GitHub打开缓慢甚至失败的解决办法
在C:\Windows\System32\drivers\etc的hosts中增加如下内容：
20.205.243.166 github.com
199.59.149.236 github.global.ssl.fastly.net185.199.109.153 http://assets-cdn.github.com
185.199.108.153 http://assets-cdn.github.com
185.199.110.153 http://assets-cdn.github.com
185.199.111.153 http://assets-cdn.github.com#https://registry.opendata.aws/
65.8.161.84 https://aws.amazon.com
刷新配置：C:\Users\Admin>ipconfig/flushdns
