diff --git a/mhd_wms/src/main/java/com/mhd/wms/domain/outMaterialDetail/repository/persistence/OutMaterialDetailImpl.java b/mhd_wms/src/main/java/com/mhd/wms/domain/outMaterialDetail/repository/persistence/OutMaterialDetailImpl.java
index 5a4d310c1..7979f059b 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/domain/outMaterialDetail/repository/persistence/OutMaterialDetailImpl.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/domain/outMaterialDetail/repository/persistence/OutMaterialDetailImpl.java
@@ -282,7 +282,7 @@ public class OutMaterialDetailImpl extends ServiceImpl<OutMaterialDetailMapper,
                 for (OutMaterialDetailDO outMaterialDetailDOChild : materialDetailDOChildList){
                     OutMaterialDetail outMaterialDetailChild = new OutMaterialDetail();
                     BeanUtils.copyProperties(outMaterialDetailDOChild, outMaterialDetailChild, IgnoreNullUtil.getNullPropertyNames(outMaterialDetailDOChild));
-                    outMaterialDetailChild.setMaterialDetailId(null);
+                    //outMaterialDetailChild.setMaterialDetailId(null);
                     outMaterialDetailChild.setUniqueId(idGenerator.snowflakeId(SnowFlakeConstants.wmsId));
                     outMaterialDetailChild.setLevel(2);
                     outMaterialDetailChild.setParentUniqueId(outMaterialDetailDO.getUniqueId());