update

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

@@ -2298,7 +2298,7 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
                 groups.add(group);
                 teacherIds.add(courseScheduleEndDto.getActualTeacherId());
             }
-            List<Map<Integer, String>> nameIdMaps = teacherDao.queryUsernameByIds(teacherIds);
+            List<Map<Integer, String>> nameIdMaps = teacherDao.queryNameByIds(StringUtils.join(teacherIds,","));
             Map<Integer, String> nameIdMap=MapUtil.convertIntegerMap(nameIdMaps);
             groups = groupDao.findByGroupIds(groups);
             Map<String, Map<GroupType, List<Group>>> groupsGroupByGroup = groups.stream().collect(Collectors.groupingBy(Group::getId, Collectors.groupingBy(Group::getGroupType)));