diff --git a/components/calendar/index.tsx b/components/calendar/index.tsx
index abe5250c0cce..2a7b5897d179 100644
--- a/components/calendar/index.tsx
+++ b/components/calendar/index.tsx
@@ -6,8 +6,7 @@ import LocaleReceiver from '../locale-provider/LocaleReceiver';
 import { PREFIX_CLS } from './Constants';
 import Header from './Header';
 import callMoment from '../_util/callMoment';
-
-declare const require: Function;
+import enUS from './locale/en_US';
 
 export { HeaderProps } from './Header';
 
@@ -122,11 +121,6 @@ export default class Calendar extends React.Component<CalendarProps, CalendarSta
     );
   }
 
-  getDefaultLocale() {
-    const locale = require('./locale/en_US');
-    return locale.default || locale;
-  }
-
   setValue = (value: moment.Moment, way: 'select' | 'changePanel') => {
     if (!('value' in this.props)) {
       this.setState({ value });
@@ -215,7 +209,7 @@ export default class Calendar extends React.Component<CalendarProps, CalendarSta
     return (
       <LocaleReceiver
         componentName="Calendar"
-        defaultLocale={this.getDefaultLocale}
+        defaultLocale={enUS}
       >
         {this.renderCalendar}
       </LocaleReceiver>
diff --git a/components/date-picker/__tests__/MonthPicker.test.js b/components/date-picker/__tests__/MonthPicker.test.js
index 7742291bbb5d..51d11d762000 100644
--- a/components/date-picker/__tests__/MonthPicker.test.js
+++ b/components/date-picker/__tests__/MonthPicker.test.js
@@ -1,6 +1,8 @@
-import { MonthPicker } from '..';
+import DatePicker from '..';
 import focusTest from '../../../tests/shared/focusTest';
 
+const { MonthPicker } = DatePicker;
+
 describe('MonthPicker', () => {
   focusTest(MonthPicker);
 });
diff --git a/components/date-picker/__tests__/RangePicker.test.js b/components/date-picker/__tests__/RangePicker.test.js
index cadbff34f081..5084ba96595d 100644
--- a/components/date-picker/__tests__/RangePicker.test.js
+++ b/components/date-picker/__tests__/RangePicker.test.js
@@ -1,9 +1,11 @@
 import React from 'react';
 import { mount, render } from 'enzyme';
 import moment from 'moment';
-import { RangePicker } from '../';
+import DatePicker from '../';
 import focusTest from '../../../tests/shared/focusTest';
 
+const { RangePicker } = DatePicker;
+
 describe('RangePicker', () => {
   focusTest(RangePicker);
 
diff --git a/components/date-picker/__tests__/WeekPicker.test.js b/components/date-picker/__tests__/WeekPicker.test.js
index 5ee40b37cba6..0cb0c3fc2384 100644
--- a/components/date-picker/__tests__/WeekPicker.test.js
+++ b/components/date-picker/__tests__/WeekPicker.test.js
@@ -1,6 +1,8 @@
-import { WeekPicker } from '..';
+import DatePicker from '..';
 import focusTest from '../../../tests/shared/focusTest';
 
+const { WeekPicker } = DatePicker;
+
 describe('WeekPicker', () => {
   focusTest(WeekPicker);
 });
diff --git a/components/date-picker/__tests__/other.test.js b/components/date-picker/__tests__/other.test.js
index 613da19082e0..5423ee1ce128 100644
--- a/components/date-picker/__tests__/other.test.js
+++ b/components/date-picker/__tests__/other.test.js
@@ -1,7 +1,9 @@
 import React from 'react';
 import { mount, render } from 'enzyme';
 import moment from 'moment';
-import { MonthPicker, WeekPicker } from '../';
+import DatePicker from '../';
+
+const { MonthPicker, WeekPicker } = DatePicker;
 
 describe('MonthPicker and WeekPicker', () => {
   it('render MonthPicker', () => {
diff --git a/components/date-picker/__tests__/showTime.test.js b/components/date-picker/__tests__/showTime.test.js
index 13d8e5e03ebd..f9d1b812d64d 100644
--- a/components/date-picker/__tests__/showTime.test.js
+++ b/components/date-picker/__tests__/showTime.test.js
@@ -1,6 +1,8 @@
 import React from 'react';
 import { mount } from 'enzyme';
-import DatePicker, { RangePicker } from '../';
+import DatePicker from '../';
+
+const { RangePicker } = DatePicker;
 
 describe('DatePicker with showTime', () => {
   it('should trigger onChange when select value', () => {
diff --git a/components/date-picker/wrapPicker.tsx b/components/date-picker/wrapPicker.tsx
index 47ef3cebd16b..ba531fdce8bb 100644
--- a/components/date-picker/wrapPicker.tsx
+++ b/components/date-picker/wrapPicker.tsx
@@ -3,8 +3,7 @@ import TimePickerPanel from 'rc-time-picker/lib/Panel';
 import classNames from 'classnames';
 import LocaleReceiver from '../locale-provider/LocaleReceiver';
 import { generateShowHourMinuteSecond } from '../time-picker';
-
-declare const require: Function;
+import enUS from './locale/en_US';
 
 function getColumns({ showHour, showMinute, showSecond, use12Hours }: any) {
   let column = 0;
@@ -81,10 +80,8 @@ export default function wrapPicker(Picker: React.ComponentClass<any>, defaultFor
     }
 
     getDefaultLocale = () => {
-      const locale = require('./locale/en_US');
-      const defaultlocale = (locale.default || locale);
       const result = {
-        ...defaultlocale,
+        ...enUS,
         ...this.props.locale,
       };
       result.lang = {
diff --git a/index-with-locales.js b/index-with-locales.js
index 3ea9a6905415..0a10493cf8bb 100644
--- a/index-with-locales.js
+++ b/index-with-locales.js
@@ -5,7 +5,7 @@ antd.locales = {};
 
 req.keys().forEach((mod) => {
   const match = mod.match(/\/([^/]+).tsx$/);
-  antd.locales[match[1]] = req(mod);
+  antd.locales[match[1]] = req(mod).default;
 });
 
 module.exports = antd;
diff --git a/package.json b/package.json
index 7db0b5214853..8777e92f02fe 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
     "@types/react": "^16.0.0",
     "@types/react-dom": "^16.0.0",
     "ansi-styles": "^3.2.0",
-    "antd-tools": "^4.0.6",
+    "antd-tools": "^5.0.0",
     "babel-cli": "^6.18.0",
     "babel-eslint": "^8.1.1",
     "babel-plugin-import": "^1.0.0",
diff --git a/site/bisheng.config.js b/site/bisheng.config.js
index caf9cdf5e513..a910d57489bf 100644
--- a/site/bisheng.config.js
+++ b/site/bisheng.config.js
@@ -8,7 +8,12 @@ const usePreact = process.env.REACT_ENV === 'preact';
 function alertBabelConfig(rules) {
   rules.forEach((rule) => {
     if (rule.loader && rule.loader === 'babel-loader') {
-      rule.options.plugins.push(replaceLib);
+      if (rule.options.plugins.indexOf(replaceLib) === -1) {
+        rule.options.plugins.push(replaceLib);
+      }
+      rule.options.plugins = rule.options.plugins.filter(plugin =>
+        !plugin.indexOf || plugin.indexOf('babel-plugin-add-module-exports') === -1
+      );
     } else if (rule.use) {
       alertBabelConfig(rule.use);
     }
diff --git a/tests/shared/demoTest.js b/tests/shared/demoTest.js
index bf16e5450cb9..4e4da1c1a5b5 100644
--- a/tests/shared/demoTest.js
+++ b/tests/shared/demoTest.js
@@ -12,7 +12,7 @@ export default function demoTest(component, options = {}) {
     }
     testMethod(`renders ${file} correctly`, () => {
       MockDate.set(new Date('2016-11-22').getTime() + (new Date().getTimezoneOffset() * 60 * 1000));
-      const demo = require(`../.${file}`); // eslint-disable-line global-require, import/no-dynamic-require
+      const demo = require(`../.${file}`).default; // eslint-disable-line global-require, import/no-dynamic-require
       const wrapper = render(demo);
       expect(wrapper).toMatchSnapshot();
       MockDate.reset();