{
"registry-mirrors": [
"https://hub-mirror.c.163.com",
"https://registry.aliyuncs.com",
"https://registry.docker-cn.com",
"https://docker.mirrors.ustc.edu.cn" ]
}
<font style="color:rgb(36, 41, 47);">$ sudo systemctl daemon-reload $ sudo systemctl restart docker</font>