PHPMyWind安全警告：MySql Error！

错误文件：/project_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 'AND id!=0 AND checkinfo=true AND delstate=''' at line 1 Error sql: SELECT * FROM `pmw_infolist` WHERE classid= AND id!=0 AND checkinfo=true AND delstate=''