更新

app/Admin/Controllers/UserController.php

@@ -124,7 +124,7 @@ class UserController extends AdminController
             $form->switch('status','状态')->default(1);
             $form->text('user_info.nickname','昵称');
             $form->saving(function ($res){
-                dd($res->model->id );
+                dd($res->model()->id );
             });
             return $form;
     }