处理 $Behind[select top 10 title as tt,filepath,filename from web_userform_web where sortid=11 and charindex(substring('SELinux导致PHP连接MySQL异常Can't connect to MySQL server的解决方法',0,charindex(',','SELinux导致PHP连接MySQL异常Can't connect to MySQL server的解决方法')),keyword)>0 |10]$ 标签时出现如下错误：'t' 附近有语法错误。