有没大佬看下我这个为什么自测通过提交不行呢？谢谢！ with t1 as (select uid,max(score) max_score from exam_record left join examination_info using(exam_id) group by uid) select uid,level,register_time,max_score from user_info left join t1 using(uid) where uid in (select uid from exam_record left join user_info using(uid) where job='算法' and date_format(register_time,'%Y%m')=date_format(submit_time,'%Y%m')) order by max_score desc limit 6,3