bug解决

src/main/resources/mapper/StudentApplyMapper.xml

@@ -17,7 +17,7 @@
         p on p.id=a.time_period_id
         left join t_exam_room r on
         r.id=a.exam_room_id
-        left join t_user u on u.id=a.operate_id
+        left join t_user u on u.id=a.operate_id 
         where
         a.student_id=s.id and s.category_id=o.id
         <if test="req.teachingId != null">