docker 报错 Job for docker.service failed because the control process exited with error code. See "...

centos 启动ｄｏｃｋｅｒ服务报错：

Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.

1，create daemon.json in /etc/docker/
2，
put this in it:
{
"exec-root": "/path/to/docker/run",
"storage-driver": "overlay",
"graph": "/path/to/docker/lib"
}

不行再执行提示的命令，查看详细信息。