数据库错误: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'GROUP BY wxnickname order by latest_order_date desc' at line 1]
SELECT id,title,fileSize,dtTime,wxnickname,wxheadimgurl,wxcity,MAX(dtTime) AS latest_order_date FROM `hdt_downloadyl` WHERE 1=1 and channelId=3868 and wzid = GROUP BY wxnickname order by latest_order_date desc