update

Author: introvert-y

.DS_Store

@@ -0,0 +1 @@
+node_modules

.gitignore

@@ -4,14 +4,16 @@ This project was bootstrapped with [Create React App](https://github.com/faceboo
 
 In the project directory, you can run:
 
-### `npm start`
+### `npm run eject`
 
-Runs the app in the development mode.<br>
-Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+把webpack的配置文件给暴露出来
 
-The page will reload if you make edits.<br>
-You will also see any lint errors in the console.
+### `npm install`
+
+安装依赖
+
+### `npm start`
+
+启动项目（http://localhost:3000） .<br>
 
-### `npm run eject`
 
-把webpack的配置文件给暴露出来

README.md

@@ -132,5 +132,8 @@
     "presets": [
       "react-app"
     ]
+  },
+  "devDependencies": {
+    "react-router-dom": "^5.0.1"
   }
 }