diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaProjectServiceImpl.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaProjectServiceImpl.java
index 93c839a..d9090fd 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaProjectServiceImpl.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaProjectServiceImpl.java
@@ -520,7 +520,7 @@ public class SysOaProjectServiceImpl implements ISysOaProjectService {
                 .set(SysOaProject::getIsPostpone, 1) // 标记为已延期（1=是）
                 .setSql("postpone_count = postpone_count + 1") // 延期次数+1
                 .set(SysOaProject::getUpdateTime, new Date()) // 更新时间
-                .set(SysOaProject::getUpdateBy, LoginHelper.getLoginUser()); // 获取当前操作用户
+                .set(SysOaProject::getUpdateBy, LoginHelper.getUsername()); // 获取当前操作用户
 
         // 5. 执行更新，返回操作结果（更新行数>0则视为成功）
         return baseMapper.update(null, updateWrapper) > 0;