更新

app/Admin/Controllers/UserController.php

@@ -22,6 +22,7 @@ class UserController extends AdminController
     {
         $grid = new Grid(new User());
         $grid->model()->with(['user_info'])->orderBy('id','desc');
+        dd($grid);
         $grid->column('id')->sortable();
         $grid->column('user_info.avatar','头像')->image("",50);
         $grid->column('mobile','手机号');