1、添加教务老师字段

2、布置作业

mec-biz/src/main/java/com/ym/mec/biz/service/impl/GroupClassServiceImpl.java

@@ -94,7 +94,7 @@ public class GroupClassServiceImpl implements GroupClassService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean cleanGroupInfo(String groupId, GroupType groupType) {
-        classGroupDao.deleteByGroupWithLogic(groupId,groupType);
+//        classGroupDao.deleteByGroupWithLogic(groupId,groupType);
         classGroupStudentMapperDao.deleteByGroupWithLogic(groupId,groupType);
         List<CourseSchedule> groupNotStartCourses = courseScheduleDao.findGroupNotStartCourses(groupId, groupType);
         if(CollectionUtils.isEmpty(groupNotStartCourses)){