添加学员如果存在待支付订单，关闭掉

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

@@ -832,7 +832,9 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
     @Transactional(rollbackFor = Exception.class)
     public void updateExpectedStudentNum(List<UpdateExpectedNumDto> updateExpectedNumDtos) {
         updateExpectedNumDtos.forEach(e->{
-            musicGroupSubjectPlanDao.updateExpectedStudentNum(e.getExpectedStudentNum(),e.getMusicGroupSubjectPlanId());
+            MusicGroupSubjectPlan musicGroupSubjectPlan = musicGroupSubjectPlanDao.get(e.getMusicGroupSubjectPlanId());
+            musicGroupSubjectPlan.setExpectedStudentNum(e.getExpectedStudentNum());
+            musicGroupSubjectPlanDao.update(musicGroupSubjectPlan);
         });
     }