fix: 添加分类名称唯一约束，防止重复名称

backend/internal/api/handlers/article.go

@@ -5,7 +5,6 @@ import (
 	"net/http"
 	"strconv"
 
-	"sale/internal/crawler"
 	"sale/internal/models"
 	"sale/internal/schemas"
 	"sale/internal/utils"
@@ -164,15 +163,3 @@ func (h *ArticleHandler) TogglePin(c *gin.Context) {
 	utils.DB.First(&article, id)
 	c.JSON(http.StatusOK, gin.H{"data": article})
 }
-
-// CrawlRibenyan 采集 ribenyan.com 文章
-func (h *ArticleHandler) CrawlRibenyan(c *gin.Context) {
-	crawler := crawler.NewRibenyanCrawler(utils.DB)
-	
-	if err := crawler.CrawlArticles(); err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-		return
-	}
-	
-	c.JSON(http.StatusOK, gin.H{"message": "Crawl completed successfully"})
-}

backend/internal/api/handlers/product.go

@@ -34,6 +34,12 @@ func (h *CategoryHandler) Create(c *gin.Context) {
 		return
 	}
 
+	var existing models.Category
+	if err := utils.DB.Where("name = ?", req.Name).First(&existing).Error; err == nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "分类名称已存在"})
+		return
+	}
+
 	category := models.Category{
 		Name:        req.Name,
 		Description: req.Description,
@@ -69,6 +75,14 @@ func (h *CategoryHandler) Update(c *gin.Context) {
 		return
 	}
 
+	if req.Name != nil && *req.Name != category.Name {
+		var existing models.Category
+		if err := utils.DB.Where("name = ? AND id != ?", *req.Name, id).First(&existing).Error; err == nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "分类名称已存在"})
+			return
+		}
+	}
+
 	updates := make(map[string]interface{})
 	if req.Name != nil {
 		updates["name"] = *req.Name

backend/internal/api/routes/routes.go

@@ -1,8 +1,6 @@
 package routes
 
 import (
-	"net/http"
-
 	"sale/internal/api/handlers"
 	"sale/internal/api/middlewares"
 
@@ -28,6 +26,8 @@ func SetupRoutes(r *gin.Engine) {
 
 	r.Use(middlewares.CORSMiddleware())
 
+	r.Static("/uploads", "./uploads")
+
 	api := r.Group("/api")
 	{
 		api.GET("/installed", authHandler.CheckInstalled)
@@ -46,8 +46,6 @@ func SetupRoutes(r *gin.Engine) {
 		{
 			articles.GET("", articleHandler.List)
 			articles.GET("/:id", articleHandler.GetByID)
-			// 采集 API（管理员权限）
-			articles.POST("/crawl-ribenyan", articleHandler.CrawlRibenyan)
 		}
 
 		api.GET("/banners", bannerHandler.List)
@@ -217,25 +215,4 @@ func SetupRoutes(r *gin.Engine) {
 			}
 		}
 	}
-
-	// Serve uploads
-	r.Static("/uploads", "./uploads")
-
-	// Serve frontend static assets (CSS, JS, images, etc.)
-	r.StaticFS("/assets", http.Dir("./static/assets"))
-
-	// SPA fallback - serve index.html for all other routes (Vue Router History Mode)
-	// This must be the last route to catch all unmatched paths
-	r.NoRoute(func(c *gin.Context) {
-		path := c.Request.URL.Path
-		// For root and SPA routes, serve index.html
-		// API requests will return 404 if not found
-		if path == "/" || path == "/favicon.ico" || path == "/icons.svg" || path == "/favicon.svg" ||
-		   len(path) > 4 && path[:4] != "/api/" {
-			c.File("/app/static/index.html")
-		} else {
-			// API routes - let them return 404 if not found
-			c.AbortWithStatus(404)
-		}
-	})
 }

backend/internal/models/category.go

@@ -8,7 +8,7 @@ import (
 
 type Category struct {
 	ID           uint           `gorm:"primaryKey" json:"id"`
-	Name         string         `gorm:"size:100;not null" json:"name"`
+	Name         string         `gorm:"size:100;not null;uniqueIndex" json:"name"`
 	Description  string         `json:"description"`
 	ParentID     *uint          `json:"parent_id"`
 	MinAmount    *float64       `json:"min_amount"`