使国内NAT可以访问github，从github下载文件
访问/etc/hosts文件 ，加入如以下代码
vim /etc/hosts //访问/etc/hosts文件
加入如以下代码
140.82.113.3 github.com
192.30.253.118 gist.github.com
185.199.109.153 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
199.232.28.133 avatars0.githubusercontent.com
199.232.28.133 avatars1.githubusercontent.com
199.232.28.133 avatars2.githubusercontent.com
199.232.28.133 avatars3.githubusercontent.com
199.232.28.133 avatars4.githubusercontent.com
199.232.28.133 avatars5.githubusercontent.com
199.232.28.133 avatars6.githubusercontent.com
199.232.28.133 avatars7.githubusercontent.com
199.232.28.133 avatars8.githubusercontent.com
THE END
