https://www.rt-thread.org/qa/thread-11479-1-1.html
github加速解决方案，速度达到1Mib/s以上

https://blog.csdn.net/w958660278/article/details/81161224
加速国内Github访问



192.30.253.112 www.github.com
192.30.253.112 github.com

#151.101.193.194 github.global.ssl.fastly.net
#151.101.25.194 github.global.ssl.fastly.net
151.101.77.194  github.global.ssl.fastly.net

192.30.253.121 codeload.github.com

#151.101.72.133 assets-cdn.github.com
185.199.111.153 assets-cdn.github.com

151.101.76.133  avatars0.githubusercontent.com


ipconfig /flushdns

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http://www.xitongcheng.com/jiaocheng/win7_article_37990.html
win7打开或关闭windows功能没有游戏的解决方法