|  | @@ -547,6 +547,9 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
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				|  |  |  		List<CourseSchedule> existCourseSchedules = courseScheduleDao
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				|  |  |  				.findAllCourseByDateZone(firstCourseSchedule.getStartClassTime(), latestCourseSchedule.getEndClassTime());
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				|  |  |  
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				|  |  | +		if(existCourseSchedules ==null || existCourseSchedules.size()==0){
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				|  |  | +			return null;
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				|  |  | +		}
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				|  |  |  		//只需要调整课程信息的课程编号列表
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				|  |  |  		List<Long> updateCourseScheduleIds = courseSchedules
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				|  |  |  				.stream()
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				|  | @@ -621,7 +624,7 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
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				|  |  |  				boolean isTeacherRepeat = false;
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				|  |  |  				boolean isStudentRepeat = false;
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				|  |  |  				//检测老师冲突
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				|  |  | -				existCourseSchedule.setTeachingTeacherIdList(courseScheduleTeacherMap.get(existCourseSchedule.getId()).getIds());
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				|  |  | +				existCourseSchedule.setTeachingTeacherIdList(courseScheduleTeacherMap.get(existCourseSchedule.getId().intValue()).getIds());
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				|  |  |  				newCourseSchedule.setTeachingTeacherIdList(classGroupTeachingTeacherMap.get(newCourseSchedule.getClassGroupId()).getIds());
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				|  |  |  
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				|  |  |  				if(!CollectionUtils.isEmpty(newCourseSchedule.getTeachingTeacherIdList())
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