我们通过修改本地hosts文件中的内容，让访问github达到加速的目的，不需要安装这个那个的，下面直接进入正题
Windows用户去此目录下找到hosts并修改
C:\Windows\System32\drivers\etc
操作很简单，复制下面的内容到hosts文件中去（直接用记事本打开hosts文件，在最后面另起一行追加下面内容）
# 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
140.82.113.3 gist.github.com
185.199.108.153 github.io
140.82.114.4 github.com
140.82.112.6 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
140.82.113.9 codeload.github.com
52.217.88.28 github-cloud.s3.amazonaws.com
52.216.238.99 github-com.s3.amazonaws.com
52.216.26.252 github-production-release-asset-2e65be.s3.amazonaws.com
52.217.101.68 github-production-user-asset-6210df.s3.amazonaws.com
52.217.48.84 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
修改完hosts文件后可能还不能生效,可以刷新DNS
打开CMD（快捷键Win+R输入cmd按下回车）再输入：
ipconfig /flushdns
如果刷新后还是没有用可以尝试一下重启电脑