发生了一个数据库错误

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and CID = order by k_id desc LIMIT 0,1' at line 1

select k_title,k_id from technology where k_id < and CID = order by k_id desc LIMIT 0,1

Filename: D:\wwwroot\zjtydn\wwwroot\system\database\DB_driver.php

Line Number: 330