1.修改daemon.json

vi /etc/docker/daemon.json

#下面内容添加进去
{
    "registry-mirrors": [
        "https://hub.uuuadc.top",
        "https://docker.anyhub.us.kg",
        "https://dockerhub.jobcher.com",
        "https://dockerhub.icu",
        "https://docker.ckyl.me",
        "https://docker.awsl9527.cn"
    ]
}

2.重新加载配置

systemctl daemon-reload

3.重启docker

systemctl restart docker