update

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

@@ -1465,6 +1465,10 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 			existCours.setUpdateTime(now);
 			existCours.setStartClassTime(ac.getStartClassTime());
 			existCours.setEndClassTime(DateUtil.addMinutes(existCours.getStartClassTime(), singleClassMinutes));
+
+			if(DateUtil.isSameDay(existCours.getStartClassTime(), existCours.getEndClassTime())){
+				throw new BizException("课程暂不支持跨天");
+			}
 		}
 
 		Date startDateTime = existCourses.stream().min(Comparator.comparing(CourseSchedule::getStartClassTime)).get().getStartClassTime();