diff --git a/packages/banner/src/Http/Admin/BannerAdController.php b/packages/banner/src/Http/Admin/BannerAdController.php
index e4c0b0a..9a254b6 100644
--- a/packages/banner/src/Http/Admin/BannerAdController.php
+++ b/packages/banner/src/Http/Admin/BannerAdController.php
@@ -74,7 +74,11 @@ class BannerAdController extends AdminController
     {
         return Form::make(new BannerAd(), function (Form $form) {
             $form->text('name')->required();
-            $form->text('key')->required()->rules([Rule::unique((new BannerAd())->getTable())]);
+            $unqiue = Rule::unique((new BannerAd())->getTable());
+            if ($form->isEditing()) {
+                $unqiue->ignore($form->model()->id);
+            }
+            $form->text('key')->required()->rules([$unqiue]);
             $form->number('width')->min(0);
             $form->number('height')->min(0);
             $form->switch('is_enable')->default(1);