PHPMyWind安全警告：MySql Error！

错误文件：/show.php
错误信息：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 'OR parentstr LIKE '%,,%') AND id!=142 AND delstate='' AND checkinfo=true ORDER B' at line 1 Error sql: SELECT * FROM `pmw_infolist` WHERE (classid= OR parentstr LIKE '%,,%') AND id!=142 AND delstate='' AND checkinfo=true ORDER BY rand() LIMIT 3