添加基础样式，用rem

src/App.js

 import React from 'react';
 import { Provider } from 'react-redux';
+
+import './assets/css/basic.css'
+
 import store from './store/index';
 
 import Router from './Router';

src/assets/css/basic.css

+html,body {
+  width: 100%;
+  height: 100%;
+  overflow-x: hidden;
+}
+
+@media only screen and (max-width: 1080px), only screen and (max-device-width:1080px) {
+  html,body {
+    font-size:100px;
+  }
+}
\ No newline at end of file