1.Hosts文件地址
C:WindowsSystem32driversetchosts
2.IP地址查询
到网站1或网站2查询以下链接的IP地址
github.com
gist.github.com
assets-cdn.github.com
raw.githubusercontent.com
gist.githubusercontent.com
cloud.githubusercontent.com
camo.githubusercontent.com
avatars0.githubusercontent.com
avatars1.githubusercontent.com
avatars2.githubusercontent.com
avatars3.githubusercontent.com
avatars4.githubusercontent.com
avatars5.githubusercontent.com
avatars6.githubusercontent.com
avatars7.githubusercontent.com
avatars8.githubusercontent.com
3.将查询到的信息加入到hosts文件中，需要管理员权限，例如：
# GitHub Start
140.82.112.3 github.com
140.82.114.4 gist.github.com
185.199.108.153 assets-cdn.github.com
199.232.68.133 raw.githubusercontent.com
199.232.68.133 gist.githubusercontent.com
199.232.68.133 cloud.githubusercontent.com
199.232.68.133 camo.githubusercontent.com
199.232.68.133 avatars0.githubusercontent.com
199.232.68.133 avatars1.githubusercontent.com
199.232.68.133 avatars2.githubusercontent.com
199.232.68.133 avatars3.githubusercontent.com
199.232.68.133 avatars4.githubusercontent.com
199.232.68.133 avatars5.githubusercontent.com
199.232.68.133 avatars6.githubusercontent.com
199.232.68.133 avatars7.githubusercontent.com
199.232.68.133 avatars8.githubusercontent.com
# Github End
4.cmd刷新DNS缓存
ipconfig /flushdns