fatal: unable to access 'https://github.com/ChinaVolvocars/jd_maotai_seckill.git/': LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to github.com:443
vim ~/.gitconfig
[http "https://github.com"]
proxy = socks5://127.0.0.1:1080
[https "https://github.com"]
proxy = socks5://127.0.0.1:1080
git config --global --unset http.proxy
git config --global --unset https.proxy