記住3個關鍵網址
github網址查詢：The world's leading software development platform · GitHub
github域名查詢：? github.global.ssl.fastly.net Website statistics and traffic analysis
github靜態資源ip：https://github.com.ipaddress.com/assets-cdn.github.com
github網址ip查詢
github域名查詢
github靜態ip查詢
修改host文件，修改host文件，在最后附上下面的內容
140.82.112.4 github.com
199.232.69.194 github.global.ssl.fastly.net
185.199.108.153 assets-cdn.github.com
185.199.110.153 assets-cdn.github.com
185.199.111.153 assets-cdn.github.com
修改hosts文件方法：
sudo vi /etc/hosts
