diff --git a/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java b/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java
index b2541ca08..3b11809fe 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/application/service/businessDocumentOrder/BusinessDocumentOrderAdjustService.java
@@ -667,6 +667,10 @@ public class BusinessDocumentOrderAdjustService {
     private void syncTmsOrder(ExecuteOrder executeOrder, BusinessDocumentOrder after) {
         TmsOrderAddDTO tmsOrderAddDTO = new TmsOrderAddDTO();
         BeanUtil.copyProperties(after, tmsOrderAddDTO);
+        // id 传 OMS 业务单主键：TMS 侧用作 tms_order_account.order_id 口径；
+        // TMS 的 update 在覆盖前会保留 tms_order 真实主键，不会被污染
+        tmsOrderAddDTO.setId(String.valueOf(after.getId()));
+        // TMS 侧按执行单号定位订单
         tmsOrderAddDTO.setExecuteOrderId(String.valueOf(executeOrder.getId()));
         tmsOrderAddDTO.setExecuteOrderNumber(executeOrder.getGoodsNumber());
         tmsOrderAddDTO.setGoodsNumber(after.getGoodsNumber());