diff --git a/emis-biz/src/main/java/com/xdadan/erp/emis/service/EmisBaseService.java b/emis-biz/src/main/java/com/xdadan/erp/emis/service/EmisBaseService.java
index 48ca4551b..5ec36d85d 100644
--- a/emis-biz/src/main/java/com/xdadan/erp/emis/service/EmisBaseService.java
+++ b/emis-biz/src/main/java/com/xdadan/erp/emis/service/EmisBaseService.java
@@ -5129,8 +5129,8 @@ public class EmisBaseService {
          emisWaybill.setVirtualRemark(virtualRemark);
          emisWaybill.setId(masterWaybill.getId());
          emisWaybillMapper.updateEmisWaybill(emisWaybill);
-         if(StringUtil.isNotBlank(emisWaybillOld.getMasterBillCode())){
-             updateOldMasterBill(emisWaybillSave,emisWaybillOld.getMasterBillCode());
+         if (StringUtil.isNotBlank(emisWaybillOld.getMasterBillCode()) && !emisWaybillOld.getMasterBillCode().equals(emisWaybillSave.getMasterBillCode())) {
+             updateOldMasterBill(emisWaybillSave, emisWaybillOld.getMasterBillCode());
          }
      }