### 1.安装ruby,下载网址:https://rubyinstaller.org/downloads/
### 2.在命令行中安装sass
~~~
1. ruby -v 检测ruby是否成功安装和成功安装后ruby的版本;
2. gem sources --remove https://rubygems.org/ 移除原来的源地址
3. gem sources -a https://ruby.taobao.org/ 添加一个源地址
4. gem sources -l 检验一下源地址,是否设置正确;
5. gem install sass 安装sass
6. sass -v 安装成功后检测版本号
~~~
### 3.在vc-code里安装拓展程序:`easy sass`
### 4.更新sass
~~~
gem update sass
~~~