update

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

@@ -2312,7 +2312,7 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
                 studentLastChange = subjectChangeDao.getStudentLastChange(userId, musicGroupId);
             }
             
-			if (studentLastChange != null) {
+			if (studentLastChange != null && paymentOrderIdList.contains(studentLastChange.getOriginalOrderId().longValue())) {
 				if (isRefundInstrumentFee) {
 					amount = amount.add(studentLastChange.getChangeMusicalPrice());
 				}