今天更新提示失败，这是什么原因

<?php defined('SYSTEMPATH') || exit('No direct script access allowed'); ?>

ERROR - 2021-09-10 12:14:26 --> Unknown column 'displayorder' in 'order clause'

CRITICAL - 2021-09-10 12:14:26 --> Unknown column 'displayorder' in 'order clause'

#SQL：SELECT * FROM `dr_site` ORDER BY `displayorder` ASC, `id` ASC  LIMIT 15