下载并安装 RailsInstaller
修改gems下载源地址并更新
>gem sources -r https://rubygems.org/
>gem sources -a http://ruby.taobao.org/
>gem update --system
>gem update
>gem install compass下载并安装 python-*.msi
下载并安装 node-*.msi
>npm install -g bower gulp$ sudo apt-get install ruby-full$ sudo yum install ruby$ brew install ruby