update

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

@@ -4100,7 +4100,7 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
             		MusicGroup musicGroup = musicGroupDao.get(courseSchedule.getMusicGroupId());
             		if(musicGroup != null){
             			musicGroup.setFirstCourseStartTime(courseSchedule.getClassDate());
-            			musicGroup.setGroupMemberNum(courseScheduleStudentPaymentDao.countStudentNum(courseSchedule.getId()));
+            			musicGroup.setGroupMemberNum(courseScheduleStudentPaymentDao.countStudentNum(courseSchedule.getId().intValue()));
             			
             			musicGroupDao.update(musicGroup);
             		}