以这个方式增加更多的镜像
"registry-mirrors": [
"https://docker.m.daocloud.io",
"https://noohub.ru",
"https://huecker.io",
"https://docker.timeweb.cloud",
"https://registry.hub.docker.com",
"http://hub-mirror.c.163.com",
"https://docker.mirrors.ustc.edu.cn",
"https://registry.docker-cn.com"
"https://docker.registry.cyou/",
"https://docker-cf.registry.cyou/",
"https://dockercf.jsdelivr.fyi/",
"https://docker.jsdelivr.fyi/",
"https://dockertest.jsdelivr.fyi/",
"https://mirror.aliyuncs.com/",
"https://dockerproxy.com/",
"https://mirror.baidubce.com/",
"https://docker.m.daocloud.io/",
"https://docker.nju.edu.cn/",
"https://docker.mirrors.sjtug.sjtu.edu.cn/",
"https://docker.mirrors.ustc.edu.cn/",
"https://mirror.iscas.ac.cn/",
"https://docker.rainbond.cc/",
"https://jq794zz5.mirror.aliyuncs.com",
"https://docker.m.daocloud.io"
]