|  | @@ -463,8 +463,9 @@ public class ClassGroupStudentMapperServiceImpl extends BaseServiceImpl<Long, Cl
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				|  |  |          if (Objects.isNull(classGroup)) {
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				|  |  |              throw new BizException("班级信息错误");
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				|  |  |          }
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				|  |  | +        MusicGroup musicGroup = musicGroupDao.get(classGroup.getMusicGroupId());
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				|  |  |          //是否有预排课
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				|  |  | -        if(courseScheduleDao.queryPreCourseListByClassGroupId(classGroupId.intValue()).size() > 0){
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				|  |  | +        if(courseScheduleDao.queryPreCourseListByMusicGroupId(musicGroup.getId()).size() > 0){
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				|  |  |              throw new BizException("调整失败:请先完成预排课操作");
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				|  |  |          }
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				|  |  |          if (ClassGroupTypeEnum.MUSIC_NETWORK.equals(classGroup.getType())) {
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				|  | @@ -489,7 +490,7 @@ public class ClassGroupStudentMapperServiceImpl extends BaseServiceImpl<Long, Cl
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				|  |  |              oldStudentIds = classGroupStudents.stream().map(ClassGroupStudentMapper::getUserId).collect(Collectors.toSet());
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				|  |  |              oldNormalStudentIds = classGroupStudents.stream().filter(s -> ClassGroupStudentStatusEnum.NORMAL.equals(s.getStatus())).map(ClassGroupStudentMapper::getUserId).collect(Collectors.toSet());
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				|  |  |          }
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				|  |  | -        MusicGroup musicGroup = musicGroupDao.get(classGroup.getMusicGroupId());
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				|  |  | +
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				|  |  |          //线上基础技能班,原始分班人数不能小于3人大于6人
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				|  |  |          if (classGroup.getType().equals(ClassGroupTypeEnum.HIGH_ONLINE)) {
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				|  |  |  
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