Merge branch 'goods_copy_bug_1106'

app/Admin/Forms/v3/GoodsImageForm.php

@@ -73,7 +73,7 @@ class GoodsImageForm extends Form implements LazyRenderable
 
         $this->hidden('goods_id')->value($id);
         $this->display('name','商品名称')->value($goodName);
-        $this->image('cover_img','封面图')->uniqueName()->customFormat(function() use($coverImg){
+        $this->image('cover_img','封面图')->uniqueName()->retainable()->customFormat(function() use($coverImg){
             return [$coverImg];
         })->autoUpload();
         $this->multipleImage('img_banner','轮播图')->uniqueName()->customFormat(function() use($id){