1 安装git

               sudo apt install git
               git --version

                git version 2.25.1       

2 解决git超时

2.1 扩大post的buffer

        git config --global http.postBuffer 524288000

        git config --global http.postBuffer 157286400

2.2 换回HTTP1上传。上传之后再切换回HTTP2

        git config --global http.version HTTP/1.1
        git config --global http.version HTTP/2

2.3 修改修改下载速度

        git config --global http.lowSpeedLimit 0 
        git config --global http.lowSpeedTime 999999