更新

app/Admin/Controllers/ChatListController.php

@@ -31,10 +31,10 @@ class ChatListController extends AdminController
         $grid->column('to_user_info.avatar','头像')->image('',50);
         $grid->column('to_user_info.nickname','昵称');
 
-        $grid->column('last_msg');
-        $grid->column('last_time');
+//        $grid->column('last_msg');
+//        $grid->column('last_time');
         $grid->column('atime');
-        $grid->column('un_read');
+//        $grid->column('un_read');
 
         $grid->filter(function (Grid\Filter $filter) {
             $filter->equal('id');