id = $1", req.VarietyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_tick表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除最小变动价位信息失败",
+		})
+		return
+	}
+
+	// 6. 更新variety_tick_price表
+	_, err = tx.Exec("UPDATE variety_tick_price SET deleted = TRUE WHERE variety_id = $1", req.VarietyID)
+	if err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ variety_tick_price表更新失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "删除最小变动价位金额信息失败",
+		})
+		return
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, DeleteResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 品种删除请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("variety_id", req.VarietyID),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, DeleteResponse{
+		Success: true,
+		Message: "删除成功",
+	})
+}

backend/src/logic4variety/read.go

@@ -0,0 +1,243 @@
+package logic4variety
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// ReadRequest 读取请求参数结构
+type ReadRequest struct {
+	VarietyID    string `form:"variety_id"`    // 品种ID，可选
+	Name         string `form:"name"`          // 品种名称，可选
+	Code         string `form:"code"`          // 品种代码，可选
+	ExchangeName string `form:"exchange_name"` // 交易所名称，可选
+	Page         string `form:"page"`          // 页码，可选
+	PageSize     string `form:"page_size"`     // 每页条数，可选
+}
+
+// ReadData 读取响应数据结构
+type ReadData struct {
+	Total    int64                 `json:"total"`     // 总条数
+	Page     int                   `json:"page"`      // 当前页码
+	PageSize int                   `json:"page_size"` // 每页条数
+	Items    []VarietyInfoViewItem `json:"items"`     // 数据列表
+}
+
+// VarietyInfoViewItem 视图数据项结构
+type VarietyInfoViewItem struct {
+	VarietyID         string  `json:"variety_id"`          // 品种ID
+	Name              string  `json:"name"`                // 品种名称
+	Code              string  `json:"code"`                // 品种代码
+	ExchangeName      string  `json:"exchange_name"`       // 交易所名称
+	Tick              string  `json:"tick"`                // 最小变动价位
+	TickPrice         string  `json:"tick_price"`          // 最小变动价位对应的价值
+	TickOriginal      float64 `json:"tick_original"`       // 最小变动价位(原始值)
+	TickPriceOriginal float64 `json:"tick_price_original"` // 最小变动价位对应的价值(原始值)
+}
+
+// ReadResponse 读取响应结构
+type ReadResponse struct {
+	Success bool     `json:"success"` // 操作是否成功
+	Message string   `json:"message"` // 提示信息
+	Data    ReadData `json:"data"`    // 响应数据
+}
+
+// ReadHandler 处理信息查询逻辑
+func ReadHandler(c *gin.Context) {
+	startTime := time.Now()
+	// 获取或生成请求ID
+	reqID := c.Request.Header.Get("X-ReadRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	// 记录请求接收日志
+	zap.L().Info("📥 收到品种查询请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	// 绑定请求参数
+	var req ReadRequest
+	if err := c.ShouldBindQuery(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数解析失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, ReadResponse{
+			Success: false,
+			Message: "请求参数格式错误",
+		})
+		return
+	}
+
+	// 验证查询条件至少有一个不为空
+	if req.VarietyID == "" && req.Name == "" && req.Code == "" && req.ExchangeName == "" {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.String("reason", "variety_id、name、code、exchange_name不能同时为空"),
+		)
+		c.JSON(http.StatusBadRequest, ReadResponse{
+			Success: false,
+			Message: "请求参数错误：variety_id、name、code、exchange_name不能同时为空",
+		})
+		return
+	}
+
+	// 处理分页参数默认值
+	page, err := strconv.Atoi(req.Page)
+	if err != nil || page < 1 {
+		page = 1
+	}
+	pageSize, err := strconv.Atoi(req.PageSize)
+	if err != nil || pageSize < 1 {
+		pageSize = 20
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("variety_id", req.VarietyID),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.String("exchange_name", req.ExchangeName),
+		zap.Int("page", page),
+		zap.Int("page_size", pageSize),
+	)
+
+	// 构建查询条件和参数
+	whereClauses := []string{}
+	args := []interface{}{}
+	paramIndex := 1
+
+	if req.VarietyID != "" {
+		whereClauses = append(whereClauses, "variety_id = $"+strconv.Itoa(paramIndex))
+		args = append(args, req.VarietyID)
+		paramIndex++
+	}
+	if req.Name != "" {
+		whereClauses = append(whereClauses, "name LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.Name+"%")
+		paramIndex++
+	}
+	if req.ExchangeName != "" {
+		whereClauses = append(whereClauses, "exchange_name LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.ExchangeName+"%")
+		paramIndex++
+	}
+	if req.Code != "" {
+		whereClauses = append(whereClauses, "code LIKE $"+strconv.Itoa(paramIndex))
+		args = append(args, "%"+req.Code+"%")
+		paramIndex++
+	}
+
+	// 构建基础SQL
+	baseSQL := "SELECT variety_id, name, code, exchange_name, tick, tick_price, tick_original, tick_price_original FROM variety_info_view"
+	countSQL := "SELECT COUNT(*) FROM variety_info_view"
+	if len(whereClauses) > 0 {
+		whereStr := " WHERE " + strings.Join(whereClauses, " AND ")
+		baseSQL += whereStr
+		countSQL += whereStr
+	}
+
+	// 计算分页偏移量
+	offset := (page - 1) * pageSize
+
+	// 拼接分页SQL
+	querySQL := fmt.Sprintf("%s ORDER BY variety_id LIMIT $%d OFFSET $%d", baseSQL, paramIndex, paramIndex+1)
+	args = append(args, pageSize, offset)
+
+	// 查询总条数
+	var total int64
+	countArgs := args[:len(args)-2] // 排除分页参数
+	err = db.DB.QueryRow(countSQL, countArgs...).Scan(&total)
+	if err != nil {
+		zap.L().Error("❌ 查询总条数失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+
+	// 执行分页查询
+	rows, err := db.DB.Query(querySQL, args...)
+	if err != nil {
+		zap.L().Error("❌ 分页查询失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+	defer rows.Close()
+
+	// 处理查询结果
+	var items []VarietyInfoViewItem
+	for rows.Next() {
+		var item VarietyInfoViewItem
+		if err := rows.Scan(&item.VarietyID, &item.Name, &item.Code, &item.ExchangeName, &item.Tick, &item.TickPrice, &item.TickOriginal, &item.TickPriceOriginal); err != nil {
+			zap.L().Error("❌ 解析查询结果失败",
+				zap.String("req_id", reqID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, ReadResponse{
+				Success: false,
+				Message: "数据处理失败，请稍后重试",
+			})
+			return
+		}
+		items = append(items, item)
+	}
+
+	// 检查行迭代过程中是否发生错误
+	if err := rows.Err(); err != nil {
+		zap.L().Error("❌ 行迭代错误",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, ReadResponse{
+			Success: false,
+			Message: "查询数据失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 品种查询请求处理完成",
+		zap.String("req_id", reqID),
+		zap.Int64("total", total),
+		zap.Int("page", page),
+		zap.Int("page_size", pageSize),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, ReadResponse{
+		Success: true,
+		Message: "查询成功",
+		Data: ReadData{
+			Total:    total,
+			Page:     page,
+			PageSize: pageSize,
+			Items:    items,
+		},
+	})
+}

backend/src/logic4variety/update.go

@@ -0,0 +1,370 @@
+package logic4variety
+
+import (
+	"asset_assistant/db"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+)
+
+// UpdateRequest 更新请求参数结构
+type UpdateRequest struct {
+	VarietyID    string  `json:"variety_id" binding:"required"` // 品种ID，必填
+	ExchangeID   string  `json:"exchange_id"`                   // 交易所ID，可选
+	ExchangeName string  `json:"exchange_name"`                 // 交易所名称，可选
+	Name         string  `json:"name"`                          // 品种名称，可选
+	Code         string  `json:"code"`                          // 品种代码，可选
+	Tick         float64 `json:"tick"`                          // 最小变动价位，可选
+	TickPrice    float64 `json:"tick_price"`                    // 最小变动价值，可选
+}
+
+// UpdateResponse 更新响应结构
+type UpdateResponse struct {
+	Success bool   `json:"success"` // 操作是否成功
+	Message string `json:"message"` // 提示信息
+}
+
+// UpdateHandler 处理信息更新逻辑
+func UpdateHandler(c *gin.Context) {
+	startTime := time.Now()
+	// 获取或生成请求ID
+	reqID := c.Request.Header.Get("X-UpdateRequest-ID")
+	if reqID == "" {
+		reqID = uuid.New().String()
+		zap.L().Debug("✨ 生成新的请求ID", zap.String("req_id", reqID))
+	}
+
+	// 记录请求接收日志
+	zap.L().Info("📥 收到品种更新请求",
+		zap.String("req_id", reqID),
+		zap.String("path", c.Request.URL.Path),
+		zap.String("method", c.Request.Method),
+	)
+
+	var req UpdateRequest
+	// 绑定并验证请求参数（主要验证variety_id必填）
+	if err := c.ShouldBindJSON(&req); err != nil {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusBadRequest, UpdateResponse{
+			Success: false,
+			Message: "请求参数错误：variety_id为必填项",
+		})
+		return
+	}
+
+	// 验证所有可选字段不能同时为空
+	if req.ExchangeID == "" && req.ExchangeName == "" && req.Name == "" && req.Code == "" && req.Tick == 0 && req.TickPrice == 0 {
+		zap.L().Warn("⚠️ 请求参数验证失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.String("reason", "所有更新字段不能同时为空"),
+		)
+		c.JSON(http.StatusBadRequest, UpdateResponse{
+			Success: false,
+			Message: "请求参数错误：至少提供一个需要更新的字段",
+		})
+		return
+	}
+
+	zap.L().Debug("✅ 请求参数验证通过",
+		zap.String("req_id", reqID),
+		zap.String("variety_id", req.VarietyID),
+		zap.String("exchange_id", req.ExchangeID),
+		zap.String("exchange_name", req.ExchangeName),
+		zap.String("name", req.Name),
+		zap.String("code", req.Code),
+		zap.Float64("tick", req.Tick),
+		zap.Float64("tick_price", req.TickPrice),
+	)
+
+	// 开启数据库事务
+	tx, err := db.DB.Begin()
+	if err != nil {
+		zap.L().Error("❌ 事务开启失败",
+			zap.String("req_id", reqID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, UpdateResponse{
+			Success: false,
+			Message: "系统错误，请稍后重试",
+		})
+		return
+	}
+
+	// 延迟处理panic情况
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				zap.L().Error("💥 panic后事务回滚失败",
+					zap.String("req_id", reqID),
+					zap.Error(err),
+				)
+			}
+			zap.L().Error("💥 事务处理发生panic",
+				zap.String("req_id", reqID),
+				zap.Any("recover", r),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "系统错误，请稍后重试",
+			})
+		}
+	}()
+
+	// 如果exchange_id或exchange_name不为空，更新variety_exchange表
+	if req.ExchangeID != "" || req.ExchangeName != "" {
+		// 先查询是否已存在记录
+		var count int
+		err = tx.QueryRow("SELECT COUNT(*) FROM variety_exchange WHERE variety_id = $1 AND deleted = FALSE", req.VarietyID).Scan(&count)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_exchange表查询失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "查询交易所信息失败",
+			})
+			return
+		}
+
+		if count > 0 {
+			// 更新现有记录
+			_, err = tx.Exec("UPDATE variety_exchange SET exchange_id = $1, exchange_name = $2 WHERE variety_id = $3", req.ExchangeID, req.ExchangeName, req.VarietyID)
+		} else {
+			// 插入新记录
+			_, err = tx.Exec("INSERT INTO variety_exchange (variety_id, exchange_id, exchange_name) VALUES ($1, $2, $3)", req.VarietyID, req.ExchangeID, req.ExchangeName)
+		}
+
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_exchange表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新交易所信息失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 variety_exchange表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+		)
+	}
+
+	// 如果name不为空，更新variety_name表
+	if req.Name != "" {
+		// 先查询是否已存在记录
+		var count int
+		err = tx.QueryRow("SELECT COUNT(*) FROM variety_name WHERE variety_id = $1 AND deleted = FALSE", req.VarietyID).Scan(&count)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_name表查询失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "查询品种名称失败",
+			})
+			return
+		}
+
+		if count > 0 {
+			_, err = tx.Exec("UPDATE variety_name SET name = $1 WHERE variety_id = $2", req.Name, req.VarietyID)
+		} else {
+			_, err = tx.Exec("INSERT INTO variety_name (variety_id, name) VALUES ($1, $2)", req.VarietyID, req.Name)
+		}
+
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_name表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新品种名称失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 variety_name表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+		)
+	}
+
+	// 如果code不为空，更新variety_code表
+	if req.Code != "" {
+		// 先查询是否已存在记录
+		var count int
+		err = tx.QueryRow("SELECT COUNT(*) FROM variety_code WHERE variety_id = $1 AND deleted = FALSE", req.VarietyID).Scan(&count)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_code表查询失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "查询品种代码失败",
+			})
+			return
+		}
+
+		if count > 0 {
+			_, err = tx.Exec("UPDATE variety_code SET code = $1 WHERE variety_id = $2", req.Code, req.VarietyID)
+		} else {
+			_, err = tx.Exec("INSERT INTO variety_code (variety_id, code) VALUES ($1, $2)", req.VarietyID, req.Code)
+		}
+
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_code表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新品种代码失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 variety_code表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+		)
+	}
+
+	// 如果tick不为0，更新variety_tick表
+	if req.Tick != 0 {
+		// 先查询是否已存在记录
+		var count int
+		err = tx.QueryRow("SELECT COUNT(*) FROM variety_tick WHERE variety_id = $1 AND deleted = FALSE", req.VarietyID).Scan(&count)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_tick表查询失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "查询最小变动价位失败",
+			})
+			return
+		}
+
+		if count > 0 {
+			_, err = tx.Exec("UPDATE variety_tick SET tick = $1 WHERE variety_id = $2", req.Tick, req.VarietyID)
+		} else {
+			_, err = tx.Exec("INSERT INTO variety_tick (variety_id, tick) VALUES ($1, $2)", req.VarietyID, req.Tick)
+		}
+
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_tick表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新最小变动价位失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 variety_tick表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+		)
+	}
+
+	// 如果tick_price不为0，更新variety_tick_price表
+	if req.TickPrice != 0 {
+		// 先查询是否已存在记录
+		var count int
+		err = tx.QueryRow("SELECT COUNT(*) FROM variety_tick_price WHERE variety_id = $1 AND deleted = FALSE", req.VarietyID).Scan(&count)
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_tick_price表查询失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "查询最小变动价值失败",
+			})
+			return
+		}
+
+		if count > 0 {
+			_, err = tx.Exec("UPDATE variety_tick_price SET price = $1 WHERE variety_id = $2", req.TickPrice, req.VarietyID)
+		} else {
+			_, err = tx.Exec("INSERT INTO variety_tick_price (variety_id, price) VALUES ($1, $2)", req.VarietyID, req.TickPrice)
+		}
+
+		if err != nil {
+			tx.Rollback()
+			zap.L().Error("❌ variety_tick_price表更新失败",
+				zap.String("req_id", reqID),
+				zap.String("variety_id", req.VarietyID),
+				zap.Error(err),
+			)
+			c.JSON(http.StatusInternalServerError, UpdateResponse{
+				Success: false,
+				Message: "更新最小变动价值失败",
+			})
+			return
+		}
+		zap.L().Debug("📝 variety_tick_price表更新成功",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+		)
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		tx.Rollback()
+		zap.L().Error("❌ 事务提交失败",
+			zap.String("req_id", reqID),
+			zap.String("variety_id", req.VarietyID),
+			zap.Error(err),
+		)
+		c.JSON(http.StatusInternalServerError, UpdateResponse{
+			Success: false,
+			Message: "数据提交失败，请稍后重试",
+		})
+		return
+	}
+
+	// 记录请求处理耗时
+	duration := time.Since(startTime)
+	zap.L().Info("✅ 品种更新请求处理完成",
+		zap.String("req_id", reqID),
+		zap.String("variety_id", req.VarietyID),
+		zap.Duration("duration", duration),
+	)
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, UpdateResponse{
+		Success: true,
+		Message: "更新成功",
+	})
+}

backend/src/main.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"asset_assistant/db"     // 数据库相关操作包
+	"asset_assistant/logger" // 日志工具包
+	"asset_assistant/logic4country"
+	"asset_assistant/logic4currency"
+	"asset_assistant/logic4exchange"
+	"asset_assistant/logic4user"
+
+	// 业务逻辑处理包
+	"time"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin" // Gin框架，用于构建HTTP服务
+	_ "github.com/lib/pq"      // PostgreSQL数据库驱动（下划线表示仅初始化不直接使用）
+	"go.uber.org/zap"          // Zap日志库，用于结构化日志输出
+)
+
+// main函数是程序的入口点
+func main() {
+	// 初始化日志配置
+	logger.Init()
+	// 记录服务初始化日志
+	zap.L().Info("🚀 用户服务初始化")
+
+	// 记录数据库初始化开始日志
+	zap.L().Info("⌛️ 数据库初始化开始")
+	// 初始化数据库连接
+	db.Init()
+	// 程序退出时关闭数据库连接（defer确保在函数退出前执行）
+	defer db.DB.Close()
+	// 记录数据库初始化成功日志
+	zap.L().Info("✅ 数据库初始化成功")
+
+	// 设置Gin框架为发布模式（关闭调试信息）
+	gin.SetMode(gin.ReleaseMode)
+	// 创建Gin默认路由器
+	r := gin.Default()
+
+	// 配置跨域中间件
+	r.Use(cors.New(cors.Config{
+		// 允许所有来源（生产环境建议指定具体域名）
+		AllowOrigins: []string{"*"},
+		// 允许的请求方法
+		AllowMethods: []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"},
+		// 允许的请求头
+		AllowHeaders: []string{"Origin", "Content-Type", "Content-Length", "Accept-Encoding", "X-CSRF-Token", "Authorization", "X-LoginRequest-ID"},
+		// 允许前端读取的响应头
+		ExposeHeaders: []string{"Content-Length"},
+		// 是否允许携带cookie
+		AllowCredentials: true,
+		// 预检请求的缓存时间
+		MaxAge: 12 * time.Hour,
+	}))
+	zap.L().Info("✅ 配置跨域中间件完成")
+
+	// 注册用户接口
+	user := r.Group("/user")
+	{
+		user.POST("/register", logic4user.RegisterHandler)
+		user.POST("/login", logic4user.LoginHandler)
+	}
+	zap.L().Info("✅ 用户接口注册完成")
+
+	// 注册国家接口
+	country := r.Group("/country")
+	{
+		country.POST("/create", logic4country.CreateHandler)
+		country.POST("/read", logic4country.ReadHandler)
+		country.POST("/update", logic4country.UpdateHandler)
+		country.POST("/delete", logic4country.DeleteHandler)
+	}
+	zap.L().Info("✅ 国家接口注册完成")
+
+	// 注册交易所接口
+	exchange := r.Group("/exchange")
+	{
+		exchange.POST("/create", logic4exchange.CreateHandler)
+		exchange.POST("/read", logic4exchange.ReadHandler)
+		exchange.POST("/update", logic4exchange.UpdateHandler)
+		exchange.POST("/delete", logic4exchange.DeleteHandler)
+	}
+	zap.L().Info("✅ 交易所接口注册完成")
+
+	// 注册货币接口
+	currency := r.Group("/currency")
+	{
+		currency.POST("/create", logic4currency.CreateHandler)
+		currency.POST("/read", logic4currency.ReadHandler)
+		currency.POST("/update", logic4currency.UpdateHandler)
+		currency.POST("/delete", logic4currency.DeleteHandler)
+	}
+	zap.L().Info("✅ 货币接口注册完成")
+
+	// 记录服务启动日志，监听80端口
+	zap.L().Info("✅ 服务启动在80端口")
+	r.Run(":80")
+}

backend/user/.env

@@ -1,21 +0,0 @@
-# 数据库配置
-DB_USER=postgres
-DB_PASSWORD=postgres12341234
-DB_NAME=postgres
-DB_PORT=5432
-DB_SSL_MODE=disable
-DB_MAX_OPEN_CONNS=25
-DB_MAX_IDLE_CONNS=25
-DB_TIMEOUT=30s
-
-# 时区配置
-TZ=Asia/Shanghai
-
-# 网关端口
-PORT=80
-
-# 日志配置
-LOG_LEVEL=info
-
-# Gin模式 (debug/release/test)
-GIN_MODE=debug

backend/user/deploy.sh

@@ -1,86 +0,0 @@
-#!/bin/bash
-set -euo pipefail  # 更严格的错误检查：未定义变量报错、管道错误传递
-
-# 定义日志函数（带时间戳和级别）
-log_info() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [INFO] $1"
-}
-
-log_warn() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [WARN] $1" >&2
-}
-
-log_error() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [ERROR] $1" >&2
-}
-
-# 定义配置常量（等号两侧无空格！集中管理，便于修改）
-IMAGE_NAME="user-api"
-IMAGE_TAG="1.0.0"
-FULL_IMAGE="${IMAGE_NAME}:${IMAGE_TAG}"
-COMPOSE_PROJECT_NAME="user_service"
-DOCKER_COMPOSE_FILE="./docker-compose.yaml"  # ✅ 关键修复：等号两侧无空格
-SRC_DIR="./src"
-DOCKERFILE_PATH="${SRC_DIR}/Dockerfile"
-
-# 检查目录和文件存在性的通用函数
-check_exists() {
-    local path="$1"  # 变量引用加引号，避免路径含空格报错
-    local type="$2"  # "file" 或 "dir"
-    local desc="$3"
-    
-    if [ "$type" = "file" ] && [ ! -f "$path" ]; then
-        log_error "缺失必要文件: $desc ($path)"
-        exit 1
-    elif [ "$type" = "dir" ] && [ ! -d "$path" ]; then
-        log_error "缺失必要目录: $desc ($path)"
-        exit 1
-    fi
-}
-
-log_info "===== 开始执行构建脚本 ====="
-
-# 前置检查：确保必要文件和目录存在
-check_exists "$DOCKER_COMPOSE_FILE" "file" "docker-compose配置文件"
-check_exists "$SRC_DIR" "dir" "源代码目录"
-check_exists "$DOCKERFILE_PATH" "file" "Dockerfile"
-
-# 步骤1：停止docker-compose服务（变量引用加引号，兼容路径含空格）
-log_info "开始停止编排服务: ${COMPOSE_PROJECT_NAME}"
-if docker-compose -f "$DOCKER_COMPOSE_FILE" -p "$COMPOSE_PROJECT_NAME" down; then
-    log_info "编排服务 ${COMPOSE_PROJECT_NAME} 已成功停止"
-else
-    log_warn "编排服务 ${COMPOSE_PROJECT_NAME} 停止失败或未运行，继续执行后续步骤"
-fi
-
-# 步骤2：删除现有镜像（忽略不存在的情况）
-log_info "尝试删除现有镜像: ${FULL_IMAGE}"
-if sudo docker rmi -f "${FULL_IMAGE}" >/dev/null 2>&1; then
-    log_info "镜像 ${FULL_IMAGE} 删除成功"
-else
-    log_warn "镜像 ${FULL_IMAGE} 不存在或无法删除，跳过删除步骤"
-fi
-
-# 步骤3：构建新镜像（切换到src目录，避免路径问题）
-log_info "开始构建新镜像: ${FULL_IMAGE}（Dockerfile位于${DOCKERFILE_PATH}）"
-if cd "$SRC_DIR" && sudo docker build -t "${FULL_IMAGE}" -f Dockerfile .; then
-    log_info "镜像 ${FULL_IMAGE} 构建成功"
-else
-    log_error "镜像 ${FULL_IMAGE} 构建失败"
-    exit 1
-fi
-
-# 步骤4：启动docker-compose服务（变量引用加引号）
-log_info "开始启动编排服务: ${COMPOSE_PROJECT_NAME}"
-cd ..
-if docker-compose -f "$DOCKER_COMPOSE_FILE" -p "$COMPOSE_PROJECT_NAME" up -d; then
-    log_info "编排服务 ${COMPOSE_PROJECT_NAME} 已成功启动"
-    # 额外输出运行状态，提升用户体验
-    log_info "当前运行的容器："
-    docker-compose -f "$DOCKER_COMPOSE_FILE" -p "$COMPOSE_PROJECT_NAME" ps
-else
-    log_error "编排服务 ${COMPOSE_PROJECT_NAME} 启动失败"
-    exit 1
-fi
-
-log_info "===== 构建脚本执行完成 ====="

backend/user/dev-test.sh

@@ -1 +0,0 @@
-docker run -itd --name go_user_dev -v $(pwd)/src:/app -p 20000:80 golang:1.25.0-alpine3.22

backend/user/dev.sh

@@ -1,35 +0,0 @@
-#!/bin/bash
-
-# 日志函数
-log_info() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DEV_COMPOSE] $1"
-}
-
-log_error() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DEV_ERROR] $1" >&2
-}
-
-# 获取脚本所在目录的绝对路径
-SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
-# 拼接得到 docker-compose 文件的绝对路径
-COMPOSE_FILE="$SCRIPT_DIR/docker-compose-dev.yaml"
-
-log_info "开始启动开发环境docker-compose服务"
-
-# 检查文件是否存在
-if [ ! -f "$COMPOSE_FILE" ]; then
-    log_error "未找到docker-compose文件: $COMPOSE_FILE"
-    exit 1
-fi
-
-# 启动服务
-log_info "执行命令: sudo docker-compose -f $COMPOSE_FILE up -d"
-if sudo docker-compose -f "$COMPOSE_FILE" up -d; then
-    log_info "开发环境服务启动成功"
-    # 额外输出运行中的容器信息
-    log_info "当前运行的容器:"
-    sudo docker-compose -f "$COMPOSE_FILE" ps
-else
-    log_error "开发环境服务启动失败"
-    exit 1
-fi

backend/user/scripts/db-lanuch-entrypoint.sh

@@ -1,59 +0,0 @@
-#!/bin/sh
-set -e
-
-# 日志函数（带时间戳）
-log_info() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DB_INIT] $1"
-}
-
-log_error() {
-    echo "[$(date +'%Y-%m-%d %H:%M:%S')] [DB_ERROR] $1" >&2
-}
-
-# 1. 启动PostgreSQL服务
-log_info "启动PostgreSQL服务（后台运行）"
-docker-entrypoint.sh postgres &
-PG_PID=$!
-log_info "PostgreSQL主进程ID: $PG_PID"
-
-# 2. 等待数据库就绪
-log_info "等待PostgreSQL服务就绪（主机: localhost, 端口: 5432）"
-retry_count=0
-max_retries=30  # 最多等待30秒
-until pg_isready -U "$POSTGRES_USER" -d "$POSTGRES_DB" -h "localhost" -p "5432"; do
-    retry_count=$((retry_count + 1))
-    if [ $retry_count -ge $max_retries ]; then
-        log_error "等待PostgreSQL超时（超过30秒）"
-        exit 1
-    fi
-    log_info "数据库未就绪，等待1秒（重试次数: $retry_count）"
-    sleep 1
-done
-log_info "PostgreSQL服务已就绪"
-
-# 3. 执行SQL脚本
-log_info "开始执行/docker-entrypoint-initdb.d目录下的SQL脚本"
-script_count=0
-for script in /docker-entrypoint-initdb.d/*.sql; do
-    if [ -f "$script" ]; then
-        script_count=$((script_count + 1))
-        log_info "执行脚本 ($script_count): $script"
-        if psql -U "$POSTGRES_USER" -d "$POSTGRES_DB" -h "localhost" -p "5432" -f "$script" --set=ON_ERROR_STOP=1; then
-            log_info "脚本执行成功: $script"
-        else
-            log_error "脚本执行失败: $script"
-            exit 1
-        fi
-    fi
-done
-
-if [ $script_count -eq 0 ]; then
-    log_info "未发现需要执行的SQL脚本"
-else
-    log_info "所有SQL脚本执行完成（共$script_count个）"
-fi
-
-# 4. 等待主进程
-log_info "等待PostgreSQL主进程结束（PID: $PG_PID）"
-wait $PG_PID
-log_info "PostgreSQL进程已退出"

backend/user/sql/01_uuid_v7_setup.sql

@@ -1,48 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
--- 检查并创建UUID扩展（如果不存在）
-CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-
--- 定义检测UUID v7支持的函数
-CREATE OR REPLACE FUNCTION check_uuid_v7_support() RETURNS BOOLEAN AS $$
-DECLARE
-    test_uuid UUID;
-BEGIN
-    BEGIN
-        SELECT gen_random_uuid_v7() INTO test_uuid;
-        RETURN TRUE;
-    EXCEPTION
-        WHEN undefined_function THEN
-            RETURN FALSE;
-    END;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
--- 创建UUID v7兼容函数（修复UUID格式长度问题）
-CREATE OR REPLACE FUNCTION gen_random_uuid_v7() RETURNS uuid AS $$
-DECLARE
-    unix_ts_ms BIGINT;
-    rand_a BIGINT;
-    rand_b BIGINT;
-    hex_str TEXT;
-BEGIN
-    -- 获取当前毫秒级Unix时间戳
-    unix_ts_ms := (EXTRACT(EPOCH FROM NOW()) * 1000)::BIGINT;
-    
-    -- 生成随机数（调整随机数范围以确保总长度正确）
-    rand_a := (random() * (2^20 - 1))::BIGINT;
-    rand_b := (random() * (2^44 - 1))::BIGINT;  -- 从48位调整为44位，减少2个字节
-    
-    -- 组合UUID v7格式（确保总长度为32个十六进制字符）
-    hex_str := 
-        lpad(to_hex(unix_ts_ms >> 12), 8, '0') ||
-        lpad(to_hex((unix_ts_ms & 4095) << 4), 4, '0') ||
-        '7' || lpad(to_hex(rand_a >> 18), 3, '0') ||
-        lpad(to_hex(8 + (rand_a & 16383) >> 12), 2, '0') ||
-        lpad(to_hex(rand_a & 4095), 3, '0') ||
-        lpad(to_hex(rand_b), 11, '0');  -- 从12位调整为11位
-    
-    RETURN hex_str::uuid;
-END;
-$$ LANGUAGE plpgsql VOLATILE;

backend/user/sql/02_create_user_table.sql

@@ -1,30 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_user_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'user') THEN
-        CREATE TABLE "user" (  -- user是关键字，用双引号包裹
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_user_updated_at
-        BEFORE UPDATE ON "user"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_user_modified_column();
-        
-        RAISE NOTICE 'Created user table and trigger';
-    ELSE
-        RAISE NOTICE 'user table already exists';
-    END IF;
-END $$;

backend/user/sql/03_create_account_table.sql

@@ -1,32 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_account_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'account') THEN
-        CREATE TABLE account (
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            user_id UUID NOT NULL,
-            account VARCHAR NOT NULL,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_account_updated_at
-        BEFORE UPDATE ON "account"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_account_modified_column();
-        
-        RAISE NOTICE 'Created account table and trigger';
-    ELSE
-        RAISE NOTICE 'account table already exists';
-    END IF;
-END $$;

backend/user/sql/04_create_password_table.sql

@@ -1,32 +0,0 @@
--- 切换到目标数据库
-\c postgres;
-
-CREATE OR REPLACE FUNCTION update_password_modified_column()
-RETURNS TRIGGER AS $$
-BEGIN
-    NEW.updated_at = CURRENT_TIMESTAMP;
-    RETURN NEW;
-END;
-$$ LANGUAGE plpgsql VOLATILE;
-
-DO $$
-BEGIN
-    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'password') THEN
-        CREATE TABLE password (
-            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
-            user_id UUID NOT NULL,
-            password VARCHAR NOT NULL,
-            deleted BOOLEAN NOT NULL DEFAULT FALSE,
-            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
-        );
-        CREATE TRIGGER update_password_updated_at
-        BEFORE UPDATE ON "password"
-        FOR EACH ROW
-        EXECUTE FUNCTION update_password_modified_column();
-        
-        RAISE NOTICE 'Created password table and trigger';
-    ELSE
-        RAISE NOTICE 'password table already exists';
-    END IF;
-END $$;

backend/user/sql/05_create_info_view.sql

@@ -1,38 +0,0 @@
-\c postgres;
-
-DO $$
-DECLARE
-    view_exists BOOLEAN;
-BEGIN
-    -- 检查视图是否已存在
-    SELECT EXISTS (
-        SELECT 1 FROM information_schema.views 
-        WHERE table_name = 'user_info_view'
-    ) INTO view_exists;
-
-    -- 创建或更新视图
-    CREATE OR REPLACE VIEW user_info_view AS
-    SELECT 
-        u.id AS user_id,
-        ua.account AS account,
-        up.password AS password,
-        u.deleted AS deleted
-    FROM 
-        "user" u
-    JOIN 
-        account ua ON u.id = ua.user_id
-    JOIN 
-        password up ON u.id = up.user_id
-    WHERE
-        u.deleted = FALSE;
-
-    -- 根据视图是否已存在输出不同提示
-    IF view_exists THEN
-        RAISE NOTICE '视图 user_info_view 已更新';
-    ELSE
-        RAISE NOTICE '视图 user_info_view 已创建';
-    END IF;
-EXCEPTION
-    WHEN OTHERS THEN
-        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
-END $$;

backend/user/src/db/postgres.go

@@ -1,54 +0,0 @@
-package db
-
-import (
-	"database/sql"
-	"fmt"
-	"os"
-	"time"
-	
-	_ "github.com/lib/pq"
-	"go.uber.org/zap"
-)
-
-var DB *sql.DB
-
-// 初始化数据库连接
-func Init() {
-	// 从环境变量获取数据库配置
-	dbHost := os.Getenv("DB_HOST")
-	dbPort := os.Getenv("DB_PORT")
-	dbUser := os.Getenv("DB_USER")
-	dbPassword := os.Getenv("DB_PASSWORD")
-	dbName := os.Getenv("DB_NAME")
-	zap.L().Info(
-		"💡 读取数据库配置",
-		zap.String("host", dbHost),
-		zap.String("port", dbPort),
-		zap.String("user", dbUser),
-		zap.String("dbname", dbName),
-	)
-
-	// 构建数据库连接字符串
-	connStr := fmt.Sprintf(
-		"host=%s port=%s user=%s password=%s dbname=%s sslmode=disable",
-		dbHost, dbPort, dbUser, dbPassword, dbName,
-	)
-
-	var err error
-	DB, err = sql.Open("postgres", connStr)
-	if err != nil {
-		zap.L().Panic("❌ 无法连接数据库", zap.Error(err))
-	}
-	
-	// 设置连接池参数
-    DB.SetMaxOpenConns(100)       // 最大打开连接数
-    DB.SetMaxIdleConns(20)        // 最大空闲连接数
-    DB.SetConnMaxLifetime(time.Hour) // 连接最大存活时间
-
-	// 验证数据库连接
-	if err := DB.Ping(); err != nil {
-		zap.L().Panic("❌ 数据库连接失败", zap.Error(err))
-	}
-
-	zap.L().Info("✅ 数据库连接验证成功")
-}

backend/user/src/dockerfile

@@ -1,38 +0,0 @@
-# ==================== 第一阶段：构建Go程序（构建阶段）====================
-# 使用官方Go镜像作为构建基础，选择与项目匹配的Go版本（示例用1.25.0，可根据实际调整）
-FROM golang:1.25.0-alpine3.22 AS builder
-
-# 设置工作目录（容器内的目录，规范文件位置）
-WORKDIR /app
-
-# 复制go.mod和go.sum（先复制依赖文件，利用Docker缓存机制，避免每次代码变动都重新下载依赖）
-COPY go.mod go.sum ./
-
-# 下载项目依赖（仅当go.mod/go.sum变动时才会重新执行）
-RUN go mod download
-
-# 复制整个项目代码到工作目录
-COPY . .
-
-# 构建Go程序：
-# - CGO_ENABLED=0：禁用CGO，生成静态链接的二进制文件（避免依赖系统库，保证镜像兼容性）
-# - -o app：指定输出二进制文件名为app
-# - ./main.go：指定入口文件
-RUN CGO_ENABLED=0 GOOS=linux go build -o app ./main.go
-
-
-# ==================== 第二阶段：运行程序（运行阶段）====================
-# 使用轻量级的alpine镜像（仅5MB左右，大幅减小最终镜像体积）
-FROM alpine:3.19
-
-# 设置工作目录
-WORKDIR /app
-
-# 从构建阶段复制编译好的二进制文件到当前镜像（仅复制最终产物，减小体积）
-COPY --from=builder /app/app ./
-
-# 暴露程序运行端口（与代码中一致）
-EXPOSE 80
-
-# 容器启动时执行的命令：运行二进制文件
-CMD ["./app"]

backend/user/src/go.sum

@@ -1,133 +0,0 @@
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-github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
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-go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
-golang.org/x/arch v0.20.0 h1:dx1zTU0MAE98U+TQ8BLl7XsJbgze2WnNKF/8tGp/Q6c=
-golang.org/x/arch v0.20.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk=
-golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
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-golang.org/x/net v0.45.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
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-golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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backend/user/src/logger/logger.go

@@ -1,86 +0,0 @@
-package logger
-
-import (
-	"log"
-	"os"
-	"time"
-
-	"github.com/spf13/viper"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-	"gopkg.in/natefinch/lumberjack.v2"
-)
-
-var shanghaiLoc *time.Location
-
-func init() {
-    var err error
-    shanghaiLoc, err = time.LoadLocation("Asia/Shanghai")
-    if err != nil {
-        // 尝试备选时区名称
-        shanghaiLoc, err = time.LoadLocation("PRC")
-        if err != nil {
-            // 若仍失败，手动设置东八区偏移
-            shanghaiLoc = time.FixedZone("CST", 8*3600)
-            log.Printf("警告：加载时区失败，使用手动东八区偏移: %v", err)
-        }
-    }
-}
-
-// Init 初始化日志（依赖配置文件已加载）
-func Init() {
-	// 日志级别转换
-	level := zap.InfoLevel
-	switch viper.GetString("logger.level") {
-	case "debug":
-		level = zap.DebugLevel
-	case "warn":
-		level = zap.WarnLevel
-	case "error":
-		level = zap.ErrorLevel
-	}
-
-	// 日志轮转配置（lumberjack）
-	hook := lumberjack.Logger{
-		Filename:   viper.GetString("logger.path") + "logs/app.log", // 日志文件路径
-		MaxSize:    viper.GetInt("logger.max_size"),            // 单个文件最大大小（MB）
-		MaxBackups: viper.GetInt("logger.max_backup"),          // 最大备份数
-		MaxAge:     viper.GetInt("logger.max_age"),             // 最大保留天数
-		Compress:   true,                                       // 是否压缩
-	}
-
-	// 编码器配置
-	encoderConfig := zapcore.EncoderConfig{
-		TimeKey:        "time",
-		LevelKey:       "level",
-		NameKey:        "logger",
-		CallerKey:      "caller",
-		MessageKey:     "msg",
-		StacktraceKey:  "stacktrace",
-		LineEnding:     zapcore.DefaultLineEnding,
-		EncodeLevel:    zapcore.CapitalLevelEncoder, // 日志级别大写（DEBUG/INFO）
-		EncodeTime:     customTimeEncoder,           // 自定义时间格式
-		EncodeDuration: zapcore.SecondsDurationEncoder,
-		EncodeCaller:   zapcore.ShortCallerEncoder, // 精简调用者路径
-	}
-
-	// 输出配置（控制台+文件）
-	core := zapcore.NewTee(
-		zapcore.NewCore(zapcore.NewConsoleEncoder(encoderConfig), zapcore.AddSync(os.Stdout), level),
-		zapcore.NewCore(zapcore.NewJSONEncoder(encoderConfig), zapcore.AddSync(&hook), level),
-	)
-
-	// 创建logger实例（开启调用者信息和堆栈跟踪）
-	logger := zap.New(core, zap.AddCaller(), zap.AddStacktrace(zap.ErrorLevel))
-	zap.ReplaceGlobals(logger)
-
-	zap.L().Info("✅ 日志初始化成功", zap.String("level", level.String()))
-}
-
-// customTimeEncoder 自定义时间格式（强制东八区，若加载失败则使用UTC）
-func customTimeEncoder(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
-	// 使用提前初始化好的时区，避免每次调用都加载
-	beijingTime := t.In(shanghaiLoc)
-	// 格式化输出
-	enc.AppendString(beijingTime.Format("2006-01-02 15:04:05.000"))
-}

backend/user/src/main.go

@@ -1,53 +0,0 @@
-package main
-
-import (
-	"user/db"
-	"user/logger"
-	"user/logic"
-
-	"github.com/gin-contrib/cors"
-	"github.com/gin-gonic/gin"
-	_ "github.com/lib/pq"
-	"go.uber.org/zap"
-	"time"
-)
-
-func main() {
-	logger.Init()
-	zap.L().Info("🚀 用户服务初始化")
-	zap.L().Info("⌛️ 数据库初始化开始")
-	db.Init()
-	defer db.DB.Close() // 应用退出时关闭连接
-	zap.L().Info("✅ 数据库初始化成功")
-
-	gin.SetMode(gin.ReleaseMode)
-	r := gin.Default()
-
-	// 配置跨域中间件
-	r.Use(cors.New(cors.Config{
-		// 允许所有来源（生产环境建议指定具体域名）
-		AllowOrigins:     []string{"*"},
-		// 允许的请求方法
-		AllowMethods:     []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"},
-		// 允许的请求头
-		AllowHeaders:     []string{"Origin", "Content-Type", "Content-Length", "Accept-Encoding", "X-CSRF-Token", "Authorization", "X-LoginRequest-ID"},
-		// 允许前端读取的响应头
-		ExposeHeaders:    []string{"Content-Length"},
-		// 是否允许携带cookie
-		AllowCredentials: true,
-		// 预检请求的缓存时间
-		MaxAge:           12 * time.Hour,
-	}))
-	zap.L().Info("✅ 配置跨域中间件完成")
-
-	// 登录接口
-	r.POST("/user/login", logic.LoginHandler)
-	zap.L().Info("✅ 登录接口注册完成: POST /user/login")
-	// 注册接口
-	r.POST("/user/register", logic.RegisterHandler)
-	zap.L().Info("✅ 注册接口注册完成: POST /user/register")
-
-	// 启动服务，监听80端口
-	zap.L().Info("✅ 服务启动在80端口")
-	r.Run(":80")
-}

backend/提示词条.md

@@ -1,34 +0,0 @@
----
-分析这个项目，在 create.go  中完成以下需求：
-
-1、接收 name，code 两个参数。
-2、确认提交的 name，code 两个参数不能为空，如果有空，则返回提示。
-3、第二步通过后，在 country 表中，通过: "INSERT INTO country DEFAULT VALUES RETURNING id" 获得ID。
-4、通过 3 中的 id，开启事务保存到 name 和 code 的表中。
----
-分析这个项目，在 delete.go 中完成以下需求：
-
-1、接收 country_id 参数。
-2、确认提交的 country_id 参数不能为空，如果有空，则返回提示。
-3、开启事务处理以下逻辑：
-3.1、把 country 中，country.id==req.country_id 的 deleted 字段更新为true。
-3.2、把 name 中，name.country_id==req.country_id 的 deleted 字段更新为true。
-3.3、把 code code.country_id==req.country_id 的 deleted 字段更新为true。
----
-分析这个项目，在 update.go 中完成以下需求：
-
-1、接收 country_id,name，code 参数。
-2、确认提交的 country_id 参数有不能为空，如果为空，则返回提示。
-3、确认提交的 name，code 两个参数，必须有一个不能为空，如果都为空，则返回提示。
-4、如果 name 不为空，开启事务保存到 name 中。
-5、如果 code 不为空，开启事务保存到 code 中。
-6、如果 name，code 都不为空，开启事务保存到 name，code 中。
----
-分析这个项目，在 read.go 中完成以下需求：
-
-1、接收 country_id，name，code，page，page_size 参数。
-2、确认提交的 country_id，name，code 必须有一个不能为空，如果都为空，则返回提示。
-3、确认提交的 page，page_size, 如果为空，则 page 默认为 1，page_size 默认为20。
-3、根据参数去 country_info_view 中查找数据，并做分页查询。
-4、将查找的数据分页返回。
----

frontend/asset_assistant/lib/main.dart

@@ -1,3 +1,6 @@
+import 'package:asset_assistant/pages/country_page.dart';
+import 'package:asset_assistant/pages/exchange_add_page.dart';
+import 'package:asset_assistant/pages/exchange_page.dart';
 import 'package:asset_assistant/pages/home_page.dart';
 import 'package:asset_assistant/pages/login_page.dart';
 import 'package:flutter/material.dart';
@@ -21,16 +24,20 @@ class MyApp extends StatelessWidget {
       title: '资产助手',
       debugShowCheckedModeBanner: false, // 移除 debug 标签
       initialRoute: initialRoute,
+      // 在MaterialApp的routes中添加
       routes: {
         '/login': (context) => const LoginPage(),
-        '/home': (context) => const HomePage(),
+        '/home': (context) => HomePage(),
+        '/country': (context) => CountryPage(),
+        '/exchange': (context) => ExchangePage(),
+        '/exchange/add': (context) => AddExchangePage(),
       },
       theme: ThemeData(
         // 金融暗夜风格主题配置
         brightness: Brightness.dark,
         colorScheme: ColorScheme.dark(
           primary: const Color(0xFF0070F3), // 主色调：深蓝色
-          secondary: const Color(0xFF64FFDA), // 辅助色：亮青色
+          secondary: const Color(0xFF38B2AC), // 沉稳的绿松石色
           // 将 background 替换为 surface
           surface: const Color(0xFF0F172A), // 背景色：深灰蓝
           // 使用 surfaceContainerHighest 替代 deprecated 的 surfaceVariant

frontend/asset_assistant/lib/pages/country_add_page.dart

@@ -0,0 +1,238 @@
+import 'package:asset_assistant/utils/host_utils.dart';
+import 'package:flutter/material.dart';
+import 'package:dio/dio.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class AddCountryPage extends StatefulWidget {
+  const AddCountryPage({super.key});
+
+  @override
+  State<AddCountryPage> createState() => _AddCountryPageState();
+}
+
+class _AddCountryPageState extends State<AddCountryPage> {
+  // 输入控制器 - 新增国旗控制器
+  final TextEditingController _nameController = TextEditingController();
+  final TextEditingController _codeController = TextEditingController();
+  final TextEditingController _flagController = TextEditingController();
+
+  // 加载状态
+  bool _isLoading = false;
+
+  // 表单验证键
+  final _formKey = GlobalKey<FormState>();
+
+  // 创建国家 - 调整请求数据
+  Future<void> _createCountry() async {
+    if (!_formKey.currentState!.validate()) {
+      return;
+    }
+
+    setState(() {
+      _isLoading = true;
+    });
+
+    try {
+      // 获取用户ID（保持不变）
+      final prefs = await SharedPreferences.getInstance();
+      final userId = prefs.getString('user_id');
+      if (userId == null) {
+        if (mounted) {
+          _showDialog('错误', '请先登录');
+          Navigator.pushReplacementNamed(context, '/login');
+        }
+        return;
+      }
+
+      // 准备请求数据 - 新增flag字段
+      final baseUrl = HostUtils().currentHost;
+      const path = '/country/create';
+      final url = '$baseUrl$path';
+
+      final requestData = {
+        'name': _nameController.text.trim(),
+        'code': _codeController.text.trim(),
+        'flag': _flagController.text.trim(), // 新增国旗参数
+      };
+
+      // 发送请求（保持不变）
+      final dio = Dio();
+      final response = await dio.post(
+        url,
+        data: requestData,
+        options: Options(headers: {'Content-Type': 'application/json'}),
+      );
+
+      // 处理响应（保持不变）
+      if (response.statusCode == 200) {
+        final result = response.data;
+        if (result['success'] == true) {
+          if (mounted) {
+            _showDialog('成功', '国家创建成功', () {
+              Navigator.pop(context, true); // 返回并通知上一页刷新
+            });
+          }
+        } else {
+          if (mounted) {
+            _showDialog('失败', result['message'] ?? '创建失败，请重试');
+          }
+        }
+      } else {
+        if (mounted) {
+          // 处理400错误时获取服务器返回的具体消息
+          String errorMessage = '服务器响应异常: ${response.statusCode}';
+          if (response.statusCode == 400 && response.data != null) {
+            errorMessage = response.data['message'] ?? errorMessage;
+          }
+          _showDialog('错误', errorMessage);
+        }
+      }
+    } on DioException catch (e) {
+      // 异常处理（优化错误信息提取）
+      String errorMessage = '网络请求失败';
+      if (e.response != null) {
+        // 从响应数据中提取错误信息
+        if (e.response?.data != null && e.response?.data['message'] != null) {
+          errorMessage = e.response?.data['message'];
+        } else {
+          errorMessage = '请求失败: ${e.response?.statusCode}';
+        }
+      } else if (e.type == DioExceptionType.connectionTimeout) {
+        errorMessage = '连接超时，请检查网络';
+      } else if (e.type == DioExceptionType.connectionError) {
+        errorMessage = '网络连接错误';
+      }
+
+      if (mounted) {
+        _showDialog('错误', errorMessage);
+      }
+    } catch (e) {
+      if (mounted) {
+        _showDialog('错误', '发生未知错误: $e');
+      }
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+        });
+      }
+    }
+  }
+
+  // 显示对话框（保持不变）
+  void _showDialog(String title, String content, [VoidCallback? onConfirm]) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: Text(title),
+        content: Text(content),
+        actions: [
+          TextButton(
+            onPressed: () {
+              Navigator.pop(context);
+              onConfirm?.call();
+            },
+            child: const Text('确定'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('新增国家'),
+        centerTitle: true,
+        elevation: 4,
+        shadowColor: Colors.black12,
+        backgroundColor: theme.colorScheme.surfaceContainerHighest,
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.save),
+            onPressed: _isLoading ? null : _createCountry,
+          ),
+        ],
+      ),
+      body: SafeArea(
+        child: Container(
+          color: theme.colorScheme.surface,
+          width: double.infinity,
+          padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
+          child: Form(
+            key: _formKey,
+            child: Column(
+              children: [
+                // 国家名称输入框（保持不变）
+                TextFormField(
+                  controller: _nameController,
+                  style: TextStyle(color: theme.colorScheme.onSurface),
+                  decoration: InputDecoration(
+                    labelText: '国家名称',
+                    hintText: '请输入国家名称',
+                    prefixIcon: Icon(
+                      Icons.account_balance,
+                      color: theme.colorScheme.secondary,
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.trim().isEmpty) {
+                      return '请输入国家名称';
+                    }
+                    return null;
+                  },
+                ),
+                const SizedBox(height: 24),
+
+                // 国家代码输入框（保持不变）
+                TextFormField(
+                  controller: _codeController,
+                  style: TextStyle(color: theme.colorScheme.onSurface),
+                  decoration: InputDecoration(
+                    labelText: '国家代码',
+                    hintText: '请输入国家代码',
+                    prefixIcon: Icon(
+                      Icons.code,
+                      color: theme.colorScheme.secondary,
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.trim().isEmpty) {
+                      return '请输入国家代码';
+                    }
+                    return null;
+                  },
+                ),
+                const SizedBox(height: 24),
+
+                // 新增国旗输入框
+                TextFormField(
+                  controller: _flagController,
+                  style: TextStyle(color: theme.colorScheme.onSurface),
+                  decoration: InputDecoration(
+                    labelText: '国旗emoji',
+                    hintText: '请输入国旗图片emoji',
+                    prefixIcon: Icon(
+                      Icons.flag,
+                      color: theme.colorScheme.secondary,
+                    ),
+                  ),
+                  // 国旗为可选字段，不添加验证器
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

frontend/asset_assistant/lib/pages/country_home.dart

@@ -1,396 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:dio/dio.dart';
-import 'dart:developer'; // 引入日志工具
-
-// 国家数据模型
-class Country {
-  final String countryId;
-  final String name;
-  final String code;
-
-  Country({required this.countryId, required this.name, required this.code});
-
-  // 从JSON构建对象
-  factory Country.fromJson(Map<String, dynamic> json) {
-    return Country(
-      countryId: json['country_id'],
-      name: json['name'],
-      code: json['code'],
-    );
-  }
-
-  // 转换为JSON
-  Map<String, dynamic> toJson() {
-    return {'country_id': countryId, 'name': name, 'code': code};
-  }
-}
-
-class CountryHomePage extends StatefulWidget {
-  const CountryHomePage({super.key});
-
-  @override
-  State<CountryHomePage> createState() => _CountryHomePageState();
-}
-
-class _CountryHomePageState extends State<CountryHomePage> {
-  // 文本编辑控制器
-  final TextEditingController _nameController = TextEditingController();
-  final TextEditingController _codeController = TextEditingController();
-
-  // 国家列表
-  List<Country> _countries = [];
-  bool _isLoading = false;
-
-  // Dio实例
-  final Dio _dio = Dio();
-  final String _baseUrl = 'https://api.fishestlife.com';
-
-  @override
-  void initState() {
-    super.initState();
-    _fetchCountries();
-  }
-
-  // 获取国家列表
-  Future<void> _fetchCountries() async {
-    setState(() {
-      _isLoading = true;
-    });
-
-    try {
-      final response = await _dio.post(
-        '$_baseUrl/country/read',
-        data: {}, // 空参数表示获取所有国家
-      );
-
-      if (response.data['success'] == true) {
-        final List<dynamic> items = response.data['data']['items'];
-        setState(() {
-          _countries = items.map((item) => Country.fromJson(item)).toList();
-        });
-      } else {
-        _showErrorDialog('获取失败', response.data['message'] ?? '未知错误');
-      }
-    } catch (e) {
-      // 添加网络异常日志
-      log('获取国家列表网络异常', error: e, stackTrace: StackTrace.current);
-      _showErrorDialog('网络错误', e.toString());
-    } finally {
-      setState(() {
-        _isLoading = false;
-      });
-    }
-  }
-
-  // 创建新国家
-  Future<void> _createCountry() async {
-    final name = _nameController.text.trim();
-    final code = _codeController.text.trim();
-
-    if (name.isEmpty || code.isEmpty) {
-      _showErrorDialog('输入错误', '国家名称和代码不能为空');
-      return;
-    }
-
-    setState(() {
-      _isLoading = true;
-    });
-
-    try {
-      final response = await _dio.post(
-        '$_baseUrl/country/create',
-        data: {'name': name, 'code': code},
-      );
-
-      if (response.data['success'] == true) {
-        // 清空输入框
-        _nameController.clear();
-        _codeController.clear();
-        // 重新获取列表
-        _fetchCountries();
-        ScaffoldMessenger.of(
-          context,
-        ).showSnackBar(const SnackBar(content: Text('创建成功')));
-      } else {
-        _showErrorDialog('创建失败', response.data['message'] ?? '未知错误');
-      }
-    } catch (e) {
-      // 添加网络异常日志
-      log('创建国家网络异常', error: e, stackTrace: StackTrace.current);
-      _showErrorDialog('网络错误', e.toString());
-    } finally {
-      setState(() {
-        _isLoading = false;
-      });
-    }
-  }
-
-  // 更新国家信息
-  Future<void> _updateCountry(Country country) async {
-    setState(() {
-      _isLoading = true;
-    });
-
-    try {
-      final response = await _dio.post(
-        '$_baseUrl/country/update',
-        data: country.toJson(),
-      );
-
-      if (response.data['success'] == true) {
-        _fetchCountries();
-        ScaffoldMessenger.of(
-          context,
-        ).showSnackBar(const SnackBar(content: Text('更新成功')));
-      } else {
-        _showErrorDialog('更新失败', response.data['message'] ?? '未知错误');
-      }
-    } catch (e) {
-      // 添加网络异常日志
-      log('更新国家网络异常', error: e, stackTrace: StackTrace.current);
-      _showErrorDialog('网络错误', e.toString());
-    } finally {
-      setState(() {
-        _isLoading = false;
-      });
-    }
-  }
-
-  // 删除国家
-  Future<void> _deleteCountry(String countryId) async {
-    if (!await _showConfirmationDialog('确认删除', '确定要删除这个国家吗？')) {
-      return;
-    }
-
-    setState(() {
-      _isLoading = true;
-    });
-
-    try {
-      final response = await _dio.post(
-        '$_baseUrl/country/delete',
-        data: {'country_id': countryId},
-      );
-
-      if (response.data['success'] == true) {
-        _fetchCountries();
-        ScaffoldMessenger.of(
-          context,
-        ).showSnackBar(const SnackBar(content: Text('删除成功')));
-      } else {
-        _showErrorDialog('删除失败', response.data['message'] ?? '未知错误');
-      }
-    } catch (e) {
-      // 添加网络异常日志
-      log('删除国家网络异常', error: e, stackTrace: StackTrace.current);
-      _showErrorDialog('网络错误', e.toString());
-    } finally {
-      setState(() {
-        _isLoading = false;
-      });
-    }
-  }
-
-  // 显示编辑对话框
-  void _showEditDialog(Country country) {
-    final TextEditingController nameController = TextEditingController(
-      text: country.name,
-    );
-    final TextEditingController codeController = TextEditingController(
-      text: country.code,
-    );
-
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('编辑国家'),
-        content: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            TextField(
-              controller: nameController,
-              decoration: const InputDecoration(labelText: '国家名称'),
-            ),
-            TextField(
-              controller: codeController,
-              decoration: const InputDecoration(labelText: '国家代码'),
-            ),
-          ],
-        ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: const Text('取消'),
-          ),
-          TextButton(
-            onPressed: () {
-              final updatedCountry = Country(
-                countryId: country.countryId,
-                name: nameController.text.trim(),
-                code: codeController.text.trim(),
-              );
-              _updateCountry(updatedCountry);
-              Navigator.pop(context);
-            },
-            child: const Text('保存'),
-          ),
-        ],
-      ),
-    );
-  }
-
-  // 显示错误对话框
-  void _showErrorDialog(String title, String message) {
-    showDialog(
-      context: context,
-      builder: (context) => AlertDialog(
-        title: Text(title),
-        content: Text(message),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(context),
-            child: const Text('确定'),
-          ),
-        ],
-      ),
-    );
-  }
-
-  // 显示确认对话框
-  Future<bool> _showConfirmationDialog(String title, String message) async {
-    return await showDialog(
-          context: context,
-          builder: (context) => AlertDialog(
-            title: Text(title),
-            content: Text(message),
-            actions: [
-              TextButton(
-                onPressed: () => Navigator.pop(context, false),
-                child: const Text('取消'),
-              ),
-              TextButton(
-                onPressed: () => Navigator.pop(context, true),
-                child: const Text('确认'),
-              ),
-            ],
-          ),
-        ) ??
-        false;
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(title: const Text('国家管理')),
-      body: Column(
-        children: [
-          // 顶部输入区域
-          Padding(
-            padding: const EdgeInsets.all(16.0),
-            child: Card(
-              elevation: 4,
-              child: Padding(
-                padding: const EdgeInsets.all(16.0),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.stretch,
-                  children: [
-                    const Text(
-                      '添加新国家',
-                      style: TextStyle(
-                        fontSize: 18,
-                        fontWeight: FontWeight.bold,
-                      ),
-                    ),
-                    const SizedBox(height: 16),
-                    TextField(
-                      controller: _nameController,
-                      decoration: const InputDecoration(
-                        labelText: '国家名称',
-                        border: OutlineInputBorder(),
-                      ),
-                    ),
-                    const SizedBox(height: 16),
-                    TextField(
-                      controller: _codeController,
-                      decoration: const InputDecoration(
-                        labelText: '国家代码',
-                        border: OutlineInputBorder(),
-                      ),
-                    ),
-                    const SizedBox(height: 16),
-                    ElevatedButton(
-                      onPressed: _isLoading ? null : _createCountry,
-                      child: _isLoading
-                          ? const CircularProgressIndicator()
-                          : const Text('保存'),
-                    ),
-                  ],
-                ),
-              ),
-            ),
-          ),
-
-          // 底部列表区域
-          Expanded(
-            child: _isLoading
-                ? const Center(child: CircularProgressIndicator())
-                : _countries.isEmpty
-                ? const Center(child: Text('没有国家数据'))
-                : GridView.builder(
-                    padding: const EdgeInsets.all(16),
-                    gridDelegate:
-                        const SliverGridDelegateWithFixedCrossAxisCount(
-                          crossAxisCount: 1,
-                          childAspectRatio: 4,
-                          crossAxisSpacing: 10,
-                          mainAxisSpacing: 10,
-                        ),
-                    itemCount: _countries.length,
-                    itemBuilder: (context, index) {
-                      final country = _countries[index];
-                      return Card(
-                        elevation: 2,
-                        child: Padding(
-                          padding: const EdgeInsets.all(16),
-                          child: Row(
-                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                            children: [
-                              // 国家名称（可点击编辑）
-                              InkWell(
-                                onTap: () => _showEditDialog(country),
-                                child: Column(
-                                  crossAxisAlignment: CrossAxisAlignment.start,
-                                  mainAxisAlignment: MainAxisAlignment.center,
-                                  children: [
-                                    Text(
-                                      country.name,
-                                      style: const TextStyle(
-                                        fontSize: 18,
-                                        fontWeight: FontWeight.bold,
-                                      ),
-                                    ),
-                                    Text('代码: ${country.code}'),
-                                  ],
-                                ),
-                              ),
-                              // 删除按钮
-                              IconButton(
-                                icon: const Icon(
-                                  Icons.delete,
-                                  color: Colors.red,
-                                ),
-                                onPressed: () =>
-                                    _deleteCountry(country.countryId),
-                              ),
-                            ],
-                          ),
-                        ),
-                      );
-                    },
-                  ),
-          ),
-        ],
-      ),
-    );
-  }
-}

frontend/asset_assistant/lib/pages/country_page.dart

@@ -0,0 +1,439 @@
+import 'package:asset_assistant/pages/country_add_page.dart';
+import 'package:asset_assistant/utils/host_utils.dart';
+import 'package:flutter/material.dart';
+import 'package:dio/dio.dart';
+
+// 国家数据模型（flag字段存储emoji）
+class Country {
+  final String countryId;
+  final String name;
+  final String code;
+  final String? flag; // 国旗字段，存储emoji
+
+  Country({
+    required this.countryId,
+    required this.name,
+    required this.code,
+    this.flag,
+  });
+
+  // 从JSON构建对象
+  factory Country.fromJson(Map<String, dynamic> json) {
+    return Country(
+      countryId: json['country_id'],
+      name: json['name'],
+      code: json['code'],
+      flag: json['flag'], // 解析emoji字段
+    );
+  }
+}
+
+// 接口响应模型
+class CountryResponse {
+  final bool success;
+  final String message;
+  final CountryData data;
+
+  CountryResponse({
+    required this.success,
+    required this.message,
+    required this.data,
+  });
+
+  factory CountryResponse.fromJson(Map<String, dynamic> json) {
+    return CountryResponse(
+      success: json['success'],
+      message: json['message'],
+      data: CountryData.fromJson(json['data']),
+    );
+  }
+}
+
+// 响应数据模型
+class CountryData {
+  final int total;
+  final int page;
+  final int pageSize;
+  final List<Country> items;
+
+  CountryData({
+    required this.total,
+    required this.page,
+    required this.pageSize,
+    required this.items,
+  });
+
+  factory CountryData.fromJson(Map<String, dynamic> json) {
+    var itemsList = json['items'] as List? ?? [];
+    List<Country> items = itemsList.map((i) => Country.fromJson(i)).toList();
+
+    return CountryData(
+      total: json['total'],
+      page: json['page'],
+      pageSize: json['page_size'],
+      items: items,
+    );
+  }
+}
+
+class CountryPage extends StatefulWidget {
+  const CountryPage({super.key});
+
+  @override
+  State<CountryPage> createState() => _CountryPageState();
+}
+
+class _CountryPageState extends State<CountryPage> {
+  List<Country> _countries = [];
+  bool _isLoading = true;
+  String? _errorMessage;
+  int _currentPage = 1;
+  final int _pageSize = 20;
+  bool _hasMoreData = true;
+  late ScrollController _scrollController;
+
+  @override
+  void initState() {
+    super.initState();
+    _scrollController = ScrollController();
+    _scrollController.addListener(_onScroll);
+    _fetchCountries();
+  }
+
+  @override
+  void dispose() {
+    _scrollController.dispose();
+    super.dispose();
+  }
+
+  void _onScroll() {
+    if (_isLoading) return;
+    if (_hasMoreData &&
+        _scrollController.position.pixels >=
+            _scrollController.position.maxScrollExtent - 200) {
+      _loadMore();
+    }
+  }
+
+  Future<void> _fetchCountries({bool isRefresh = false}) async {
+    if (isRefresh) {
+      setState(() {
+        _currentPage = 1;
+        _hasMoreData = true;
+      });
+    }
+
+    if (!_hasMoreData && !isRefresh) return;
+
+    setState(() {
+      _isLoading = true;
+    });
+
+    try {
+      final baseUrl = HostUtils().currentHost;
+      final path = '/country/read';
+      final url = '$baseUrl$path';
+      debugPrint('====== 开始请求国家列表 ======');
+      debugPrint('请求URL: $url');
+      debugPrint('请求参数: page=$_currentPage, page_size=$_pageSize');
+
+      final dio = Dio();
+      final response = await dio.post(
+        url,
+        data: {
+          'page': _currentPage,
+          'page_size': _pageSize,
+          'name': '',
+          'code': '',
+          'country_id': '',
+          'flag': '',
+        },
+        options: Options(
+          headers: {'Content-Type': 'application/x-www-form-urlencoded'},
+        ),
+      );
+
+      debugPrint('请求成功，状态码: ${response.statusCode}');
+      debugPrint('响应数据: ${response.data}');
+
+      if (response.statusCode == 200) {
+        final CountryResponse countryResponse = CountryResponse.fromJson(
+          response.data,
+        );
+
+        if (countryResponse.success) {
+          setState(() {
+            if (isRefresh) {
+              _countries = countryResponse.data.items;
+            } else {
+              _countries.addAll(countryResponse.data.items);
+            }
+
+            _hasMoreData = _countries.length < countryResponse.data.total;
+            _currentPage++;
+            _errorMessage = null;
+          });
+          debugPrint('数据解析成功，当前列表总数: ${_countries.length}');
+          debugPrint('是否还有更多数据: $_hasMoreData，下一页: $_currentPage');
+        } else {
+          setState(() {
+            _errorMessage = countryResponse.message;
+          });
+          debugPrint('接口返回失败: ${countryResponse.message}');
+        }
+      } else {
+        setState(() {
+          _errorMessage = '服务器响应异常: ${response.statusCode}';
+        });
+        debugPrint('服务器响应异常: ${response.statusCode}');
+      }
+    } on DioException catch (e) {
+      String errorMsg = '网络请求失败';
+      if (e.response != null) {
+        errorMsg = '请求失败: ${e.response?.statusCode}';
+        debugPrint(
+          '请求错误，状态码: ${e.response?.statusCode}，响应数据: ${e.response?.data}',
+        );
+      } else if (e.type == DioExceptionType.connectionTimeout) {
+        errorMsg = '连接超时，请检查网络';
+        debugPrint('连接超时: ${e.message}');
+      } else if (e.type == DioExceptionType.connectionError) {
+        errorMsg = '网络连接错误';
+        debugPrint('网络连接错误: ${e.message}');
+      } else {
+        debugPrint('Dio异常: ${e.type}，消息: ${e.message}');
+      }
+      setState(() {
+        _errorMessage = errorMsg;
+      });
+    } catch (e) {
+      setState(() {
+        _errorMessage = '发生未知错误: $e';
+      });
+      debugPrint('未知错误: $e');
+    } finally {
+      setState(() {
+        _isLoading = false;
+      });
+      debugPrint('====== 请求结束 ======\n');
+    }
+  }
+
+  Future<void> _refresh() async {
+    debugPrint('触发下拉刷新');
+    await _fetchCountries(isRefresh: true);
+  }
+
+  void _loadMore() {
+    if (!_isLoading && _hasMoreData) {
+      debugPrint('触发加载更多，当前页: $_currentPage');
+      _fetchCountries();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('国家列表'),
+        centerTitle: true,
+        elevation: 4,
+        shadowColor: Colors.black12,
+        backgroundColor: theme.colorScheme.surfaceContainerHighest,
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.add),
+            onPressed: () async {
+              debugPrint('点击新增按钮，跳转到新增页面');
+              final result = await Navigator.push(
+                context,
+                MaterialPageRoute(builder: (context) => const AddCountryPage()),
+              );
+              if (result == true) {
+                debugPrint('从新增页面返回，刷新列表数据');
+                _fetchCountries(isRefresh: true);
+              }
+            },
+          ),
+        ],
+      ),
+      body: SafeArea(child: _buildBody(theme)),
+    );
+  }
+
+  Widget _buildBody(ThemeData theme) {
+    // 加载中且列表为空
+    if (_isLoading && _countries.isEmpty) {
+      return const Center(child: CircularProgressIndicator());
+    }
+
+    // 有错误信息且列表为空
+    if (_errorMessage != null && _countries.isEmpty) {
+      return Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text(
+              _errorMessage!,
+              style: TextStyle(color: theme.colorScheme.error),
+            ),
+            const SizedBox(height: 16),
+            ElevatedButton(
+              onPressed: () => _fetchCountries(isRefresh: true),
+              child: const Text('重试'),
+            ),
+          ],
+        ),
+      );
+    }
+
+    // 无数据状态（列表为空且无错误）
+    if (_countries.isEmpty) {
+      return Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            // 无数据背景图标
+            Icon(
+              Icons.flag_outlined,
+              size: 120,
+              color: theme.colorScheme.onSurface.withOpacity(0.1),
+            ),
+            const SizedBox(height: 24),
+            // 无数据提示文字
+            Text(
+              '暂无国家数据',
+              style: theme.textTheme.titleLarge?.copyWith(
+                color: theme.colorScheme.onSurface.withOpacity(0.5),
+              ),
+            ),
+            const SizedBox(height: 16),
+            // 刷新按钮
+            IconButton(
+              icon: Icon(
+                Icons.refresh,
+                size: 28,
+                color: theme.colorScheme.primary,
+              ),
+              onPressed: () => _fetchCountries(isRefresh: true),
+              tooltip: '刷新数据',
+            ),
+          ],
+        ),
+      );
+    }
+
+    // 正常列表展示
+    return RefreshIndicator(
+      onRefresh: _refresh,
+      child: ListView.builder(
+        padding: const EdgeInsets.symmetric(vertical: 8),
+        itemCount: _countries.length + (_hasMoreData ? 1 : 0),
+        itemBuilder: (context, index) {
+          if (index < _countries.length) {
+            final country = _countries[index];
+            return _buildCountryItem(theme, country);
+          } else {
+            return Padding(
+              padding: const EdgeInsets.symmetric(vertical: 16),
+              child: Center(
+                child: _isLoading
+                    ? const CircularProgressIndicator()
+                    : const Text('没有更多数据了'),
+              ),
+            );
+          }
+        },
+        controller: _scrollController,
+      ),
+    );
+  }
+
+  Widget _buildCountryItem(ThemeData theme, Country country) {
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Material(
+          color: Colors.transparent,
+          child: InkWell(
+            onTap: () {
+              // 可以添加点击事件
+            },
+            borderRadius: BorderRadius.circular(8),
+            splashColor: theme.colorScheme.primary.withAlpha(26),
+            highlightColor: theme.colorScheme.primary.withAlpha(13),
+            child: Container(
+              height: 64,
+              padding: const EdgeInsets.symmetric(horizontal: 16),
+              child: Row(
+                children: [
+                  // 国旗Emoji展示区域
+                  Container(
+                    width: 40,
+                    height: 40,
+                    decoration: BoxDecoration(
+                      color: theme.colorScheme.surfaceContainerHighest,
+                      borderRadius: BorderRadius.circular(8),
+                    ),
+                    child: Center(
+                      child: Text(
+                        // 显示国旗emoji，如果没有则显示默认图标
+                        country.flag != null && country.flag!.isNotEmpty
+                            ? country.flag!
+                            : '',
+                        style: const TextStyle(fontSize: 24), // 适当调整emoji大小
+                      ),
+                    ),
+                  ),
+                  const SizedBox(width: 16),
+                  Expanded(
+                    child: Column(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Text(
+                          country.name,
+                          style: theme.textTheme.titleMedium?.copyWith(
+                            fontWeight: FontWeight.w500,
+                            color: theme.colorScheme.onSurface,
+                          ),
+                        ),
+                        const SizedBox(height: 4),
+                        Text(
+                          '代码: ${country.code}',
+                          style: theme.textTheme.bodySmall?.copyWith(
+                            color: theme.colorScheme.onSurfaceVariant,
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                  Icon(
+                    Icons.arrow_forward_ios,
+                    size: 18,
+                    color: theme.hintColor,
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+        Divider(
+          height: 1,
+          thickness: 1,
+          indent: 72,
+          endIndent: 16,
+          color: theme.dividerColor,
+        ),
+      ],
+    );
+  }
+}

frontend/asset_assistant/lib/pages/exchange_add_page.dart

@@ -0,0 +1,209 @@
+import 'package:asset_assistant/utils/host_utils.dart';
+import 'package:flutter/material.dart';
+import 'package:dio/dio.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class AddExchangePage extends StatefulWidget {
+  const AddExchangePage({super.key});
+
+  @override
+  State<AddExchangePage> createState() => _AddExchangePageState();
+}
+
+class _AddExchangePageState extends State<AddExchangePage> {
+  // 输入控制器
+  final TextEditingController _nameController = TextEditingController();
+  final TextEditingController _codeController = TextEditingController();
+
+  // 加载状态
+  bool _isLoading = false;
+
+  // 表单验证键
+  final _formKey = GlobalKey<FormState>();
+
+  // 创建交易所
+  Future<void> _createExchange() async {
+    if (!_formKey.currentState!.validate()) {
+      return;
+    }
+
+    setState(() {
+      _isLoading = true;
+    });
+
+    try {
+      // 获取用户ID
+      final prefs = await SharedPreferences.getInstance();
+      final userId = prefs.getString('user_id');
+      if (userId == null) {
+        if (mounted) {
+          _showDialog('错误', '请先登录');
+          Navigator.pushReplacementNamed(context, '/login');
+        }
+        return;
+      }
+
+      // 准备请求数据
+      final baseUrl = HostUtils().currentHost;
+      const path = '/exchange/create';
+      final url = '$baseUrl$path';
+
+      final requestData = {
+        'name': _nameController.text.trim(),
+        'code': _codeController.text.trim(),
+      };
+
+      // 发送请求
+      final dio = Dio();
+      final response = await dio.post(
+        url,
+        data: requestData,
+        options: Options(headers: {'Content-Type': 'application/json'}),
+      );
+
+      // 处理响应
+      if (response.statusCode == 200) {
+        final result = response.data;
+        if (result['success'] == true) {
+          if (mounted) {
+            _showDialog('成功', '交易所创建成功', () {
+              Navigator.pop(context, true); // 返回并通知上一页刷新
+            });
+          }
+        } else {
+          if (mounted) {
+            _showDialog('失败', result['message'] ?? '创建失败，请重试');
+          }
+        }
+      } else {
+        if (mounted) {
+          _showDialog('错误', '服务器响应异常: ${response.statusCode}');
+        }
+      }
+    } on DioException catch (e) {
+      String errorMessage = '网络请求失败';
+      if (e.response != null) {
+        errorMessage = '请求失败: ${e.response?.statusCode}';
+      } else if (e.type == DioExceptionType.connectionTimeout) {
+        errorMessage = '连接超时，请检查网络';
+      } else if (e.type == DioExceptionType.connectionError) {
+        errorMessage = '网络连接错误';
+      }
+
+      if (mounted) {
+        _showDialog('错误', errorMessage);
+      }
+    } catch (e) {
+      if (mounted) {
+        _showDialog('错误', '发生未知错误: $e');
+      }
+    } finally {
+      if (mounted) {
+        setState(() {
+          _isLoading = false;
+        });
+      }
+    }
+  }
+
+  // 显示对话框
+  void _showDialog(String title, String content, [VoidCallback? onConfirm]) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: Text(title),
+        content: Text(content),
+        actions: [
+          TextButton(
+            onPressed: () {
+              Navigator.pop(context);
+              onConfirm?.call();
+            },
+            child: const Text('确定'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('新增交易所'),
+        centerTitle: true,
+        elevation: 4,
+        shadowColor: Colors.black12,
+        backgroundColor: theme.colorScheme.surfaceContainerHighest,
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.save),
+            onPressed: _isLoading ? null : _createExchange,
+          ),
+        ],
+      ),
+      body: SafeArea(
+        child: Container(
+          color: theme.colorScheme.surface,
+          width: double.infinity,
+          padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
+          child: Form(
+            key: _formKey,
+            child: Column(
+              children: [
+                // 交易所名称输入框
+                TextFormField(
+                  controller: _nameController,
+                  style: TextStyle(color: theme.colorScheme.onSurface),
+                  decoration: InputDecoration(
+                    labelText: '交易所名称',
+                    hintText: '请输入交易所名称',
+                    prefixIcon: Icon(
+                      Icons.account_balance,
+                      color: theme.colorScheme.secondary,
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.trim().isEmpty) {
+                      return '请输入交易所名称';
+                    }
+                    return null;
+                  },
+                ),
+                const SizedBox(height: 24),
+
+                // 交易所代码输入框
+                TextFormField(
+                  controller: _codeController,
+                  style: TextStyle(color: theme.colorScheme.onSurface),
+                  decoration: InputDecoration(
+                    labelText: '交易所代码',
+                    hintText: '请输入交易所代码',
+                    prefixIcon: Icon(
+                      Icons.code,
+                      color: theme.colorScheme.secondary,
+                    ),
+                  ),
+                  validator: (value) {
+                    if (value == null || value.trim().isEmpty) {
+                      return '请输入交易所代码';
+                    }
+                    return null;
+                  },
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

frontend/asset_assistant/lib/pages/exchange_page.dart

@@ -0,0 +1,138 @@
+import 'package:asset_assistant/pages/exchange_add_page.dart';
+import 'package:flutter/material.dart';
+
+class ExchangePage extends StatelessWidget {
+  // 功能列表数据
+  final List<Map<String, dynamic>> features = [
+    {'icon': Icons.bar_chart, 'title': '数据分析'},
+    {'icon': Icons.balance, 'title': '交易'},
+    {'icon': Icons.account_balance, 'title': '交易所'},
+    {'icon': Icons.branding_watermark, 'title': '品种'},
+  ];
+
+  ExchangePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('交易所'),
+        centerTitle: true,
+        elevation: 4,
+        shadowColor: Colors.black12,
+        backgroundColor: theme.colorScheme.surfaceContainerHighest,
+        // 1. 左上角返回按钮及功能实现
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () {
+            Navigator.of(context).pop(); // 返回上一页
+          },
+        ),
+        // 2. 右上角添加按钮（展示功能）
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.add),
+            onPressed: () {
+              // 跳转到AddExchangePage
+              Navigator.push(
+                context,
+                MaterialPageRoute(builder: (context) => AddExchangePage()),
+              );
+            },
+          ),
+        ],
+      ),
+      // 使用SafeArea确保内容在安全区域内
+      body: SafeArea(
+        // 移除不必要的Expanded，避免约束冲突
+        child: Container(
+          color: theme.colorScheme.surface,
+          // 让容器占满整个可用空间
+          width: double.infinity,
+          height: double.infinity,
+          child: ListView.builder(
+            // 修改为ListView.builder
+            padding: const EdgeInsets.symmetric(vertical: 8),
+            itemCount: features.length,
+            // 优化Web端滚动物理效果，同时支持触摸和鼠标滚动
+            physics: const ScrollPhysics(parent: BouncingScrollPhysics()),
+            itemBuilder: (context, index) {
+              // 构建列表项
+              Widget item = _buildFeatureItem(
+                context: context,
+                icon: features[index]['icon'],
+                title: features[index]['title'],
+              );
+
+              // 在每个列表项下方添加分割线，包括最后一个
+              return Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  item,
+                  Divider(
+                    height: 1,
+                    thickness: 1,
+                    indent: 72,
+                    endIndent: 16,
+                    color: theme.dividerColor,
+                  ),
+                ],
+              );
+            },
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildFeatureItem({
+    required BuildContext context,
+    required IconData icon,
+    required String title,
+  }) {
+    final theme = Theme.of(context);
+
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        onTap: () {
+          // 点击事件可以在这里添加
+        },
+        borderRadius: BorderRadius.circular(8),
+        splashColor: theme.colorScheme.primary.withAlpha(26), // 0.1透明度的alpha值
+        highlightColor: theme.colorScheme.primary.withAlpha(
+          13,
+        ), // 0.05透明度的alpha值
+        child: Container(
+          height: 64,
+          padding: const EdgeInsets.symmetric(horizontal: 16),
+          child: Row(
+            children: [
+              Container(
+                width: 40,
+                height: 40,
+                decoration: BoxDecoration(
+                  color: theme.colorScheme.surfaceContainerHighest,
+                  borderRadius: BorderRadius.circular(8),
+                ),
+                child: Icon(icon, size: 24, color: theme.colorScheme.secondary),
+              ),
+              const SizedBox(width: 16),
+              Text(
+                title,
+                style: theme.textTheme.titleMedium?.copyWith(
+                  fontWeight: FontWeight.w500,
+                  color: theme.colorScheme.onSurface,
+                ),
+              ),
+              const Spacer(),
+              Icon(Icons.arrow_forward_ios, size: 18, color: theme.hintColor),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

frontend/asset_assistant/lib/pages/home_page.dart

@@ -1,216 +1,154 @@
-import 'package:asset_assistant/pages/country_home.dart';
 import 'package:flutter/material.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
-// 定义功能和子功能数据模型
+class HomePage extends StatelessWidget {
-class FunctionItem {
+  // 功能列表数据 - 为交易所项添加路由信息
-  final String name;
+  final List<Map<String, dynamic>> features = [
-  final List<SubFunctionItem> subFunctions;
+    {'icon': Icons.bar_chart, 'title': '数据分析', 'route': null},
+    {'icon': Icons.balance, 'title': '交易', 'route': null},
+    {'icon': Icons.flag_circle, 'title': '国家', 'route': '/country'},
+    {'icon': Icons.account_balance, 'title': '交易所', 'route': '/exchange'},
+    {'icon': Icons.branding_watermark, 'title': '品种', 'route': null},
+  ];
 
-  FunctionItem({required this.name, required this.subFunctions});
+  HomePage({super.key});
-}
 
-class SubFunctionItem {
+  // 退出登录方法（保持不变）
-  final String name;
+  void _logout(BuildContext context) async {
-  final Widget page;
+    final result = await showDialog(
-
+      context: context,
-  SubFunctionItem({required this.name, required this.page});
+      builder: (context) => AlertDialog(
-}
+        title: const Text('退出登录'),
-
+        content: const Text('确定要退出当前账号吗？'),
-class HomePage extends StatefulWidget {
+        actions: [
-  const HomePage({super.key});
+          TextButton(
-
+            onPressed: () => Navigator.pop(context, false),
-  @override
+            child: const Text('取消'),
-  State<HomePage> createState() => _HomePageState();
-}
-
-class _HomePageState extends State<HomePage> {
-  // 功能列表数据 - 初始只包含"系统"功能
-  final List<FunctionItem> _functions = [
-    FunctionItem(
-      name: "系统",
-      subFunctions: [
-        SubFunctionItem(name: "国家", page: CountryHomePage()),
-        SubFunctionItem(
-          name: "货币",
-          page: const Center(child: Text("系统参数设置页面内容")),
           ),
-        SubFunctionItem(
+          TextButton(
-          name: "交易所",
+            onPressed: () => Navigator.pop(context, true),
-          page: const Center(child: Text("系统日志管理页面内容")),
+            child: const Text('确定'),
           ),
         ],
       ),
-  ];
+    );
 
-  // 选中状态跟踪
+    if (result == true && context.mounted) {
-  int _selectedFunctionIndex = 0;
+      Navigator.pushReplacementNamed(context, '/login');
-  int _selectedSubFunctionIndex = 0;
-
-  Future<void> _logout(BuildContext context) async {
-    final prefs = await SharedPreferences.getInstance();
-    final hasUserID = prefs.getString('user_id') != null;
-
-    if (hasUserID) {
-      await prefs.remove('user_id');
-      debugPrint('移除的用户ID: $hasUserID');
     }
-
-    await prefs.reload();
-
-    if (!context.mounted) return;
-
-    Navigator.pushNamedAndRemoveUntil(context, '/login', (route) => false);
   }
 
   @override
   Widget build(BuildContext context) {
-    // 获取当前选中的功能和子功能
+    final theme = Theme.of(context);
-    final currentFunction = _functions[_selectedFunctionIndex];
-    final currentSubFunction =
-        currentFunction.subFunctions[_selectedSubFunctionIndex];
 
     return Scaffold(
-      backgroundColor: Theme.of(context).colorScheme.surface,
+      appBar: AppBar(
-      // 移除顶部导航栏
+        title: const Text('功能列表'),
-      body: Row(
+        centerTitle: true,
-        children: [
+        elevation: 4,
-          // 左侧功能导航栏
+        shadowColor: Colors.black12,
-          Container(
+        backgroundColor: theme.colorScheme.surfaceContainerHighest,
-            width: 180,
+        automaticallyImplyLeading: false,
-            decoration: BoxDecoration(
+        actions: [
-              color: Theme.of(context).colorScheme.surfaceContainerHighest,
+          TextButton(
-              border: Border(
+            onPressed: () => _logout(context),
-                right: BorderSide(
-                  color: Theme.of(
-                    context,
-                  ).colorScheme.onSurface.withValues(alpha: 0.1),
-                ),
-              ),
-            ),
-            child: Column(
-              children: [
-                // 功能列表
-                Expanded(
-                  child: ListView.builder(
-                    itemCount: _functions.length,
-                    itemBuilder: (context, index) {
-                      final function = _functions[index];
-                      return ListTile(
-                        title: Text(
-                          function.name,
-                          style: TextStyle(
-                            color: _selectedFunctionIndex == index
-                                ? Theme.of(context).colorScheme.secondary
-                                : Theme.of(context).colorScheme.onSurface,
-                            fontWeight: _selectedFunctionIndex == index
-                                ? FontWeight.bold
-                                : FontWeight.normal,
-                          ),
-                        ),
-                        selected: _selectedFunctionIndex == index,
-                        selectedTileColor: Theme.of(
-                          context,
-                        ).colorScheme.primary.withValues(alpha: 0.1),
-                        onTap: () {
-                          setState(() {
-                            _selectedFunctionIndex = index;
-                            _selectedSubFunctionIndex = 0; // 切换功能时默认选中第一个子功能
-                          });
-                        },
-                      );
-                    },
-                  ),
-                ),
-                // 底部退出登录功能
-                const Divider(height: 1), // 分隔线
-                ListTile(
-                  title: const Text(
-                    '退出登录',
-                    textAlign: TextAlign.center, // 文案居中展示
-                  ),
-                  // 设置文本颜色为灰白色
-                  textColor: Theme.of(context).colorScheme.onSurfaceVariant,
-                  onTap: () => _logout(context),
-                  tileColor: Theme.of(
-                    context,
-                  ).colorScheme.surfaceContainerHighest,
-                  // 移除默认内边距，使居中更美观
-                  contentPadding: EdgeInsets.zero,
-                ),
-              ],
-            ),
-          ),
-
-          // 右侧内容区域
-          Expanded(
-            child: Column(
-              children: [
-                // 顶部子功能导航栏
-                Container(
-                  height: 60,
-                  decoration: BoxDecoration(
-                    color: Theme.of(
-                      context,
-                    ).colorScheme.surfaceContainerHighest,
-                    border: Border(
-                      bottom: BorderSide(
-                        color: Theme.of(
-                          context,
-                        ).colorScheme.onSurface.withValues(alpha: 0.1),
-                      ),
-                    ),
-                  ),
-                  child: ListView.builder(
-                    scrollDirection: Axis.horizontal,
-                    itemCount: currentFunction.subFunctions.length,
-                    itemBuilder: (context, index) {
-                      final subFunction = currentFunction.subFunctions[index];
-                      return InkWell(
-                        onTap: () {
-                          setState(() {
-                            _selectedSubFunctionIndex = index;
-                          });
-                        },
-                        child: Container(
-                          padding: const EdgeInsets.symmetric(
-                            horizontal: 20,
-                            vertical: 16,
-                          ),
-                          decoration: BoxDecoration(
-                            border: Border(
-                              bottom: BorderSide(
-                                color: _selectedSubFunctionIndex == index
-                                    ? Theme.of(context).colorScheme.primary
-                                    : Colors.transparent,
-                                width: 2,
-                              ),
-                            ),
-                          ),
             child: Text(
-                            subFunction.name,
+              '退出登录',
               style: TextStyle(
-                              color: _selectedSubFunctionIndex == index
+                color: theme.colorScheme.onSurface,
-                                  ? Theme.of(context).colorScheme.primary
-                                  : Theme.of(
-                                      context,
-                                    ).colorScheme.onSurfaceVariant,
                 fontSize: 16,
               ),
             ),
           ),
+          const SizedBox(width: 8),
+        ],
+      ),
+      body: SafeArea(
+        child: Container(
+          color: theme.colorScheme.surface,
+          width: double.infinity,
+          height: double.infinity,
+          child: ListView.builder(
+            padding: const EdgeInsets.symmetric(vertical: 8),
+            itemCount: features.length,
+            physics: const ScrollPhysics(parent: BouncingScrollPhysics()),
+            itemBuilder: (context, index) {
+              Widget item = _buildFeatureItem(
+                context: context,
+                icon: features[index]['icon'],
+                title: features[index]['title'],
+                route: features[index]['route'], // 传递路由信息
+              );
+
+              return Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  item,
+                  Divider(
+                    height: 1,
+                    thickness: 1,
+                    indent: 72,
+                    endIndent: 16,
+                    color: theme.dividerColor,
+                  ),
+                ],
               );
             },
           ),
         ),
+      ),
+    );
+  }
 
-                // 子功能操作页面区域
+  // 修改_buildFeatureItem方法，添加路由参数和导航逻辑
-                Expanded(child: currentSubFunction.page),
+  Widget _buildFeatureItem({
-                Expanded(child: currentSubFunction.page),
+    required BuildContext context,
+    required IconData icon,
+    required String title,
+    String? route, // 新增路由参数
+  }) {
+    final theme = Theme.of(context);
+
+    return Material(
+      color: Colors.transparent,
+      child: InkWell(
+        onTap: () {
+          // 点击事件处理 - 如果有路由信息则导航
+          if (route != null && context.mounted) {
+            // 使用路由路径进行导航
+            Navigator.pushNamed(context, route);
+          }
+        },
+        borderRadius: BorderRadius.circular(8),
+        splashColor: theme.colorScheme.primary.withAlpha(26),
+        highlightColor: theme.colorScheme.primary.withAlpha(13),
+        child: Container(
+          height: 64,
+          padding: const EdgeInsets.symmetric(horizontal: 16),
+          child: Row(
+            children: [
+              Container(
+                width: 40,
+                height: 40,
+                decoration: BoxDecoration(
+                  color: theme.colorScheme.surfaceContainerHighest,
+                  borderRadius: BorderRadius.circular(8),
+                ),
+                child: Icon(icon, size: 24, color: theme.colorScheme.secondary),
+              ),
+              const SizedBox(width: 16),
+              Text(
+                title,
+                style: theme.textTheme.titleMedium?.copyWith(
+                  fontWeight: FontWeight.w500,
+                  color: theme.colorScheme.onSurface,
+                ),
+              ),
+              const Spacer(),
+              Icon(Icons.arrow_forward_ios, size: 18, color: theme.hintColor),
             ],
           ),
         ),
-        ],
       ),
     );
   }

frontend/asset_assistant/lib/pages/login_page.dart

@@ -1,4 +1,5 @@
 import 'package:asset_assistant/pages/home_page.dart';
+import 'package:asset_assistant/utils/host_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:dio/dio.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -40,7 +41,7 @@ class _LoginPageState extends State<LoginPage> {
 
     try {
       // 构建请求URL
-      const baseUrl = 'https://api.fishestlife.com';
+      final baseUrl = HostUtils().currentHost;
       const path = '/user/login';
       final url = '$baseUrl$path';
       debugPrint('请求URL: $url');
@@ -93,7 +94,7 @@ class _LoginPageState extends State<LoginPage> {
           if (mounted) {
             Navigator.pushReplacement(
               context,
-              MaterialPageRoute(builder: (context) => const HomePage()),
+              MaterialPageRoute(builder: (context) => HomePage()),
             );
           }
         } else {

frontend/asset_assistant/lib/utils/host_utils.dart

@@ -0,0 +1,22 @@
+// Host
+class HostUtils {
+  // 单例实例
+  static final HostUtils _instance = HostUtils._internal();
+
+  // 工厂构造函数，确保全局唯一实例
+  factory HostUtils() => _instance;
+
+  // 私有构造函数
+  HostUtils._internal();
+
+  // 根据运行环境获取当前Host
+  String get currentHost {
+    // 区分debug和release环境
+    bool isDebug = false;
+    assert(() {
+      isDebug = true;
+      return true;
+    }());
+    return isDebug ? 'http://127.0.0.1:20000' : 'https://api.fishestlife.com';
+  }
+}