处理 $Behind[select top 10 title as tt,filepath,filename from web_userform_web where sortid=48 and charindex(substring('dedecms出现Please set 'request_order' ini value to include C,G and P解决方法',0,charindex(',','dedecms出现Please set 'request_order' ini value to include C,G and P解决方法')),keyword)>0 |10]$ 标签时出现如下错误:'request_order' 附近有语法错误。