'add:babel-polyfill'

package.json

@@ -22,6 +22,7 @@
     "babel-plugin-dva-hmr": "^0.1.0",
     "babel-plugin-import": "^1.0.1",
     "babel-plugin-transform-runtime": "^6.9.0",
+    "babel-polyfill": "^6.23.0",
     "babel-runtime": "^6.9.2",
     "dora": "^0.4.3",
     "dora-plugin-browser-history": "^0.2.0",

src/_index.js

@@ -1,4 +1,5 @@
 import './index.html'
+import 'babel-polyfill'
 import dva from 'dva'
 
 // 1. Initialize

src/index.js

@@ -1,4 +1,5 @@
 import './index.html'
+import 'babel-polyfill'
 import dva from 'dva'
 import { browserHistory } from 'dva/router'