1、注册阿里云开发账号，可用支付宝等帐号授权登陆

https://dev.aliyun.com/

2、进入加速器页面获取加速信息

https://cr.console.aliyun.com/#/accelerator

3、修改配置（centos为例）

[root@qunniao ~]# cat >/etc/docker/daemon.json <<EOF
{
"registry-mirrors": ["https://lgc971x1.mirror.aliyuncs.com"]
}
EOF
[root@qunniao ~]# cat /etc/docker/daemon.json 
{
 "registry-mirrors": ["https://lgc971x1.mirror.aliyuncs.com"]
}
[root@qunniao ~]# systemctl daemon-reload 
[root@qunniao ~]# systemctl restart docker