在国内优雅快速的使用Github的方法
也可以曲线救国，在Gitee中导入Github项目，然后再下载。
商店内搜索“Github加速” （翻墙）
修改 raw.githubusercontent.com 为 raw.staticdn.net
在 https://site.ip138.com/raw.Githubusercontent.com/ 输入raw.githubusercontent.com查询IP地址,然后修改host：
sudo vi /etc/hosts
# GitHub Start
52.74.223.119 github.com
192.30.253.119 gist.github.com
54.169.195.247 api.github.com
185.199.111.153 assets-cdn.github.com
151.101.76.133 raw.githubusercontent.com
151.101.108.133 user-images.githubusercontent.com
151.101.76.133 gist.githubusercontent.com
151.101.76.133 cloud.githubusercontent.com
151.101.76.133 camo.githubusercontent.com
151.101.76.133 avatars0.githubusercontent.com
151.101.76.133 avatars1.githubusercontent.com
151.101.76.133 avatars2.githubusercontent.com
151.101.76.133 avatars3.githubusercontent.com
151.101.76.133 avatars4.githubusercontent.com
151.101.76.133 avatars5.githubusercontent.com
151.101.76.133 avatars6.githubusercontent.com
151.101.76.133 avatars7.githubusercontent.com
151.101.76.133 avatars8.githubusercontent.com
首先获得要用的IP地址：
访问 http://github.global.ssl.fastly.net.ipaddress.com/#ipinfo 得到 IP1
访问 https://github.com.ipaddress.com/#ipinfo 得到IP2
然后用获取到的两个IP修改hosts
# sudo vim /etc/hosts
# github
199.232.69.194 github.global.ssl.fastly.net
140.82.112.4 github.com
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