fix: correct typos in build config and demo

.umirc.js

@@ -90,7 +90,7 @@ export default {
             react: {
               name: 'react',
               priority: 20,
-              test: /[\\/]node_modules[\\/](react|react-dom|react-dom-router)[\\/]/,
+              test: /[\\/]node_modules[\\/](react|react-dom|react-router-dom)[\\/]/,
             },
             antd: {
               name: 'antd',

src/pages/chart/ECharts/index.js

@@ -101,7 +101,7 @@ class Chart extends React.Component {
         <div className={styles.chart}>
           <EchartsComponent type={this.state.type} />
         </div>
-        <div style={{ pading: 24, marginTop: 24 }}>
+        <div style={{ padding: 24, marginTop: 24 }}>
           All demos from{' '}
           <a href="https://github.com/hustcc/echarts-for-react">
             https://github.com/hustcc/echarts-for-react