sudo vim /etc/docker/daemon.json
{"registry-mirrors":["http://ctcc1.xiyoucloud.pro:63331","https://5whzerwg.mirror.aliyuncs.com","https://hub-mirror.c.163.com","https://mirror.baidubce.com"],"insecure-registries":["ctcc1.xiyoucloud.pro:63331","ctcc1.xiyoucloud.pro:63330"]}
sudo systemctl daemon-reload && sudo systemctl restart docker