标签：-- fail href nbsp col hub http html com
1. Failed to connect to github.com port 443: Timed out(之前正常，后来突然连接不通)
$ git config --global http.proxy $ git config --global --unset http.proxy
https://www.cnblogs.com/wy1935/p/7210114.html
标签：-- fail href nbsp col hub http html com
原文地址：https://www.cnblogs.com/Jieth/p/10868586.html
