微调

app/Admin/Controllers/Activity/IndexController.php

@@ -272,6 +272,9 @@ class IndexController extends AdminController
             }
             $form->model()->verifications()->whereNotIn('user_id', $users)->delete();
 
+            $shops = isset(request()->shops) ? array_filter(request()->shops['user_id']) : [];
+
+            if (!empty($shops)) {
                 //设置核销网点
                 $users = [];
                 foreach ($form->shops['user_id'] as $key => $user_id) {
@@ -285,6 +288,8 @@ class IndexController extends AdminController
                     }
                 }
                 $form->model()->shops()->whereNotIn('user_id', $users)->delete();
+            }
+
         });
 
         return $form;