fix: 批量修复功能问题 - 购物车结算/订单库存积分/搜索/抽奖/个人资料等

backend/internal/api/handlers/brand.go

@@ -27,7 +27,7 @@ func (h *BrandHandler) Create(c *gin.Context) {
 		return
 	}
 	utils.DB.Create(&brand)
-	c.JSON(http.StatusOK, brand)
+	c.JSON(http.StatusOK, gin.H{"data": brand})
 }
 
 func (h *BrandHandler) Update(c *gin.Context) {
@@ -37,13 +37,32 @@ func (h *BrandHandler) Update(c *gin.Context) {
 		c.JSON(http.StatusNotFound, gin.H{"error": "Brand not found"})
 		return
 	}
-	var input models.Brand
-	if err := c.ShouldBindJSON(&input); err != nil {
+	var req struct {
+		Name      *string `json:"name"`
+		Icon      *string `json:"icon"`
+		Info      *string `json:"info"`
+		SortOrder *int    `json:"sort_order"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
-	utils.DB.Model(&brand).Updates(input)
-	c.JSON(http.StatusOK, brand)
+	updates := make(map[string]interface{})
+	if req.Name != nil {
+		updates["name"] = *req.Name
+	}
+	if req.Icon != nil {
+		updates["icon"] = *req.Icon
+	}
+	if req.Info != nil {
+		updates["info"] = *req.Info
+	}
+	if req.SortOrder != nil {
+		updates["sort_order"] = *req.SortOrder
+	}
+	utils.DB.Model(&brand).Updates(updates)
+	utils.DB.First(&brand, brand.ID)
+	c.JSON(http.StatusOK, gin.H{"data": brand})
 }
 
 func (h *BrandHandler) Delete(c *gin.Context) {