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 2a483b3f5..29de9624a 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
@@ -201,12 +201,18 @@ public class OutMaterialDetailImpl extends ServiceImpl<OutMaterialDetailMapper,
             String materialNo = outMaterialDetail.getMaterialNo();
             List<MaterialBaseInfo> materialBaseInfos = materialBaseInfoMapper.selectList(new QueryWrapper<MaterialBaseInfo>().lambda().eq(MaterialBaseInfo::getMaterialCode, materialNo));
             if (!CollectionUtils.isEmpty(materialBaseInfos) && materialBaseInfos.size() > 0) {
-                outMaterialDetail.setCommodityName(materialBaseInfos.get(0).getMaterialName());
-                outMaterialDetail.setBarCode(materialBaseInfos.get(0).getBarCode());
-                outMaterialDetail.setPackName(materialBaseInfos.get(0).getPackName());
-                outMaterialDetail.setPackCode(materialBaseInfos.get(0).getPackCode());
-                outMaterialDetail.setUnitCode(materialBaseInfos.get(0).getUnitCode());
-                outMaterialDetail.setUnitName(materialBaseInfos.get(0).getUnitName());
+                MaterialBaseInfo mbi = materialBaseInfos.get(0);
+                outMaterialDetail.setCommodityName(mbi.getMaterialName());
+                // 主数据未维护条码时不写入明细，避免误带主表 bar_code（如历史脏数据）；有维护再回填
+                if (StringUtils.isNotBlank(mbi.getBarCode())) {
+                    outMaterialDetail.setBarCode(mbi.getBarCode().trim());
+                } else {
+                    outMaterialDetail.setBarCode(null);
+                }
+                outMaterialDetail.setPackName(mbi.getPackName());
+                outMaterialDetail.setPackCode(mbi.getPackCode());
+                outMaterialDetail.setUnitCode(mbi.getUnitCode());
+                outMaterialDetail.setUnitName(mbi.getUnitName());
             }
             outMaterialDetailList.add(outMaterialDetail);
         }