处理 $Behind[select top 10 title as tt,filepath,filename from web_userform_web where sortid=11 and charindex(substring('cann't connect to db,cann't,cann,cann't是什么意思,cann lle',0,charindex(',','cann't connect to db,cann't,cann,cann't是什么意思,cann lle')),keyword)>0 |10]$ 标签时出现如下错误：'t' 附近有语法错误。