执行SQL发生错误!错误:no such column: b.cstyle,语句:SELECT a.*,b.name as classname,b.cstyle,c.tags FROM avatar_news a LEFT JOIN avatar_news_class b ON a.class_id=b.class_id LEFT JOIN news_tag c ON a.id=c.news_id WHERE(a.class_id in ('1')) AND(a.date<'2024-03-19 12:16:02')
程序版本:3.0.1,
操作系统:WINNT,
WEB应用:Microsoft-IIS/10.0