1.终端输入

curl -L -O https://raw.github.com/nvie/gitflow/develop/contrib/gitflow-installer.sh

之后看到安装日志输出 usage: git flow init [-fd]的时候

在终端内输入 git flow init 

之后会出现

Branch name for production releases: []

选择master develop 二选一

我自己选择了master  后续选择develop

之后出现这条输出

How to name your supporting branch prefixes?

Feature branches? [feature/] feature  

出现Feature branches? [feature/]  的时候 一路回车键就好了。