update

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

@@ -440,8 +440,11 @@ public class SubjectChangeServiceImpl extends BaseServiceImpl<Integer, SubjectCh
         	}
         }
 
-        Set<Integer> refundSellOrderGoodsIds = getRefundGoodsId(details.stream().map(t -> t.getPaymentOrderId()).collect(Collectors.toList()));
-
+		Set<Integer> refundSellOrderGoodsIds = new HashSet<Integer>();
+		if (details.size() > 0) {
+			refundSellOrderGoodsIds = getRefundGoodsId(details.stream().map(t -> t.getPaymentOrderId()).collect(Collectors.toList()));
+		}
+		
         MusicGroup musicGroup = musicGroupDao.get(musicGroupId);
         subjectChange.setStudentId(studentId);
         subjectChange.setOrganId(musicGroup.getOrganId());
@@ -489,7 +492,10 @@ public class SubjectChangeServiceImpl extends BaseServiceImpl<Integer, SubjectCh
             subjectChange.setOriginalAccessoriesPrice(price);
         }
         //2.2 计算销售成本
-        BigDecimal orderSellCost = sellOrderDao.getOrderSellCost(paymentOrderIdList);
+        BigDecimal orderSellCost = BigDecimal.ZERO;
+        if (paymentOrderIdList != null && paymentOrderIdList.size() > 0) {
+        	orderSellCost = sellOrderDao.getOrderSellCost(paymentOrderIdList);
+        }
         subjectChange.setOriginalCost(orderSellCost == null ? BigDecimal.ZERO : orderSellCost);
         return subjectChange;
     }