Re-migrate code

AGENTS.md

@@ -125,7 +125,7 @@ func (s *AuthService) ValidateUser(username, password string) (models.User, erro
     var user models.User
     err := database.DB.Where("username = ?", username).First(&user).Error
     if err != nil {
-        return models.User{}, errors.New("用户名或密码错误")
+        return models.User{}, errors.New("用户名或密码不正确")
     }
     return user, nil
 }
@@ -149,6 +149,9 @@ func (c *AuthController) Login(ctx *gin.Context) {
 }
 ```
 
+- Use `ErrorResponse` for API errors so messages are user-friendly and consistent.
+- Do not leak raw DB/stack errors to clients; log internal details and return safe messages.
+
 ### Response Format
 **Success response**:
 ```json
@@ -158,6 +161,8 @@ func (c *AuthController) Login(ctx *gin.Context) {
 }
 ```
 
+Some endpoints also return Node-compatible top-level keys (e.g. `serial`, `serials`, `pagination`) to preserve frontend compatibility.
+
 **Error response**:
 ```json
 {

README.md

@@ -240,6 +240,8 @@ swag init -g main.go
 | PUT  | `/api/auth/profile`         | 更新用户信息            | 是       |
 | POST | `/api/auth/change-password` | 修改密码                | 是       |
 
+> 错误提示已做用户友好化，例如登录失败统一返回：`用户名或密码不正确`。
+
 ### 序列号管理
 
 | 方法 | 路径                                | 描述             | 需要认证 | 角色   |
@@ -279,6 +281,12 @@ swag init -g main.go
 | PUT  | `/api/employee-serials/:serialNumber`        | 更新员工序列号信息 | 是       | 管理员 |
 | POST | `/api/employee-serials/:serialNumber/revoke` | 吊销员工序列号     | 是       | 管理员 |
 
+### Node 对齐说明
+
+- Go 版路由已与 `backend-node` 对齐（含 `PATCH` 更新接口、企业详情、企业吊销、删除企业下单个序列号）。
+- 企业统计与企业详情接口统一返回 `{ message, data }` 结构。
+- 序列号相关返回字段已对齐前端使用（如 `serialNumber`、`validUntil`、`createdBy`、`status`）。
+
 **员工序列号特点**:
 - 无有效期限制（与企业赋码不同）
 - 包含部门（department）和员工姓名（employeeName）信息

controllers/employees_controller.go

@@ -52,6 +52,7 @@ func (c *EmployeeSerialsController) Generate(ctx *gin.Context) {
 		generateData.EmployeeName,
 		generateData.Quantity,
 		userModel.ID,
+		generateData.SerialPrefix,
 	)
 	if err != nil {
 		ErrorResponse(ctx, http.StatusInternalServerError, err.Error())
@@ -226,3 +227,28 @@ func (c *EmployeeSerialsController) Revoke(ctx *gin.Context) {
 
 	SuccessResponse(ctx, "员工序列号吊销成功")
 }
+
+// Delete 删除员工序列号
+// @Summary 删除员工序列号
+// @Description 删除指定员工序列号（物理删除）
+// @Tags 员工赋码管理
+// @Produce json
+// @Security BearerAuth
+// @Param serialNumber path string true "序列号"
+// @Success 200 {object} models.BaseResponse
+// @Failure 400 {object} models.ErrorResponse
+// @Failure 401 {object} models.ErrorResponse
+// @Failure 404 {object} models.ErrorResponse
+// @Failure 500 {object} models.ErrorResponse
+// @Router /employee-serials/{serialNumber} [delete]
+func (c *EmployeeSerialsController) Delete(ctx *gin.Context) {
+	serialNumber := ctx.Param("serialNumber")
+
+	err := c.employeeSerialsService.Delete(serialNumber)
+	if err != nil {
+		ErrorResponse(ctx, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	SuccessResponse(ctx, "员工序列号删除成功")
+}

models/models.go

@@ -199,6 +199,7 @@ type GenerateEmployeeSerialDTO struct {
 	Department   string `json:"department" validate:"required"`
 	EmployeeName string `json:"employeeName" validate:"required"`
 	Quantity     int    `json:"quantity" validate:"min=1,max=1000"`
+	SerialPrefix string `json:"serialPrefix,omitempty"`
 }
 
 // UpdateEmployeeSerialDTO 员工序列号更新请求数据

routes/routes.go

@@ -71,5 +71,6 @@ func SetupAPIRoutes(r *gin.RouterGroup) {
 		employeeSerialsRoutes.GET("/", middleware.JWTAuthMiddleware(), employeeSerialsController.FindAll)
 		employeeSerialsRoutes.PUT("/:serialNumber", middleware.JWTAuthMiddleware(), middleware.AdminMiddleware(), employeeSerialsController.Update)
 		employeeSerialsRoutes.POST("/:serialNumber/revoke", middleware.JWTAuthMiddleware(), middleware.AdminMiddleware(), employeeSerialsController.Revoke)
+		employeeSerialsRoutes.DELETE("/:serialNumber", middleware.JWTAuthMiddleware(), middleware.AdminMiddleware(), employeeSerialsController.Delete)
 	}
 }

services/companies_service.go

@@ -3,6 +3,7 @@ package services
 import (
 	"errors"
 	"fmt"
+	"sort"
 	"time"
 
 	"gorm.io/gorm"
@@ -311,8 +312,14 @@ func (s *CompaniesService) GetStats() (map[string]any, error) {
 		return nil, errors.New("查询序列号统计失败")
 	}
 
+	var employeeSerials []models.EmployeeSerial
+	if err := database.DB.Order("created_at DESC").Find(&employeeSerials).Error; err != nil {
+		return nil, errors.New("查询员工序列号统计失败")
+	}
+
 	companyCount := len(companies)
 	serialCount := len(serials)
+	employeeSerialCount := len(employeeSerials)
 	activeCount := 0
 	for _, serial := range serials {
 		if serial.IsActive && (serial.ValidUntil == nil || serial.ValidUntil.After(now)) {
@@ -355,22 +362,41 @@ func (s *CompaniesService) GetStats() (map[string]any, error) {
 	}
 
 	recentSerials := make([]map[string]any, 0)
-	for i, serial := range serials {
-		if i >= 10 {
-			break
-		}
+	// 添加企业序列号
+	for _, serial := range serials {
 		recentSerials = append(recentSerials, map[string]any{
 			"serialNumber": serial.SerialNumber,
 			"companyName":  serial.CompanyName,
 			"isActive":     serial.IsActive,
 			"createdAt":    serial.CreatedAt,
+			"type":         "company",
 		})
 	}
+	// 添加员工序列号
+	for _, serial := range employeeSerials {
+		recentSerials = append(recentSerials, map[string]any{
+			"serialNumber": serial.SerialNumber,
+			"companyName":  serial.CompanyName,
+			"isActive":     serial.IsActive,
+			"createdAt":    serial.CreatedAt,
+			"type":         "employee",
+			"department":   serial.Department,
+			"employeeName": serial.EmployeeName,
+		})
+	}
+	// 按创建时间排序，保留最新的10条
+	sort.Slice(recentSerials, func(i, j int) bool {
+		return recentSerials[i]["createdAt"].(time.Time).After(recentSerials[j]["createdAt"].(time.Time))
+	})
+	if len(recentSerials) > 10 {
+		recentSerials = recentSerials[:10]
+	}
 
 	return map[string]any{
 		"overview": map[string]any{
 			"totalCompanies":       companyCount,
 			"totalSerials":         serialCount,
+			"totalEmployeeSerials": employeeSerialCount,
 			"activeSerials":        activeCount,
 			"inactiveSerials":      inactiveCount,
 		},

services/employees_service.go

@@ -28,6 +28,7 @@ func (s *EmployeeSerialsService) Generate(
 	employeeName string,
 	quantity int,
 	userId uint,
+	serialPrefix string,
 ) ([]models.EmployeeSerial, error) {
 	var serials []models.EmployeeSerial
 
@@ -45,8 +46,12 @@ func (s *EmployeeSerialsService) Generate(
 		}
 	}
 
-	// 生成序列号前缀 (EMP + 年份后两位)
-	serialPrefix := fmt.Sprintf("EMP%d", time.Now().Year()%100)
+	// 生成序列号前缀
+	if serialPrefix == "" {
+		serialPrefix = fmt.Sprintf("EMP%d", time.Now().Year()%100)
+	}
+	// 标准化前缀（转大写，去除空格）
+	serialPrefix = strings.ToUpper(strings.TrimSpace(serialPrefix))
 
 	// 预生成所有序列号
 	serialNumbers := make(map[string]bool)
@@ -199,6 +204,22 @@ func (s *EmployeeSerialsService) Revoke(serialNumber string) error {
 	return nil
 }
 
+// Delete 删除员工序列号（物理删除）
+func (s *EmployeeSerialsService) Delete(serialNumber string) error {
+	var serial models.EmployeeSerial
+	result := database.DB.Where("serial_number = ?", strings.ToUpper(serialNumber)).First(&serial)
+	if result.Error != nil {
+		return fmt.Errorf("查询员工序列号失败: %w", errors.New("序列号不存在"))
+	}
+
+	result = database.DB.Delete(&serial)
+	if result.Error != nil {
+		return fmt.Errorf("删除员工序列号失败: %w", result.Error)
+	}
+
+	return nil
+}
+
 // GenerateQRCode 生成员工二维码
 func (s *EmployeeSerialsService) GenerateQRCode(
 	serialNumber string,