修改bug

ms-biz/src/main/java/com/ms/biz/service/impl/DsMessageServiceImpl.java

@@ -261,6 +261,7 @@ public class DsMessageServiceImpl implements DsMessageService {
 
         if (messageDTO.getAlibabaMsg() != null && messageDTO.getAlibabaMsg().isRefundMsg()) {
             handlePurchaseOrderRefund(purchaseOrderDTO, purchaseOrder, messageDTO.getAlibabaMsg());
+            return;
         }
 
         log.error("handleDsMessage purchaseOrderStatus: " + purchaseOrderStatus);