配置代理: firefox - 设置 - 常规 - 网络设置
export https_proxy=http://10.12.170.200:7890
export http_proxy=http://10.12.170.200:7890
export all_proxy=socks5://10.12.170.200:7890
git config --global http.proxy http://10.12.170.200:7890
git config --global https.proxy http://10.12.170.200:7890