diff --git a/tool/update-upgrade/ss-update-notifier.sh b/tool/update-upgrade/ss-update-notifier.sh
index a220741e..14698a61 100755
--- a/tool/update-upgrade/ss-update-notifier.sh
+++ b/tool/update-upgrade/ss-update-notifier.sh
@@ -12,7 +12,7 @@ function notify-send() {
     # Detect uid of the user
     local uid=$(id -u $user)
 
-    su -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/${uid}/bus notify-send "$@"
+    sudo -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/${uid}/bus notify-send "$@"
 }
 
 # 检测网络链接畅通