docker拉取镜像失败

1、报错如下

Error response from daemon: Get "https://registry-1.docker.io/v2/": dial tcp 67.15.100.252:443: i/o timeout

2、 修改/etc/docker/daemon.json

增加"registry-mirrors":镜像地址

{
 "data-root": "/var/lib/docker", 
 "experimental": true, 
 "fixed-cidr-v6": "fc00:1010:1111:100::/64", 
 "ip6tables": true, 
 "ipv6": true, 
 "live-restore": true, 
 "log-driver": "json-file", 
 "log-opts": {
  "max-file": "3", 
  "max-size": "10m"
 },
"registry-mirrors": [
"https://2a6bf1988cb6428c877f723ec7530dbc.mirror.swr.myhuaweicloud.com",
"https://docker.m.daocloud.io",
"https://hub-mirror.c.163.com",
"https://mirror.baidubce.com",
"https://your_preferred_mirror",
"https://dockerhub.icu",
"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"
]
}