upadte

mec-biz/src/main/resources/config/mybatis/StudentManageDao.xml

@@ -183,6 +183,7 @@
         LEFT JOIN `subject` s ON s.id_ = sr.actual_subject_id_
         LEFT JOIN music_group_subject_plan mgsp ON mg.id_ = mgsp.music_group_id_ AND s.id_ = mgsp.subject_id_
         WHERE sr.user_id_=#{userId} AND sr.music_group_status_ != 'QUIT'
+        ORDER BY mg.create_time_ DESC
     </select>
 
     <sql id="studentManageCourseQueryCondition">

mec-im/src/main/java/com/ym/service/Impl/RoomServiceImpl.java

@@ -315,7 +315,7 @@ public class RoomServiceImpl implements RoomService {
         }
     }
 
-    @Transactional
+    @Transactional(rollbackFor = Exception.class)
     @Override
     public void destroyRoom(String roomId) {
         roomDao.deleteByRid(roomId);