diff --git a/backend/services/system-setting/src/main/java/io/metersphere/system/mapper/ExtUserMapper.java b/backend/services/system-setting/src/main/java/io/metersphere/system/mapper/ExtUserMapper.java
index d2534c405c..daa5dba6d8 100644
--- a/backend/services/system-setting/src/main/java/io/metersphere/system/mapper/ExtUserMapper.java
+++ b/backend/services/system-setting/src/main/java/io/metersphere/system/mapper/ExtUserMapper.java
@@ -44,7 +44,7 @@ public interface ExtUserMapper {
      * 获取用户的安装时间，兼容历史用户使用问题
      * @return 安装时间
      */
-    long gaInstalledTime();
+    Long gaInstalledTime();
 
     void updateInstalled();
 }