在.ssh/文件夹下添加一个config文件

macos/ubuntu

Host github.com

User git

ProxyCommand nc -x localhost:1080 %h %p

centos7

Host github.com

User git

ProxyCommand ssh cmsusr nc %h %p

windows

Host github.com

User git

ProxyCommand connect -S localhost:1080 %h %p

来源:http://mixoo.cn/2018/07/03/ss-bitbucket/