diff --git a/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/MemberGroupServiceImpl.java b/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/MemberGroupServiceImpl.java
index a5549bcb5..35b28dc64 100644
--- a/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/MemberGroupServiceImpl.java
+++ b/jsowell-pile/src/main/java/com/jsowell/pile/service/impl/MemberGroupServiceImpl.java
@@ -315,7 +315,7 @@ public class MemberGroupServiceImpl implements MemberGroupService {
         for (Map.Entry<String, List<OrderBasicInfo>> entry : listMap.entrySet()) {
             // 订单根据结算时间倒序，结算时间为null的排在最后(null在前，结算日期正序，之后整个list反转)
             List<OrderBasicInfo> orderBasicInfoList = entry.getValue().stream()
-                    .sorted(Comparator.comparing(OrderBasicInfo::getSettlementTime, Comparator.nullsFirst(Comparator.reverseOrder())))
+                    .sorted(Comparator.comparing(OrderBasicInfo::getSettlementTime, Comparator.nullsLast(Comparator.reverseOrder())))
                     .collect(Collectors.toList());
             if (CollectionUtils.isEmpty(orderBasicInfoList)) {
                 continue;