1. 有代理:

①. 只对github.com
    git config --global http.https://github.com.proxy socks5://127.0.0.1:1080   // 有代理
    git config --global http.https://github.com.proxy github.com.cnpmjs.org     // 没有代理

②. 取消代理
    git config --global --unset http.https://github.com.proxy

2. 配置Hosts:

①. https://www.ipaddress.com/

②. 查找github.com与github.global.ssl.fastly.net对应的ip:
    xxxx  github.global.ssl.fastly.net
    xxxx  github.com

(1). 数据更新时间:2021-02-28 16:22:07:

# GitHub520 Host Start
185.199.108.154               github.githubassets.com
140.82.113.22                 central.github.com
185.199.108.133               desktop.githubusercontent.com
185.199.108.153               assets-cdn.github.com
185.199.108.133               camo.githubusercontent.com
185.199.108.133               github.map.fastly.net
199.232.69.194                github.global.ssl.fastly.net
192.30.253.113                gist.github.com
185.199.108.153               github.io
140.82.114.4                  github.com
140.82.113.5                  api.github.com
185.199.108.133               raw.githubusercontent.com
185.199.108.133               user-images.githubusercontent.com
185.199.108.133               favicons.githubusercontent.com
185.199.108.133               avatars5.githubusercontent.com
185.199.108.133               avatars4.githubusercontent.com
185.199.108.133               avatars3.githubusercontent.com
185.199.108.133               avatars2.githubusercontent.com
185.199.108.133               avatars1.githubusercontent.com
185.199.108.133               avatars0.githubusercontent.com
185.199.108.133               avatars.githubusercontent.com
140.82.112.10                 codeload.github.com
52.216.104.59                 github-cloud.s3.amazonaws.com
52.216.164.131                github-com.s3.amazonaws.com
52.216.29.28                  github-production-release-asset-2e65be.s3.amazonaws.com
52.217.81.140                 github-production-user-asset-6210df.s3.amazonaws.com
52.217.80.164                 github-production-repository-file-5c1aeb.s3.amazonaws.com
185.199.108.153               githubstatus.com
64.71.168.201                 github.community
185.199.108.133               media.githubusercontent.com
# GitHub520 Host End

(2). refresh dns settings:

sudo killall -HUP mDNSResponder