更新

app/Admin/Controllers/ChatListController.php

@@ -35,7 +35,7 @@ class ChatListController extends AdminController
 //        $grid->column('last_time');
         $grid->column('atime');
 //        $grid->column('un_read');
-
+        $grid->disableCreateButton();
         $grid->filter(function (Grid\Filter $filter) {
             $filter->equal('id');
             $filter->like('user_info.nickname','昵称');