jenkins.service changed on disk. Run 'systemctl daemon-reload' to reload units

[root@izm5e1qim1yoreb6toj6d9z local]# service jenkins start
Starting jenkins (via systemctl):  Warning: jenkins.service changed on disk. Run 'systemctl daemon-reload' to reload units.
                                                           [  OK  ]
[root@izm5e1qim1yoreb6toj6d9z local]# systemctl daemon-reload
[root@izm5e1qim1yoreb6toj6d9z local]# systemctl restart jenkins

像他提示的那样，进行systemctl daemon-reload
然后systemctl restart jenkins重启