update README.md.

README.md

@@ -2,16 +2,12 @@
 
 ![输入图片说明](https://images.gitee.com/uploads/images/2020/0926/180427_65599512_2665180.png "QQ图片20200926174210.png")
 
-npm install
-```
+#### 软件架构  
+vue  
+  
+#### 使用说明  
+npm install  
+本地运行：npm run serve  
+打包发布：npm run build
 
-### Compiles and hot-reloads for development
-```
-npm run serve
-```
-
-### Compiles and minifies for production
-```
-npm run build
-```