diff --git a/backend/asset_assistant/sql/03_user.sql b/backend/asset_assistant/sql/03_user.sql
new file mode 100644
index 0000000..ada096e
--- /dev/null
+++ b/backend/asset_assistant/sql/03_user.sql
@@ -0,0 +1,97 @@
+-- 切换到目标数据库
+\c postgres;
+
+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_data_modified_column();
+        
+        RAISE NOTICE 'created user table and trigger';
+    ELSE
+        RAISE NOTICE 'user table already exists';
+    END IF;
+
+    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_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_user_account_updated_at
+        BEFORE UPDATE ON "account"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_data_modified_column();
+        
+        RAISE NOTICE 'created user_account table and trigger';
+    ELSE
+        RAISE NOTICE 'user_account table already exists';
+    END IF;
+
+    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_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_user_password_updated_at
+        BEFORE UPDATE ON "password"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_data_modified_column();
+        
+        RAISE NOTICE 'created user_password table and trigger';
+    ELSE
+        RAISE NOTICE 'user_password table already exists';
+    END IF;
+END $$;
+
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    -- 检查视图是否已存在
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'user_info_view'
+    ) INTO view_exists;
+
+    -- 创建或更新视图
+    CREATE OR REPLACE VIEW user_info_view AS
+    SELECT 
+        u.id AS user_id,
+        ua.account AS user_account,
+        up.password AS user_password,
+        u.deleted AS deleted
+    FROM 
+        "user" u
+    JOIN 
+        user_account ua ON u.id = ua.user_id
+    JOIN 
+        user_password up ON u.id = up.user_id
+    WHERE
+        u.deleted = FALSE;
+
+    -- 根据视图是否已存在输出不同提示
+    IF view_exists THEN
+        RAISE NOTICE '视图 user_info_view 已更新';
+    ELSE
+        RAISE NOTICE '视图 user_info_view 已创建';
+    END IF;
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
+END $$;
diff --git a/backend/asset_assistant/sql/04_country.sql b/backend/asset_assistant/sql/04_country.sql
new file mode 100644
index 0000000..5b26630
--- /dev/null
+++ b/backend/asset_assistant/sql/04_country.sql
@@ -0,0 +1,97 @@
+-- 切换到目标数据库
+\c postgres;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country') THEN
+        CREATE TABLE country ( 
+            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_data_modified_column();
+        
+        RAISE NOTICE 'created country table and trigger';
+    ELSE
+        RAISE NOTICE 'country table already exists';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country_name') THEN
+        CREATE TABLE country_ (
+            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_data_modified_column();
+        
+        RAISE NOTICE 'created country_name table and trigger';
+    ELSE
+        RAISE NOTICE 'country_name table already exists';
+    END IF;
+
+    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_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_data_modified_column();
+        
+        RAISE NOTICE 'created country_code table and trigger';
+    ELSE
+        RAISE NOTICE 'country_code table already exists';
+    END IF;
+END $$;
+
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    -- 检查视图是否已存在
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'country_info_view'
+    ) INTO view_exists;
+
+    -- 创建或更新视图
+    CREATE OR REPLACE VIEW country_info_view AS
+    SELECT 
+        u.id AS country_id,
+        n.name AS name,
+        c.code AS code,
+        u.deleted AS deleted
+    FROM 
+        country u
+    JOIN 
+        country_name n ON u.id = n.country_id
+    JOIN 
+        country_code c ON u.id = c.country_id
+    WHERE
+        u.deleted = FALSE;
+
+    -- 根据视图是否已存在输出不同提示
+    IF view_exists THEN
+        RAISE NOTICE '视图 country_info_view 已更新';
+    ELSE
+        RAISE NOTICE '视图 country_info_view 已创建';
+    END IF;
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
+END $$;
diff --git a/backend/asset_assistant/sql/05_exchange.sql b/backend/asset_assistant/sql/05_exchange.sql
new file mode 100644
index 0000000..b3aae87
--- /dev/null
+++ b/backend/asset_assistant/sql/05_exchange.sql
@@ -0,0 +1,97 @@
+-- 切换到目标数据库
+\c postgres;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'exchange') THEN
+        CREATE TABLE exchange ( 
+            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_exchange_updated_at
+        BEFORE UPDATE ON "deleted"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_data_modified_column();
+        
+        RAISE NOTICE 'created exchange table and trigger';
+    ELSE
+        RAISE NOTICE 'exchange table already exists';
+    END IF;
+
+    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_v7() PRIMARY KEY NOT NULL,
+            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_name_updated_at
+        BEFORE UPDATE ON "name"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_data_modified_column();
+        
+        RAISE NOTICE 'created name table and trigger';
+    ELSE
+        RAISE NOTICE 'name table already exists';
+    END IF;
+
+    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_v7() PRIMARY KEY NOT NULL,
+            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_code_updated_at
+        BEFORE UPDATE ON "code"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_data_modified_column();
+        
+        RAISE NOTICE 'created exchange_code table and trigger';
+    ELSE
+        RAISE NOTICE 'exchange_code table already exists';
+    END IF;
+END $$;
+
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    -- 检查视图是否已存在
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'exchange_info_view'
+    ) INTO view_exists;
+
+    -- 创建或更新视图
+    CREATE OR REPLACE VIEW exchange_info_view AS
+    SELECT 
+        u.id AS exchange_id,
+        n.name AS name,
+        c.code AS code,
+        u.deleted AS deleted
+    FROM 
+        exchange u
+    JOIN 
+        exchange_name n ON u.id = n.exchange_id
+    JOIN 
+        exchange_code c ON u.id = c.exchange_id
+    WHERE
+        u.deleted = FALSE;
+
+    -- 根据视图是否已存在输出不同提示
+    IF view_exists THEN
+        RAISE NOTICE '视图 exchange_info_view 已更新';
+    ELSE
+        RAISE NOTICE '视图 exchange_info_view 已创建';
+    END IF;
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
+END $$;
diff --git a/backend/country/sql/02_create_country_table.sql b/backend/country/sql/02_create_country_table.sql
index 048e823..a464553 100644
--- a/backend/country/sql/02_create_country_table.sql
+++ b/backend/country/sql/02_create_country_table.sql
@@ -27,4 +27,79 @@ BEGIN
     ELSE
         RAISE NOTICE 'country table already exists';
     END IF;
-END $$;
\ No newline at end of file
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'name') THEN
+        CREATE TABLE name (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            country_id UUID NOT NULL,
+            name VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_name_updated_at
+        BEFORE UPDATE ON "name"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_name_modified_column();
+        
+        RAISE NOTICE 'Created name table and trigger';
+    ELSE
+        RAISE NOTICE 'name table already exists';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'code') THEN
+        CREATE TABLE code (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            country_id UUID NOT NULL,
+            code VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_code_updated_at
+        BEFORE UPDATE ON "code"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_code_modified_column();
+        
+        RAISE NOTICE 'Created code table and trigger';
+    ELSE
+        RAISE NOTICE 'code table already exists';
+    END IF;
+END $$;
+
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    -- 检查视图是否已存在
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'country_info_view'
+    ) INTO view_exists;
+
+    -- 创建或更新视图
+    CREATE OR REPLACE VIEW country_info_view AS
+    SELECT 
+        u.id AS country_id,
+        n.name AS name,
+        c.code AS code,
+        u.deleted AS deleted
+    FROM 
+        "country" u
+    JOIN 
+        name n ON u.id = n.country_id
+    JOIN 
+        code c ON u.id = c.country_id
+    WHERE
+        u.deleted = FALSE;
+
+    -- 根据视图是否已存在输出不同提示
+    IF view_exists THEN
+        RAISE NOTICE '视图 country_info_view 已更新';
+    ELSE
+        RAISE NOTICE '视图 country_info_view 已创建';
+    END IF;
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
+END $$;
diff --git a/backend/user/sql/02_create_user_table.sql b/backend/user/sql/02_create_user_table.sql
index 0de15d2..f3b0b0e 100644
--- a/backend/user/sql/02_create_user_table.sql
+++ b/backend/user/sql/02_create_user_table.sql
@@ -23,8 +23,83 @@ BEGIN
         FOR EACH ROW
         EXECUTE FUNCTION update_user_modified_column();
         
-        RAISE NOTICE 'Created user table and trigger';
+        RAISE NOTICE 'created user table and trigger';
     ELSE
         RAISE NOTICE 'user table already exists';
     END IF;
-END $$;
\ No newline at end of file
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'account') THEN
+        CREATE TABLE account (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            user_id UUID NOT NULL,
+            account VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_account_updated_at
+        BEFORE UPDATE ON "account"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_account_modified_column();
+        
+        RAISE NOTICE 'created account table and trigger';
+    ELSE
+        RAISE NOTICE 'account table already exists';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'password') THEN
+        CREATE TABLE password (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            user_id UUID NOT NULL,
+            password VARCHAR NOT NULL,
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_password_updated_at
+        BEFORE UPDATE ON "password"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_password_modified_column();
+        
+        RAISE NOTICE 'created password table and trigger';
+    ELSE
+        RAISE NOTICE 'password table already exists';
+    END IF;
+END $$;
+
+DO $$
+DECLARE
+    view_exists BOOLEAN;
+BEGIN
+    -- 检查视图是否已存在
+    SELECT EXISTS (
+        SELECT 1 FROM information_schema.views 
+        WHERE table_name = 'user_info_view'
+    ) INTO view_exists;
+
+    -- 创建或更新视图
+    CREATE OR REPLACE VIEW user_info_view AS
+    SELECT 
+        u.id AS user_id,
+        ua.account AS account,
+        up.password AS password,
+        u.deleted AS deleted
+    FROM 
+        "user" u
+    JOIN 
+        account ua ON u.id = ua.user_id
+    JOIN 
+        password up ON u.id = up.user_id
+    WHERE
+        u.deleted = FALSE;
+
+    -- 根据视图是否已存在输出不同提示
+    IF view_exists THEN
+        RAISE NOTICE '视图 user_info_view 已更新';
+    ELSE
+        RAISE NOTICE '视图 user_info_view 已创建';
+    END IF;
+EXCEPTION
+    WHEN OTHERS THEN
+        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
+END $$;