fix 增加临时班报错

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

@@ -1137,6 +1137,7 @@ public class StudentRegistrationServiceImpl extends BaseServiceImpl<Long, Studen
             if (studentLastChange.getChangeMusical() != null) {
                 StudentPaymentOrderDetail musical = new StudentPaymentOrderDetail();
                 musical.setType(OrderDetailTypeEnum.MUSICAL);
+                musical.setKitGroupPurchaseType(studentLastChange.getKitGroupPurchaseType());
                 musical.setPrice(studentLastChange.getChangeMusicalPrice());
                 musical.setGoodsList(goodsDao.findGoodsByIds(studentLastChange.getChangeMusical().toString()));
                 details.add(musical);