diff --git a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/domain/materialBaseInfo/repository/persistence/MaterialBaseInfoImpl.java b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/domain/materialBaseInfo/repository/persistence/MaterialBaseInfoImpl.java
index c876598ab..3e44fa129 100644
--- a/mhd-modules/mhd-system/src/main/java/com/mhd/basic/domain/materialBaseInfo/repository/persistence/MaterialBaseInfoImpl.java
+++ b/mhd-modules/mhd-system/src/main/java/com/mhd/basic/domain/materialBaseInfo/repository/persistence/MaterialBaseInfoImpl.java
@@ -87,7 +87,10 @@ public class MaterialBaseInfoImpl extends ServiceImpl<MaterialBaseInfoMapper, Ma
      * @param materialBaseInfoDO
      */
     public void synchMaterialBaseInfo(MaterialBaseInfoDO materialBaseInfoDO, Integer updateFeign){
-        MaterialBaseInfoFeign materialBaseInfoFeign = JSONUtil.toBean(JSONUtil.toJsonStr(materialBaseInfoDO), MaterialBaseInfoFeign.class);
+        MaterialBaseInfoFeign materialBaseInfoFeign = new MaterialBaseInfoFeign();
+        // 或者用 JSON 转换后再复制（保证对象是真正的实例）
+        MaterialBaseInfoFeign temp = JSONUtil.toBean(JSONUtil.toJsonStr(materialBaseInfoDO), MaterialBaseInfoFeign.class);
+        BeanUtils.copyProperties(temp, materialBaseInfoFeign);
         materialBaseInfoFeign.setUpdateFeign(updateFeign);
         AjaxResult ajaxResult = wmsServiceFeign.edit(materialBaseInfoFeign);
         if (!"200".equals(String.valueOf(ajaxResult.get("code")))){