update

README.md

@@ -2,20 +2,23 @@
 
 > 红山开源工具库致力于集成开发团队及研究团队常用好用的日常工具，做到轻量级、易部署集成，目前项目正在开发ing
 
+![img.png](img.png)
+
 ## Build Setup
 
 ``` bash
 # install dependencies
-npm install
+yarn install
 
 # serve with hot reload at localhost:8080
-npm run dev
+yarn serve
 
 # build for production with minification
-npm run build
+yarn build
+
 
-# build for production and view the bundle analyzer report
-npm run build --report
 ```
 
-For a detailed explanation on how things work, check out the [guide](http://vuejs-templates.github.io/webpack/) and [docs for vue-loader](http://vuejs.github.io/vue-loader).
+
+
+