diff --git a/otosaas/commodity.go b/otosaas/commodity.go
index 1005bc2..9fa03b8 100644
--- a/otosaas/commodity.go
+++ b/otosaas/commodity.go
@@ -77,11 +77,8 @@ type ReplyCommodityInfo struct {
 	CommodityCode      string             `json:"commodityCode"`
 	Name               string             `json:"name"`
 	ImgUrl             string             `json:"imgUrl"`
-	FirstCategoryId    uint               `json:"firstCategoryId"`
 	FirstCategoryName  string             `json:"firstCategoryName"`
-	SecondCategoryId   uint               `json:"secondCategoryId"`
 	SecondCategoryName string             `json:"secondCategoryName"`
-	ThirdCategoryId    uint               `json:"thirdCategoryId"`
 	ThirdCategoryName  string             `json:"thirdCategoryName"`
 	SupplyCategoryId   uint               `json:"supplyCategoryId"`
 	Handle             uint               `json:"handle"`
@@ -158,6 +155,22 @@ func (c *commodity) Discard(ctx context.Context, goodsIds []uint) (err error) {
 	return
 }
 
+type ArgsCommodityReplaceImg struct {
+	CommodityId uint   // 商品id
+	ImgId       uint   // 图片id
+	ImgPath     string // 图片路径
+}
+
+// ReplaceImg @Title 替换图片
+func (c *commodity) ReplaceImg(ctx context.Context, args ArgsCommodityReplaceImg) error {
+	reply := 0
+	xClient, err := client.GetClient(c)
+	if err != nil {
+		return err
+	}
+	return xClient.Call(ctx, "ReplaceImg", args, &reply)
+}
+
 //
 //// ReHandle @Title 重新处理商品
 //func (c *commodity) ReHandle(ctx context.Context, goodsIds []uint) (reply []AdoptItem, err error) {