修改hosts文件，在末尾添加如下内容
# GitHub Start 192.30.253.112 Build software better, together 192.30.253.119 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 151.101.184.133 avatars1.githubusercontent.com 151.101.184.133 avatars2.githubusercontent.com 151.101.184.133 avatars3.githubusercontent.com 151.101.184.133 avatars4.githubusercontent.com 151.101.184.133 avatars5.githubusercontent.com 151.101.184.133 avatars6.githubusercontent.com 151.101.184.133 avatars7.githubusercontent.com 151.101.184.133 avatars8.githubusercontent.com # GitHub End
刷新一下Github就能查看网页中的图片了