diff --git a/components/util/isCssAnimationSupported.js b/components/_util/isCssAnimationSupported.js
similarity index 100%
rename from components/util/isCssAnimationSupported.js
rename to components/_util/isCssAnimationSupported.js
diff --git a/components/util/openAnimation.js b/components/_util/openAnimation.js
similarity index 100%
rename from components/util/openAnimation.js
rename to components/_util/openAnimation.js
diff --git a/components/badge/ScrollNumber.jsx b/components/badge/ScrollNumber.jsx
index 59034fcbba..0b4d2ea29f 100644
--- a/components/badge/ScrollNumber.jsx
+++ b/components/badge/ScrollNumber.jsx
@@ -1,6 +1,6 @@
 import React, { createElement } from 'react';
 import { findDOMNode } from 'react-dom';
-import isCssAnimationSupported from '../util/isCssAnimationSupported';
+import isCssAnimationSupported from '../_util/isCssAnimationSupported';
 
 function getNumberArray(num) {
   return num ?
diff --git a/components/menu/index.jsx b/components/menu/index.jsx
index 74c2b6d0a6..b4c7c65bd1 100644
--- a/components/menu/index.jsx
+++ b/components/menu/index.jsx
@@ -1,6 +1,6 @@
 import React from 'react';
 import RcMenu, { Item, Divider, SubMenu, ItemGroup } from 'rc-menu';
-import animation from '../util/openAnimation';
+import animation from '../_util/openAnimation';
 
 function noop() {
 }
diff --git a/components/spin/index.jsx b/components/spin/index.jsx
index e1148da259..e41bb76611 100644
--- a/components/spin/index.jsx
+++ b/components/spin/index.jsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import { findDOMNode } from 'react-dom';
 import classNames from 'classnames';
-import isCssAnimationSupported from '../util/isCssAnimationSupported';
+import isCssAnimationSupported from '../_util/isCssAnimationSupported';
 import warning from 'warning';
 
 export default class Spin extends React.Component {
diff --git a/components/tree/index.jsx b/components/tree/index.jsx
index ad4b69674f..b0dddf49fb 100644
--- a/components/tree/index.jsx
+++ b/components/tree/index.jsx
@@ -1,6 +1,6 @@
 import React from 'react';
 import RcTree from 'rc-tree';
-import animation from '../util/openAnimation';
+import animation from '../_util/openAnimation';
 
 export default class Tree extends React.Component {
   static TreeNode = RcTree.TreeNode;
diff --git a/index.js b/index.js
index 2aff55a107..771609e87f 100644
--- a/index.js
+++ b/index.js
@@ -1,22 +1,22 @@
 /* eslint no-console:0 */
 // this file is not used if use https://github.com/ant-design/babel-plugin-antd
 
-import {
-  Rate, Affix, DatePicker, Tooltip, Tag, Carousel, Tabs, Modal, Dropdown, Progress, Popover, Select,
-  Breadcrumb, Popconfirm, Pagination, Steps, InputNumber, Switch, Checkbox, Table, Collapse, message,
-  Slider, QueueAnim, Radio, notification, Alert, Validation, Tree, TreeSelect, Upload,
-  Badge, Menu, Timeline, Button, Icon, Row, Col, Spin, Form, Input, Calendar, TimePicker,
-  Card, LocaleProvider, Transfer, Cascader,
-} from 'antd';
+function camelCase(name) {
+  return name.charAt(0).toUpperCase() +
+    name.slice(1).replace(/-(\w)/g, (m, n) => {
+      return n.toUpperCase();
+    });
+}
 
-// copy from above
-export {
-  Rate, Affix, DatePicker, Tooltip, Tag, Carousel, Tabs, Modal, Dropdown, Progress, Popover, Select,
-  Breadcrumb, Popconfirm, Pagination, Steps, InputNumber, Switch, Checkbox, Table, Collapse, message,
-  Slider, QueueAnim, Radio, notification, Alert, Validation, Tree, TreeSelect, Upload,
-  Badge, Menu, Timeline, Button, Icon, Row, Col, Spin, Form, Input, Calendar, TimePicker,
-  Card, LocaleProvider, Transfer, Cascader,
-};
+const req = require.context('./components', true, /^\.\/[^_][\w-]+\/(style\/)?index\.jsx?$/);
+
+req.keys().forEach((mod) => {
+  const v = req(mod);
+  const match = mod.match(/^\.\/([^_][\w-]+)\/index\.jsx?$/);
+  if (match && match[1]) {
+    exports[camelCase(match[1])] = v;
+  }
+});
 
 if (process.env.NODE_ENV !== 'production') {
   if (typeof console !== 'undefined' && console.warn) {
diff --git a/site/theme/template/Layout/index.jsx b/site/theme/template/Layout/index.jsx
index 57facb48bb..ee29d6b8b7 100644
--- a/site/theme/template/Layout/index.jsx
+++ b/site/theme/template/Layout/index.jsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
+import * as antd from '../../../../index';
 import { addLocaleData, IntlProvider } from 'react-intl';
 import Header from './Header';
 import Footer from './Footer';
@@ -10,7 +11,7 @@ import '../../static/style';
 // Expose to iframe
 window.react = React;
 window['react-dom'] = ReactDOM;
-window.antd = require('antd');
+window.antd = antd;
 
 // Enable Google Analytics
 if (!location.port) {