PHPMyWind安全警告：MySql Error！

错误文件：/office.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 fystate='\xE4\xB8\x8A\xE6\x9E\xB6\xE4\xB8\xAD' AND delstate='' AND checkin' at line 1 Error sql: SELECT `loupanid` FROM `pmw_infolist` WHERE classid=3 AND (zongjia>50 AND zongjia<=) AND fystate='上架中' AND delstate='' AND checkinfo=true group by loupanid