处理 $Behind[select top 10 title as tt,filepath,filename from web_userform_game where sortid=66 and charindex(substring('极速狂飙4.1 Cruis'n USA隐藏要素 ',0,charindex(',','极速狂飙4.1 Cruis'n USA隐藏要素 ')),keyword)>0 |10]$ 标签时出现如下错误:'n' 附近有语法错误。