diff --git a/AGENTS.md b/AGENTS.md
index c8e79d4..0c01b0d 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -32,6 +32,7 @@ Keep this managed block so 'openspec update' can refresh the instructions.
 - 日志消息必须使用中文
 - 用户可见的错误消息必须使用中文
 - 变量名、函数名、类型名必须使用英文（遵循 Go 命名规范）
+- GIT提交的commit必须使用中文
 
 ## 技术栈
 
diff --git a/migrations/000003_add_owner_id_shop_id.down.sql b/migrations/000003_add_owner_id_shop_id.down.sql
index e53d114..01f76c3 100644
--- a/migrations/000003_add_owner_id_shop_id.down.sql
+++ b/migrations/000003_add_owner_id_shop_id.down.sql
@@ -1,20 +1,19 @@
 -- 000003_add_owner_id_shop_id.down.sql
--- 示例迁移：回滚 owner_id 和 shop_id 字段
--- 注：此为模板迁移，实际业务表由项目需求决定
+-- 重要说明：user/order 模块已移除，本模板仅供新的业务表参照。
 
--- 示例：回滚订单表的数据权限字段
--- DROP INDEX IF EXISTS idx_orders_owner_shop;
--- DROP INDEX IF EXISTS idx_orders_shop_id;
--- DROP INDEX IF EXISTS idx_orders_owner_id;
--- ALTER TABLE tb_orders DROP COLUMN IF EXISTS shop_id;
--- ALTER TABLE tb_orders DROP COLUMN IF EXISTS owner_id;
+-- 示例：回滚 SIM 卡表的数据权限字段
+-- DROP INDEX IF EXISTS idx_sim_card_owner_shop;
+-- DROP INDEX IF EXISTS idx_sim_card_shop_id;
+-- DROP INDEX IF EXISTS idx_sim_card_owner_id;
+-- ALTER TABLE tb_sim_card DROP COLUMN IF EXISTS shop_id;
+-- ALTER TABLE tb_sim_card DROP COLUMN IF EXISTS owner_id;
 
--- 示例：回滚商品表的数据权限字段
--- DROP INDEX IF EXISTS idx_products_owner_shop;
--- DROP INDEX IF EXISTS idx_products_shop_id;
--- DROP INDEX IF EXISTS idx_products_owner_id;
--- ALTER TABLE tb_products DROP COLUMN IF EXISTS shop_id;
--- ALTER TABLE tb_products DROP COLUMN IF EXISTS owner_id;
+-- 示例：回滚设备表的数据权限字段
+-- DROP INDEX IF EXISTS idx_device_owner_shop;
+-- DROP INDEX IF EXISTS idx_device_shop_id;
+-- DROP INDEX IF EXISTS idx_device_owner_id;
+-- ALTER TABLE tb_device DROP COLUMN IF EXISTS shop_id;
+-- ALTER TABLE tb_device DROP COLUMN IF EXISTS owner_id;
 
 -- 占位语句（避免空迁移文件报错）
 SELECT 1;
diff --git a/migrations/000003_add_owner_id_shop_id.up.sql b/migrations/000003_add_owner_id_shop_id.up.sql
index a0584c0..1eb30b8 100644
--- a/migrations/000003_add_owner_id_shop_id.up.sql
+++ b/migrations/000003_add_owner_id_shop_id.up.sql
@@ -1,27 +1,28 @@
 -- 000003_add_owner_id_shop_id.up.sql
--- 示例迁移：为业务表添加 owner_id 和 shop_id 字段
--- 注：此为模板迁移，实际业务表由项目需求决定
+
+-- 重要说明：user/order 模块已移除，本模板仅供新的业务表（例如 SIM、设备、套餐等）参照。
 -- 使用方法：
 -- 1. 复制此模板
--- 2. 修改表名为实际业务表
--- 3. 根据业务需求调整字段类型和约束
+-- 2. 替换示例表名为真实表名
+-- 3. 按需调整字段类型、索引、默认值
 
--- 示例：为订单表添加数据权限字段
--- ALTER TABLE tb_orders ADD COLUMN owner_id BIGINT;
--- ALTER TABLE tb_orders ADD COLUMN shop_id BIGINT;
+-- 示例：为 SIM 卡表添加数据权限字段
+-- ALTER TABLE tb_sim_card ADD COLUMN owner_id BIGINT;
+-- ALTER TABLE tb_sim_card ADD COLUMN shop_id BIGINT;
 --
--- -- 创建索引以支持数据权限过滤
--- CREATE INDEX idx_orders_owner_id ON tb_orders(owner_id) WHERE deleted_at IS NULL;
--- CREATE INDEX idx_orders_shop_id ON tb_orders(shop_id) WHERE deleted_at IS NULL;
--- CREATE INDEX idx_orders_owner_shop ON tb_orders(owner_id, shop_id) WHERE deleted_at IS NULL;
+-- CREATE INDEX idx_sim_card_owner_id ON tb_sim_card(owner_id) WHERE deleted_at IS NULL;
+-- CREATE INDEX idx_sim_card_shop_id ON tb_sim_card(shop_id) WHERE deleted_at IS NULL;
+-- CREATE INDEX idx_sim_card_owner_shop ON tb_sim_card(owner_id, shop_id) WHERE deleted_at IS NULL;
 
--- 示例：为商品表添加数据权限字段
--- ALTER TABLE tb_products ADD COLUMN owner_id BIGINT;
--- ALTER TABLE tb_products ADD COLUMN shop_id BIGINT;
+-- 示例：为设备表添加数据权限字段
+-- ALTER TABLE tb_device ADD COLUMN owner_id BIGINT;
+-- ALTER TABLE tb_device ADD COLUMN shop_id BIGINT;
 --
--- CREATE INDEX idx_products_owner_id ON tb_products(owner_id) WHERE deleted_at IS NULL;
--- CREATE INDEX idx_products_shop_id ON tb_products(shop_id) WHERE deleted_at IS NULL;
--- CREATE INDEX idx_products_owner_shop ON tb_products(owner_id, shop_id) WHERE deleted_at IS NULL;
+-- CREATE INDEX idx_device_owner_id ON tb_device(owner_id) WHERE deleted_at IS NULL;
+-- CREATE INDEX idx_device_shop_id ON tb_device(shop_id) WHERE deleted_at IS NULL;
+-- CREATE INDEX idx_device_owner_shop ON tb_device(owner_id, shop_id) WHERE deleted_at IS NULL;
+
+-- 批量表处理建议：可将多个 ALTER 语句放入同一次迁移，以保持版本一致。
 
 -- 通用数据权限字段规范：
 -- owner_id: 数据所有者账号 ID，关联 tb_account.id
diff --git a/migrations/000004_drop_legacy_user_order.down.sql b/migrations/000004_drop_legacy_user_order.down.sql
new file mode 100644
index 0000000..627471a
--- /dev/null
+++ b/migrations/000004_drop_legacy_user_order.down.sql
@@ -0,0 +1,83 @@
+-- 000004_drop_legacy_user_order.down.sql
+-- 说明：回滚时恢复 legacy 用户/订单表（与历史 000001_init_schema 一致）。
+
+BEGIN;
+
+-- 恢复用户表
+CREATE TABLE IF NOT EXISTS tb_user (
+    id SERIAL PRIMARY KEY,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP,
+
+    -- 基本信息
+    username VARCHAR(50) NOT NULL,
+    email VARCHAR(100) NOT NULL,
+    password VARCHAR(255) NOT NULL,
+
+    -- 状态字段
+    status VARCHAR(20) NOT NULL DEFAULT 'active',
+
+    -- 元数据
+    last_login_at TIMESTAMP,
+
+    -- 唯一约束
+    CONSTRAINT uk_user_username UNIQUE (username),
+    CONSTRAINT uk_user_email UNIQUE (email)
+);
+
+-- 恢复订单表
+CREATE TABLE IF NOT EXISTS tb_order (
+    id SERIAL PRIMARY KEY,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP,
+
+    -- 业务唯一键
+    order_id VARCHAR(50) NOT NULL,
+
+    -- 关联关系（注意：无数据库外键约束，在代码中管理）
+    user_id INTEGER NOT NULL,
+
+    -- 订单信息
+    amount BIGINT NOT NULL,
+    status VARCHAR(20) NOT NULL DEFAULT 'pending',
+    remark VARCHAR(500),
+
+    -- 时间字段
+    paid_at TIMESTAMP,
+    completed_at TIMESTAMP,
+
+    -- 唯一约束
+    CONSTRAINT uk_order_order_id UNIQUE (order_id)
+);
+
+-- 索引恢复
+CREATE INDEX IF NOT EXISTS idx_user_deleted_at ON tb_user(deleted_at);
+CREATE INDEX IF NOT EXISTS idx_user_status ON tb_user(status);
+CREATE INDEX IF NOT EXISTS idx_user_created_at ON tb_user(created_at);
+
+CREATE INDEX IF NOT EXISTS idx_order_deleted_at ON tb_order(deleted_at);
+CREATE INDEX IF NOT EXISTS idx_order_user_id ON tb_order(user_id);
+CREATE INDEX IF NOT EXISTS idx_order_status ON tb_order(status);
+CREATE INDEX IF NOT EXISTS idx_order_created_at ON tb_order(created_at);
+
+-- 注释恢复
+COMMENT ON TABLE tb_user IS '用户表';
+COMMENT ON COLUMN tb_user.username IS '用户名（唯一）';
+COMMENT ON COLUMN tb_user.email IS '邮箱（唯一）';
+COMMENT ON COLUMN tb_user.password IS '密码（bcrypt 哈希）';
+COMMENT ON COLUMN tb_user.status IS '用户状态：active, inactive, suspended';
+COMMENT ON COLUMN tb_user.deleted_at IS '软删除时间';
+
+COMMENT ON TABLE tb_order IS '订单表';
+COMMENT ON COLUMN tb_order.order_id IS '订单号（业务唯一键）';
+COMMENT ON COLUMN tb_order.user_id IS '用户 ID（在代码中维护关联，无数据库外键）';
+COMMENT ON COLUMN tb_order.amount IS '金额（分）';
+COMMENT ON COLUMN tb_order.status IS '订单状态：pending, paid, processing, completed, cancelled';
+COMMENT ON COLUMN tb_order.deleted_at IS '软删除时间';
+
+COMMIT;
+
+-- 占位，避免空事务报错
+SELECT 1;
diff --git a/migrations/000004_drop_legacy_user_order.up.sql b/migrations/000004_drop_legacy_user_order.up.sql
new file mode 100644
index 0000000..511c713
--- /dev/null
+++ b/migrations/000004_drop_legacy_user_order.up.sql
@@ -0,0 +1,13 @@
+-- 000004_drop_legacy_user_order.up.sql
+-- 说明：清理已废弃的 legacy 用户/订单表，保证数据库结构与现有代码一致。
+
+BEGIN;
+
+-- 先删除依赖度更高的订单表，再删除用户表
+DROP TABLE IF EXISTS tb_order;
+DROP TABLE IF EXISTS tb_user;
+
+COMMIT;
+
+-- 占位，避免空事务报错
+SELECT 1;
diff --git a/scripts/migrate.sh b/scripts/migrate.sh
index 1dedf0c..27f6307 100755
--- a/scripts/migrate.sh
+++ b/scripts/migrate.sh
@@ -38,11 +38,12 @@ show_usage() {
 用法: $0 [命令] [参数]
 
 命令:
-  up [N]       向上迁移 N 步 (默认: 全部)
+  up [N]       向上迁移 N 步 (默认: 全部，完成后自动检查 legacy 表)
   down [N]     向下回滚 N 步 (默认: 1)
   create NAME  创建新的迁移文件
   version      显示当前迁移版本
   force V      强制设置迁移版本为 V (用于修复脏数据库状态)
+  check-legacy 检查 legacy 表 (tb_user/tb_order) 是否仍存在
   help         显示此帮助信息
 
 环境变量:
@@ -59,10 +60,36 @@ show_usage() {
   $0 create add_sim_table  # 创建新迁移文件
   $0 version         # 查看当前版本
   $0 force 1         # 强制设置版本为 1
+  $0 check-legacy    # 单独检查 tb_user/tb_order 是否存在
 
 EOF
 }
 
+check_legacy_tables() {
+    if ! command -v psql &> /dev/null; then
+        echo "提示: 未检测到 psql 命令，跳过 legacy 表检查"
+        return
+    fi
+
+    echo "正在检查 legacy 表 tb_user / tb_order..."
+    if ! CHECK_RESULT=$(psql "$DATABASE_URL" -Atqc "SELECT table_name FROM information_schema.tables WHERE table_schema='public' AND table_name IN ('tb_user','tb_order');"); then
+        echo "警告: 无法执行 legacy 表检查，请手动确认"
+        return
+    fi
+
+    if [ -z "$CHECK_RESULT" ]; then
+        echo "✓ 未发现 legacy 表，数据库结构已与代码同步"
+    else
+        echo "⚠ 检测到以下 legacy 表仍然存在："
+        echo "$CHECK_RESULT" | while read -r table_name; do
+            if [ -n "$table_name" ]; then
+                printf '  - %s\n' "$table_name"
+            fi
+        done
+        echo "请确保已经执行 000004_drop_legacy_user_order 迁移或手动清理上述表"
+    fi
+}
+
 # 主命令处理
 case "$1" in
     up)
@@ -73,6 +100,8 @@ case "$1" in
             echo "正在向上迁移 $2 步..."
             migrate -path "$MIGRATIONS_DIR" -database "$DATABASE_URL" up "$2"
         fi
+        echo "迁移完成，开始检查 legacy 表..."
+        check_legacy_tables
         ;;
     down)
         STEPS="${2:-1}"
@@ -103,6 +132,9 @@ case "$1" in
         echo "强制设置迁移版本为: $2"
         migrate -path "$MIGRATIONS_DIR" -database "$DATABASE_URL" force "$2"
         ;;
+    check-legacy)
+        check_legacy_tables
+        ;;
     help|--help|-h)
         show_usage
         ;;