update

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

@@ -391,7 +391,8 @@ public class SubjectChangeServiceImpl extends BaseServiceImpl<Integer, SubjectCh
         SubjectChange subjectChange = new SubjectChange();
         SubjectChange studentLastChange = subjectChangeDao.getStudentLastChange(studentId, musicGroupId);
         if (studentLastChange != null) {
-        	List<Long> orderIdList = new ArrayList<Long>();
+        	throw new BizException("声部更换只能操作一次，请勿重复操作");
+        	/*List<Long> orderIdList = new ArrayList<Long>();
         	orderIdList.add(studentLastChange.getOrderId().longValue());
         	Set<Integer> refundSellOrderGoodsIds = getRefundGoodsId(orderIdList);
             subjectChange.setStudentId(studentLastChange.getStudentId());
@@ -426,7 +427,7 @@ public class SubjectChangeServiceImpl extends BaseServiceImpl<Integer, SubjectCh
                 }
             }
             subjectChange.setOriginalCost(originalCost);
-            return subjectChange;
+            return subjectChange;*/
         }
         //2.1不存在历史的更换
         StudentRegistration studentRegistration = studentRegistrationDao.queryByUserIdAndMusicGroupId(studentId, musicGroupId);