diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationStockOutOrder/service/ReservationStockOutOrderDomainService.java b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationStockOutOrder/service/ReservationStockOutOrderDomainService.java
index 69c81cf13..252ce1d42 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/reservationStockOutOrder/service/ReservationStockOutOrderDomainService.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/reservationStockOutOrder/service/ReservationStockOutOrderDomainService.java
@@ -199,23 +199,29 @@ public class ReservationStockOutOrderDomainService {
         List<ReservationDeliveryDetailsLink> oldList = reservationDeliveryDetailsLinkService.list(new LambdaQueryWrapper<ReservationDeliveryDetailsLink>().eq(ReservationDeliveryDetailsLink::getOrderId, stockOutOrderDO.getOutOrderId()));
         // ====================== 核心：取差值 ======================
         // 第一步：把新列表的所有id存入Set（O(1)查找，效率最高）
-        Set<Long> newIdSet = reservationDeliveryDetailsLinkList.stream()
-                .map(ReservationDeliveryDetailsLink::getId)
-                .filter(Objects::nonNull) // 过滤null id，避免空指针
-                .collect(Collectors.toSet());
-
-        // 第二步：筛选出旧列表中 不在新列表里的元素（就是要删除的差值）
-        List<ReservationDeliveryDetailsLink> deleteList = oldList.stream()
-                .filter(oldItem -> !newIdSet.contains(oldItem.getId()))
-                .collect(Collectors.toList());
-
-        // 第三步：执行删除（如果需要）
-        if (CollUtil.isNotEmpty(deleteList)) {
-            for (ReservationDeliveryDetailsLink reservationDeliveryDetailsLink : deleteList) {
-                reservationDeliveryDetailsLinkService.removeById(reservationDeliveryDetailsLink.getId());
-            }
+        if (reservationDeliveryDetailsLinkList != null && !reservationDeliveryDetailsLinkList.isEmpty()
+        && oldList != null && !oldList.isEmpty()) {
+            Set<Long> newIdSet = reservationDeliveryDetailsLinkList.stream()
+                    .map(ReservationDeliveryDetailsLink::getId)
+                    .filter(Objects::nonNull) // 过滤null id，避免空指针
+                    .collect(Collectors.toSet());
+            // 第二步：筛选出旧列表中 不在新列表里的元素（就是要删除的差值）
+            List<ReservationDeliveryDetailsLink> deleteList = oldList.stream()
+                    .filter(oldItem -> !newIdSet.contains(oldItem.getId()))
+                    .collect(Collectors.toList());
+            // 第三步：执行删除（如果需要）
+            if (CollUtil.isNotEmpty(deleteList)) {
+                for (ReservationDeliveryDetailsLink reservationDeliveryDetailsLink : deleteList) {
+                    reservationDeliveryDetailsLinkService.removeById(reservationDeliveryDetailsLink.getId());
+                }
 //            reservationDeliveryDetailsLinkService.removeByIds(deleteList);
+            }
         }
+
+
+
+
+
         if (!CollectionUtils.isEmpty(reservationDeliveryDetailsLinkList)) {
             for (ReservationDeliveryDetailsLink reservationDeliveryDetailsLink : reservationDeliveryDetailsLinkList) {
                 reservationDeliveryDetailsLink.setOrderNumber(stockOutOrderDO.getOutOrderNumber());