diff --git a/app/Admin/Controllers/v3/GoodsActivityController.php b/app/Admin/Controllers/v3/GoodsActivityController.php
index 3c62395..8dd9914 100644
--- a/app/Admin/Controllers/v3/GoodsActivityController.php
+++ b/app/Admin/Controllers/v3/GoodsActivityController.php
@@ -196,9 +196,9 @@ class GoodsActivityController extends AdminController
                 $form->select('store_id')->required()->options($storeList);
                 $form->text('name')->required()->maxLength(20);
                 if($form->isCreating()){
-                    $form->image('cover_img')->autoUpload()->retainable()->required();
+                    $form->image('cover_img')->uniqueName()->autoUpload()->retainable()->required();
                 }else{
-                    $form->image('cover_img')->autoUpload()->required();
+                    $form->image('cover_img')->uniqueName()->autoUpload()->required();
                 }
                 $form->select('type')->options(GoodsActivityModel::$_TYPE)->default('flash_sale');
                 $form->datetime('expire_time')->required()->format('YYYY-MM-DD HH:mm:ss')->rules('after:now',['after'=>'活动结束时间必须大于当前时间！'])->customFormat(function ($v) {
@@ -220,13 +220,13 @@ class GoodsActivityController extends AdminController
             });
             $form->column(12, function (Form $form) {
                 $form->hasMany('image_banners', function (Form\NestedForm $form) {
-                    $form->image('path')->autoUpload()->width(2);
+                    $form->image('path')->uniqueName()->autoUpload()->width(2);
                     $form->number('sort')->width(2)->default(0);
                     $form->hidden('type')->value(1)->default(1);
                 })->required();
                 $form->divider();
                 $form->hasMany('video_banners', function (Form\NestedForm $form) {
-                    $form->file('path')->autoUpload()->width(2);
+                    $form->file('path')->uniqueName()->autoUpload()->width(2);
                     $form->number('sort')->width(2)->default(0);
                     $form->hidden('type')->value(2)->default(2);
                 });
diff --git a/app/Admin/Controllers/v3/GoodsController.php b/app/Admin/Controllers/v3/GoodsController.php
index 9b11b19..ace4190 100644
--- a/app/Admin/Controllers/v3/GoodsController.php
+++ b/app/Admin/Controllers/v3/GoodsController.php
@@ -220,9 +220,9 @@ class GoodsController extends AdminController
                 $form->select('store_id')->required()->options($storeList);
                 $form->text('name')->required()->maxLength(20);
                 if($form->isCreating()){
-                    $form->image('cover_img')->autoUpload()->retainable()->required();
+                    $form->image('cover_img')->uniqueName()->autoUpload()->retainable()->required();
                 }else{
-                    $form->image('cover_img')->autoUpload()->required();
+                    $form->image('cover_img')->uniqueName()->autoUpload()->required();
                 }
                 $form->number('sort');
             });
@@ -238,13 +238,13 @@ class GoodsController extends AdminController
             });
             $form->column(12, function (Form $form) {
                 $form->hasMany('image_banners', function (Form\NestedForm $form) {
-                    $form->image('path')->autoUpload()->required()->width(2);
+                    $form->image('path')->uniqueName()->autoUpload()->required()->width(2);
                     $form->number('sort')->width(2)->default(0);
                     $form->hidden('type')->value(1)->default(1);
                 })->required();
                 $form->divider();
                 $form->hasMany('video_banners', function (Form\NestedForm $form) {
-                    $form->file('path')->autoUpload()->width(2);
+                    $form->file('path')->uniqueName()->autoUpload()->width(2);
                     $form->number('sort')->width(2)->default(0);
                     $form->hidden('type')->value(2)->default(2);
                 });
diff --git a/app/Admin/Forms/v3/GoodsImageForm.php b/app/Admin/Forms/v3/GoodsImageForm.php
index d4b420b..3903377 100644
--- a/app/Admin/Forms/v3/GoodsImageForm.php
+++ b/app/Admin/Forms/v3/GoodsImageForm.php
@@ -30,7 +30,7 @@ class GoodsImageForm extends Form implements LazyRenderable
         $coverImg= $input['cover_img'];
         $bannerImg= $input['img_banner'];
         
-        if($goodsId > 0 && !empty($coverImg)){
+        if($goodsId > 0 && !empty($coverImg) && strlen($coverImg) < 200){
             $data = ['cover_img' => $coverImg];
             $res1 = GoodsModel::where('id',$goodsId)->update($data); 
         }
@@ -63,15 +63,13 @@ class GoodsImageForm extends Form implements LazyRenderable
         $goodName = $this->payload['name'] ?? '';
         $coverImg = $this->payload['cover_img'] ?? '';
         $this->search = $this->payload['search'] ?? '';
-        // $goods = GoodsModel::select('name','cover_img')->find($id);
-        // $goodName = empty($goods->name)?'':$goods->name;
-        // $coverImg = empty($goods->cover_img) ? '':$goods->cover_img;
+
         $this->hidden('goods_id')->value($id);
         $this->display('name','商品名称')->value($goodName);
-        $this->image('cover_img','封面图')->customFormat(function($cover_img) use($coverImg){
+        $this->image('cover_img','封面图')->uniqueName()->customFormat(function() use($coverImg){
             return [$coverImg];
         })->autoUpload();
-        $this->multipleImage('img_banner','轮播图')->customFormat(function($img_banner) use($id){
+        $this->multipleImage('img_banner','轮播图')->uniqueName()->customFormat(function() use($id){
             if(!$id){
                 return ;
             }