diff --git a/mhd_wms/src/main/java/com/mhd/wms/application/service/materialBaseInfo/MaterialBaseInfoApplicationService.java b/mhd_wms/src/main/java/com/mhd/wms/application/service/materialBaseInfo/MaterialBaseInfoApplicationService.java
index 8879dc1c6..065e374f3 100644
--- a/mhd_wms/src/main/java/com/mhd/wms/application/service/materialBaseInfo/MaterialBaseInfoApplicationService.java
+++ b/mhd_wms/src/main/java/com/mhd/wms/application/service/materialBaseInfo/MaterialBaseInfoApplicationService.java
@@ -444,6 +444,8 @@ public class MaterialBaseInfoApplicationService {
             if (StringUtils.isBlank(row.getHsCode()) && StringUtils.isNotBlank(row.getHsCodeImport())) {
                 row.setHsCode(row.getHsCodeImport().trim());
             }
+            // Excel 表头错位或重复时，HS 可能被读入「物料条形码」列；与 HS 完全相同时视为误填，保留 hsCode、清空条码
+            normalizeImportBarCodeWhenDuplicateOfHs(row);
             fillOrganizationName(row, loginUser);
 
             String shipperCode = StringUtils.defaultString(row.getShipperCode(), "");
@@ -964,6 +966,25 @@ public class MaterialBaseInfoApplicationService {
         }
     }
 
+    /**
+     * 导入约定：「HS码/HS编码」与「物料条形码」为不同列。模板表头错位或两列误填相同 HS 时，
+     * barCode 会与 hsCode 相同；此时保留 hsCode，清空主表/子表条码，避免 HS 写入 bar_code。
+     */
+    private void normalizeImportBarCodeWhenDuplicateOfHs(MaterialBaseInfoDTO row) {
+        if (row == null) {
+            return;
+        }
+        if (StringUtils.isBlank(row.getBarCode())) {
+            row.setBarCode(null);
+            return;
+        }
+        row.setBarCode(row.getBarCode().trim());
+        String hs = StringUtils.isNotBlank(row.getHsCode()) ? row.getHsCode().trim() : "";
+        if (StringUtils.isNotBlank(hs) && row.getBarCode().equals(hs)) {
+            row.setBarCode(null);
+        }
+    }
+
     private List<MaterialBarCodeDO> buildImportBarCodeList(MaterialBaseInfoDTO row) {
         if (StringUtils.isBlank(row.getBarCode())) {
             return null;