diff --git a/app/Admin/Controllers/ProductSkuController.php b/app/Admin/Controllers/ProductSkuController.php
index 69a025d1..8f45da2d 100644
--- a/app/Admin/Controllers/ProductSkuController.php
+++ b/app/Admin/Controllers/ProductSkuController.php
@@ -77,11 +77,13 @@ class ProductSkuController extends AdminController
                         ->move('product-skus/cover/'.Carbon::now()->toDateString())
                         ->saveFullUrl()
                         ->removable(false)
+                        ->retainable()
                         ->autoUpload();
             $form->multipleImage('images')
                         ->move('product-skus/'.Carbon::now()->toDateString())
                         ->saveFullUrl()
                         ->removable(false)
+                        ->retainable()
                         ->autoUpload();
             $form->file('media')->chunked()
                         ->accept('mp4', 'mp4/*')
@@ -89,6 +91,7 @@ class ProductSkuController extends AdminController
                         ->maxSize(204800)//默认最大200M
                         ->saveFullUrl()
                         ->removable(false)
+                        ->retainable()
                         ->autoSave(false)
                         ->autoUpload();
             $form->editor('description');
@@ -146,7 +149,7 @@ class ProductSkuController extends AdminController
         if ($sku->release_at || $sku->verify_state == 1) {//如果是上架中、审核中或者已售出的，无法删除
             throw new BizException(__('product-sku.options.deny_message'));
         }
-        if ($sku->sales > 0){
+        if ($sku->sales > 0) {
             throw new BizException('商品已售出，无法被删除');
         }
         return parent::destroy($id);
diff --git a/app/Admin/Controllers/ProductSpuController.php b/app/Admin/Controllers/ProductSpuController.php
index bf30a6b2..d996a54a 100644
--- a/app/Admin/Controllers/ProductSpuController.php
+++ b/app/Admin/Controllers/ProductSpuController.php
@@ -133,11 +133,13 @@ class ProductSpuController extends AdminController
                         ->move('product-spus/cover/'.Carbon::now()->toDateString())
                         ->saveFullUrl()
                         ->removable(false)
+                        ->retainable()
                         ->autoUpload();
             $form->multipleImage('images')
                         ->move('product-spus/'.Carbon::now()->toDateString())
                         ->saveFullUrl()
                         ->removable(false)
+                        ->retainable()
                         ->autoUpload();
             $form->file('media')->chunked()
                         ->accept('mp4', 'mp4/*')
@@ -145,6 +147,7 @@ class ProductSpuController extends AdminController
                         ->maxSize(204800)//默认最大200M
                         ->saveFullUrl()
                         ->removable(false)
+                        ->retainable()
                         ->autoSave(false)
                         ->autoUpload();
             $form->multipleSelect('features')->options(ProductFeature::all()->pluck('name', 'id'))->customFormat(function ($v) {