修改hosts

打开文件： C:\Windows\System32\drivers\etc\hosts

在文件末尾添加：

# GitHub Start 
140.82.113.3      github.com
140.82.114.20     gist.github.com 
151.101.184.133   assets-cdn.github.com
151.101.184.133   raw.githubusercontent.com
151.101.184.133   gist.githubusercontent.com
151.101.184.133   cloud.githubusercontent.com
151.101.184.133   camo.githubusercontent.com
151.101.184.133   avatars0.githubusercontent.com
199.232.68.133    avatars0.githubusercontent.com
199.232.28.133    avatars1.githubusercontent.com
151.101.184.133   avatars1.githubusercontent.com
151.101.184.133   avatars2.githubusercontent.com
199.232.28.133    avatars2.githubusercontent.com
151.101.184.133   avatars3.githubusercontent.com
199.232.68.133    avatars3.githubusercontent.com
51.101.184.133    avatars4.githubusercontent.com
199.232.68.133    avatars4.githubusercontent.com
151.101.184.133   avatars5.githubusercontent.com
199.232.68.133    avatars5.githubusercontent.com
151.101.184.133   avatars6.githubusercontent.com
199.232.68.133    avatars6.githubusercontent.com
151.101.184.133   avatars7.githubusercontent.com
199.232.68.133    avatars7.githubusercontent.com
151.101.184.133   avatars8.githubusercontent.com
199.232.68.133    avatars8.githubusercontent.com 
# GitHub End

参考文献：https://blog.csdn.net/qq_38232598/article/details/91346392