diff --git a/supply/sku.go b/supply/sku.go
index ccd360e..f6e5a15 100644
--- a/supply/sku.go
+++ b/supply/sku.go
@@ -60,6 +60,7 @@ type ArgsSkuAdd struct {
 }
 
 type SkuImg struct {
+	Id   uint   `json:"id"`
 	Path string `json:"path"`
 }
 
@@ -224,3 +225,28 @@ func (s *sku) DownShelves(ctx context.Context, args ArgsSkuDownShelves) error {
 	}
 	return xClient.Call(ctx, "DownShelves", args, &reply)
 }
+
+// GetImgs @Title 获取预览图
+func (s *sku) GetImgs(ctx context.Context, skuId uint) error {
+	reply := 0
+	xClient, err := client.GetClient(s)
+	if err != nil {
+		return err
+	}
+	return xClient.Call(ctx, "GetImgs", skuId, &reply)
+}
+
+type ArgsReplaceImg struct {
+	Id          uint
+	ReplacePath string
+}
+
+// ReplaceImg @Title 替换图片
+func (s *sku) ReplaceImg(ctx context.Context, args ArgsReplaceImg) (reply []SkuImg, err error) {
+	xClient, err := client.GetClient(s)
+	if err != nil {
+		return nil, err
+	}
+	err = xClient.Call(ctx, "ReplaceImg", args, &reply)
+	return
+}