fatal: unable to access ‘https://github.com/alibaba/flutter_boost.git/

Git error. Command: git fetch
stdout:
stderr: fatal: unable to access ‘https://github.com/alibaba/flutter_boost.git/’: Failed to connect to github.com port 443 after 75005 ms: Couldn’t connect to server
exit code: 128

GitHub (国际型)代码 分发平台/托管平台

解决方案：外网环境 VPN