参考学习链接： https://www.cnblogs.com/MuQuanyu-YuGod/articles/12549766.html
Github 网站无法访问的解决方法：
解决方案：
Cd到文件位置：C:WindowsSystem32driversetchosts
输入以下内容：
# 日期：2020/6/16 搜查到新的地址和IP 已经实时更新！
#GitHub Start
140.82.113.4 github.com
140.82.113.4 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