PHPMyWind安全警告：MySql Error！

错误文件：/article_image-34-15.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 'or parentid=34 and checkinfo = true' at line 1 Error sql: SELECT * FROM `pmw_infoclass` WHERE id= or parentid=34 and checkinfo = true