diff --git a/klp-mes/src/main/java/com/klp/mes/eqp/service/impl/EqpSparePartsChangeServiceImpl.java b/klp-mes/src/main/java/com/klp/mes/eqp/service/impl/EqpSparePartsChangeServiceImpl.java
index c6fa9c77..0a4cebc5 100644
--- a/klp-mes/src/main/java/com/klp/mes/eqp/service/impl/EqpSparePartsChangeServiceImpl.java
+++ b/klp-mes/src/main/java/com/klp/mes/eqp/service/impl/EqpSparePartsChangeServiceImpl.java
@@ -181,7 +181,7 @@ public class EqpSparePartsChangeServiceImpl implements IEqpSparePartsChangeServi
         // 4. 更新备件库存（填充审计字段）
         sparePart.setQuantity(newQuantity);
         // 从Bo获取操作人（优先）或默认值
-        String operator = String.valueOf(LoginHelper.getLoginUser());
+        String operator = String.valueOf(LoginHelper.getUsername());
         sparePart.setUpdateBy(operator);
         sparePart.setUpdateTime(new Date());
         boolean updateSuccess = eqpSparePartMapper.updateById(sparePart) > 0;