PHPMyWind安全警告：MySql Error！

错误文件：/Press-Media/index.html
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 delstate='' AND checkinfo=true ORDER BY posttime DESC, orderid DESC' at line 1 Error sql: SELECT * FROM `pmw_infolist` WHERE classid= AND delstate='' AND checkinfo=true ORDER BY posttime DESC, orderid DESC