github仓库上传了一些图片但是在windows下用各种浏览器都无法查看，报错Failed to load resource: net::ERR_NAME_NOT_RESOLVED，上网查了下好像是github图片服务器被dns污染了，所以查不到，可以通过配置本机hosts文件的方式访问github图片服务器。

打开hosts文件，

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vi C:\Windows\System32\drivers\etc\hosts

添加如下内容，

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# 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

参考：