ERROR

▶ /usr/bin/ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”
curl: (7) Failed to connect to raw.githubusercontent.com port 443: Operation timed out

解决方案
Try to add your SSH key to Github before retry

SSH key 创建教程：
https://blog.csdn.net/sunnywuxian/article/details/89707129

官网帮助：
https://help.github.com/articles/connecting-to-github-with-ssh/