feat：合课

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

@@ -5248,10 +5248,6 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 		System.out.println("重复课程数量：" + courseRepeatIdMap.size());
 	}
 
-	public static void main(String[] args) {
-		System.out.println(Date.from(LocalDate.now().plusDays(3).atStartOfDay(DateUtil.zoneId).toInstant()));
-	}
-
 	@Override
 	@Transactional(rollbackFor = Exception.class)
 	public void courseMerge(CourseMergeDto courseMergeInfo) {