修改文件:C:\Windows\System32\drivers\etc\HOST
# Github
192.30.253.113 github.com
151.101.185.194 github.global.ssl.fastly.net
203.98.7.65 gist.github.com
13.229.189.0 codeload.github.com
185.199.109.153 desktop.github.com
185.199.108.153 guides.github.com
185.199.108.153 blog.github.com
18.204.240.114 status.github.com
185.199.108.153 developer.github.com
185.199.108.153 services.github.com
192.30.253.175 enterprise.github.com
34.195.49.195 education.github.com
185.199.108.153 pages.github.com
34.196.237.103 classroom.github.com
然后cmd用ipconfig/flushdns
刷新