sass安装（windows版）

1、下载并安装Ruby到c盘（建议），注意安装勾选“Add Ruby executables to your PATH”

2、打开电脑的命令终端，输入下面的命令：

gem sources --remove https://rubygems.org/
gem sources -a http://gems.ruby-china.org/
gem sources -l
gem install sass

3、更新sass

gem update sass

4、卸载sass

gem uninstall sass