diff --git a/systemd/anylink.service b/systemd/anylink.service
index 72c3297..c2023a2 100644
--- a/systemd/anylink.service
+++ b/systemd/anylink.service
@@ -11,12 +11,14 @@ Restart=on-failure
 RestartSec=5s
 ExecStart=/usr/local/anylink-deploy/anylink --conf=/usr/local/anylink-deploy/conf/server.toml
 
+# systemctl --version
+
 # systemd older than v236
 # ExecStart=/bin/bash -c 'exec /usr/local/anylink-deploy/anylink --conf=/usr/local/anylink-deploy/conf/server.toml >> /usr/local/anylink-deploy/log/anylink.log 2>&1'
 
-
-StandardOutput=file:/usr/local/anylink-deploy/log/anylink.log
-StandardError=file:/usr/local/anylink-deploy/log/anylink.log
+# systemd new than v236
+# StandardOutput=file:/usr/local/anylink-deploy/log/anylink.log
+# StandardError=file:/usr/local/anylink-deploy/log/anylink.log
 
 [Install]
 WantedBy=multi-user.target