diff --git a/backend/sql/04_country.sql b/backend/sql/04_country.sql
index 6fbeaaa..402fd82 100644
--- a/backend/sql/04_country.sql
+++ b/backend/sql/04_country.sql
@@ -21,7 +21,7 @@ BEGIN
     END IF;
 
     IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'country_name') THEN
-        CREATE TABLE country_ (
+        CREATE TABLE country_name (
             id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
             country_id UUID NOT NULL,
             name VARCHAR NOT NULL,
diff --git a/backend/sql/05_exchange.sql b/backend/sql/05_exchange.sql
deleted file mode 100644
index 94251e9..0000000
--- a/backend/sql/05_exchange.sql
+++ /dev/null
@@ -1,97 +0,0 @@
--- 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 "exchange_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 "exchange_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 $$
-DECLARE
-    view_exists BOOLEAN;
-BEGIN
-    -- 检查视图是否已存在
-    SELECT EXISTS (
-        SELECT 1 FROM information_schema.views 
-        WHERE table_name = 'exchange_info_view'
-    ) INTO view_exists;
-
-    -- 创建或更新视图
-    CREATE OR REPLACE VIEW exchange_info_view AS
-    SELECT 
-        u.id AS exchange_id,
-        n.name AS name,
-        c.code AS code,
-        u.deleted AS deleted
-    FROM 
-        exchange u
-    JOIN 
-        exchange_name n ON u.id = n.exchange_id
-    JOIN 
-        exchange_code c ON u.id = c.exchange_id
-    WHERE
-        u.deleted = FALSE;
-
-    -- 根据视图是否已存在输出不同提示
-    IF view_exists THEN
-        RAISE NOTICE '视图 exchange_info_view 已更新';
-    ELSE
-        RAISE NOTICE '视图 exchange_info_view 已创建';
-    END IF;
-EXCEPTION
-    WHEN OTHERS THEN
-        RAISE NOTICE '处理视图时发生错误: %', SQLERRM;
-END $$;