diff --git a/adc-da-slrs/src/main/java/com/adc/da/slrs/sarBussionessStand/service/impl/SarBussionessStandServiceImpl.java b/adc-da-slrs/src/main/java/com/adc/da/slrs/sarBussionessStand/service/impl/SarBussionessStandServiceImpl.java
index 81297190..7b5498fb 100644
--- a/adc-da-slrs/src/main/java/com/adc/da/slrs/sarBussionessStand/service/impl/SarBussionessStandServiceImpl.java
+++ b/adc-da-slrs/src/main/java/com/adc/da/slrs/sarBussionessStand/service/impl/SarBussionessStandServiceImpl.java
@@ -273,7 +273,7 @@ public class SarBussionessStandServiceImpl extends ServiceImpl<SarBussionessStan
             if(ObjectUtils.isNotEmpty(bussionessStand)){
                 sn = bussionessStand.getNewStandSn();
             }
-            if (StringUtils.isBlank(MaxSn) && (StringUtils.isBlank(snStandSort) || snStandSort.equals(standSort))){
+            if ((StringUtils.isBlank(MaxSn) || !MaxSn.equals(standMaxSn)) && (StringUtils.isBlank(snStandSort) || snStandSort.equals(standSort))){
                 saveBussStandSn(reviseStatus, standSort, sn, taskId);
             }
             bussionessStand.setStandSn(sn);