Nginx启动时service nginx start出现错误

命令service nginx start

出现错误

Starting nginx (via systemctl):  Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.
                                                           [FAILED]

然后查看详情systemctl status nginx.service

systemctl status nginx.service
● nginx.service - SYSV: Nginx is an HTTP(S) server, HTTP(S) reverse proxy and IMAP/POP3 proxy server
   Loaded: loaded (/etc/rc.d/init.d/nginx; bad; vendor preset: disabled)
   Active: failed (Result: exit-code) since Sun 2019-07-07 15:51:25 CST; 8s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 22685 ExecStart=/etc/rc.d/init.d/nginx start (code=exited, status=5)Jul 07 15:51:25 iZwz9gionemu6x0y9pvxihZ systemd[1]: Starting SYSV: Nginx is an HTTP(S) server, HTTP(S) reverse proxy and IMAP/POP3...ver...
Jul 07 15:51:25 iZwz9gionemu6x0y9pvxihZ systemd[1]: nginx.service: control process exited, code=exited status=5
Jul 07 15:51:25 iZwz9gionemu6x0y9pvxihZ systemd[1]: Failed to start SYSV: Nginx is an HTTP(S) server, HTTP(S) reverse proxy and IM...erver.
Jul 07 15:51:25 iZwz9gionemu6x0y9pvxihZ systemd[1]: Unit nginx.service entered failed state.
Jul 07 15:51:25 iZwz9gionemu6x0y9pvxihZ systemd[1]: nginx.service failed.
是什么问题啊