路径 /usr/lib/systemd/system/syncthing@.service

    [Unit]
    Description=Syncthing - Open Source Continuous File Synchronization for %I
    Documentation=man:syncthing(1)
    After=network.target

    [Service]
    User=%i
    ExecStart=/usr/bin/syncthing -no-browser -no-restart -logflags=0
    Restart=on-failure
    SuccessExitStatus=3 4
    RestartForceExitStatus=3 4

    [Install]
    WantedBy=multi-user.target

systemctl start syncthing@username systemctl enable syncthing@username