a network error occurred while checking 'https://github.com/': operation timed out
Hosts文件添加以下代码
20.205.243.166 github.com
199.232.69.194 github.global.ssl.fastly.net
# Windows路径
C:\Windows\System32\drivers\etc\hosts
# Mac/Linux路径
/etc/hosts
添加后清理DNS缓存
# Windows
ipconfig /flushdns
# MacOS
sudo dscacheutil -flushcache
sudo killall -HUP mDNSResponder
# Linux
sudo systemd-resolve --flush-caches