docs: ✏️ 启动说明

v2.0/README.md

-# 数据模拟
+# 安装依赖
 
 ```bash
 yarn
 ```
-```bash
-cd mockServer 
-```
-
-```bash
-cnpm install
-```
-
 
 
-编译ts代码
+# 编译ts代码
 ```bash
 ➜  npm start
 ```
 
-启动mockServr
+# 启动mockServr
 ```bash
 ➜  npm run mock
 ```