diff --git a/.eslintignore b/.eslintignore
index 892603d56..f3b51f5c5 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,6 +1,6 @@
-popper.js
-fecha.js
-release.sh
+src/utils/popper.js
+src/utils/date.js
+*.sh
 node_modules
 lib
 coverage
diff --git a/build/bin/new.js b/build/bin/new.js
index a26851195..ddf56f008 100644
--- a/build/bin/new.js
+++ b/build/bin/new.js
@@ -23,6 +23,7 @@ const Files = [
     content: `const ${ComponentName} = require('./src/main');
 
 ${ComponentName}.install = function(Vue) {
+  /* istanbul ignore next */
   Vue.component(${ComponentName}.name, ${ComponentName});
 };
 
@@ -41,21 +42,9 @@ cooking.set({
   template: false,
   format: 'umd',
   moduleName: 'El${ComponentName}',
-  extends: ['vue2']
-});
-
-cooking.add('resolve.alias', {
-  'main': path.join(__dirname, '../../src'),
-  'packages': path.join(__dirname, '../../packages')
-});
-
-cooking.add('externals', {
-  vue: {
-    root: 'Vue',
-    commonjs: 'vue',
-    commonjs2: 'vue',
-    amd: 'vue'
-  }
+  extends: ['vue2'],
+  alias: config.alias,
+  externals: { vue: config.vue }
 });
 
 module.exports = cooking.resolve();`
diff --git a/packages/alert/index.js b/packages/alert/index.js
index 0242beae3..5785e7862 100644
--- a/packages/alert/index.js
+++ b/packages/alert/index.js
@@ -1,5 +1,6 @@
 const Alert = require('./src/main');
 
+/* istanbul ignore next */
 Alert.install = function(Vue) {
   Vue.component(Alert.name, Alert);
 };
diff --git a/packages/autocomplete/index.js b/packages/autocomplete/index.js
index 1f923d5da..324a5b79e 100644
--- a/packages/autocomplete/index.js
+++ b/packages/autocomplete/index.js
@@ -1,5 +1,6 @@
 const ElAutocomplete = require('./src/autocomplete');
 
+/* istanbul ignore next */
 ElAutocomplete.install = function(Vue) {
   Vue.component(ElAutocomplete.name, ElAutocomplete);
 };
diff --git a/packages/badge/index.js b/packages/badge/index.js
index 114c31467..381d62a6f 100644
--- a/packages/badge/index.js
+++ b/packages/badge/index.js
@@ -1,5 +1,6 @@
 const Badge = require('./src/main');
 
+/* istanbul ignore next */
 Badge.install = function(Vue) {
   Vue.component(Badge.name, Badge);
 };
diff --git a/packages/breadcrumb-item/index.js b/packages/breadcrumb-item/index.js
index 17263c0c3..4698cdee7 100644
--- a/packages/breadcrumb-item/index.js
+++ b/packages/breadcrumb-item/index.js
@@ -1,5 +1,6 @@
 const ElBreadcrumbItem = require('../breadcrumb/src/breadcrumb-item');
 
+/* istanbul ignore next */
 ElBreadcrumbItem.install = function(Vue) {
   Vue.component(ElBreadcrumbItem.name, ElBreadcrumbItem);
 };
diff --git a/packages/breadcrumb/index.js b/packages/breadcrumb/index.js
index 18b86ab4a..f9d1ed4d1 100644
--- a/packages/breadcrumb/index.js
+++ b/packages/breadcrumb/index.js
@@ -1,5 +1,6 @@
 const ElBreadcrumb = require('./src/breadcrumb');
 
+/* istanbul ignore next */
 ElBreadcrumb.install = function(Vue) {
   Vue.component(ElBreadcrumb.name, ElBreadcrumb);
 };
diff --git a/packages/button-group/index.js b/packages/button-group/index.js
index 40a81a4fa..bbe8741b8 100644
--- a/packages/button-group/index.js
+++ b/packages/button-group/index.js
@@ -1,5 +1,6 @@
 const ElButtonGroup = require('../button/src/button-group');
 
+/* istanbul ignore next */
 ElButtonGroup.install = function(Vue) {
   Vue.component(ElButtonGroup.name, ElButtonGroup);
 };
diff --git a/packages/button/index.js b/packages/button/index.js
index d71e7b3d6..565eb9d4d 100644
--- a/packages/button/index.js
+++ b/packages/button/index.js
@@ -1,6 +1,7 @@
 const ElButton = require('./src/button');
 const ElButtonGroup = require('./src/button-group');
 
+/* istanbul ignore next */
 ElButton.install = function(Vue) {
   Vue.component(ElButton.name, ElButton);
   Vue.component(ElButtonGroup.name, ElButtonGroup);
diff --git a/packages/card/index.js b/packages/card/index.js
index b1e85bec3..dba937292 100644
--- a/packages/card/index.js
+++ b/packages/card/index.js
@@ -1,5 +1,6 @@
 const Card = require('./src/main');
 
+/* istanbul ignore next */
 Card.install = function(Vue) {
   Vue.component(Card.name, Card);
 };
diff --git a/packages/checkbox-group/index.js b/packages/checkbox-group/index.js
index 85c120a81..3a5c12203 100644
--- a/packages/checkbox-group/index.js
+++ b/packages/checkbox-group/index.js
@@ -1,5 +1,6 @@
 const ElCheckboxGroup = require('../checkbox/src/checkbox-group.vue');
 
+/* istanbul ignore next */
 ElCheckboxGroup.install = function(Vue) {
   Vue.component(ElCheckboxGroup.name, ElCheckboxGroup);
 };
diff --git a/packages/checkbox/_index.js b/packages/checkbox/_index.js
index 610bab8ef..b472a412c 100644
--- a/packages/checkbox/_index.js
+++ b/packages/checkbox/_index.js
@@ -1,6 +1,7 @@
 const ElCheckbox = require('./src/checkbox');
 const ElCheckboxGroup = require('./src/checkbox-group.vue');
 
+/* istanbul ignore next */
 module.exports = function install(Vue) {
   Vue.component(ElCheckboxGroup.name, ElCheckboxGroup);
   Vue.component(ElCheckbox.name, ElCheckbox);
diff --git a/packages/checkbox/index.js b/packages/checkbox/index.js
index 6cecf5549..63367878d 100644
--- a/packages/checkbox/index.js
+++ b/packages/checkbox/index.js
@@ -1,5 +1,6 @@
 const ElCheckbox = require('./src/checkbox');
 
+/* istanbul ignore next */
 ElCheckbox.install = function(Vue) {
   Vue.component(ElCheckbox.name, ElCheckbox);
 };
diff --git a/packages/col/index.js b/packages/col/index.js
index ee09e61ad..8c1d323a7 100644
--- a/packages/col/index.js
+++ b/packages/col/index.js
@@ -1,7 +1,8 @@
 const ElCol = require('./src/col');
 
+/* istanbul ignore next */
 ElCol.install = function(Vue) {
-  Vue.component('el-col', ElCol);
+  Vue.component(ElCol.name, ElCol);
 };
 
 module.exports = ElCol;
diff --git a/packages/date-picker/_index.js b/packages/date-picker/_index.js
index 77c7e9b80..5ace8811f 100644
--- a/packages/date-picker/_index.js
+++ b/packages/date-picker/_index.js
@@ -2,6 +2,7 @@ import DatePicker from './src/picker/date-picker';
 import TimePicker from './src/picker/time-picker';
 import TimeSelect from './src/picker/time-select';
 
+/* istanbul ignore next */
 module.exports = function install(Vue) {
   Vue.component(DatePicker.name, DatePicker);
   Vue.component(TimePicker.name, TimePicker);
diff --git a/packages/date-picker/index.js b/packages/date-picker/index.js
index f8fbb16e6..83d126258 100644
--- a/packages/date-picker/index.js
+++ b/packages/date-picker/index.js
@@ -1,2 +1,8 @@
-import Picker from './src/picker/date-picker';
-module.exports = Picker;
+import DatePicker from './src/picker/date-picker';
+
+/* istanbul ignore next */
+module.exports = function install(Vue) {
+  Vue.component(DatePicker.name, DatePicker);
+};
+
+module.exports = DatePicker;
diff --git a/packages/dialog/index.js b/packages/dialog/index.js
index cfb83b3dc..cdf4529a0 100644
--- a/packages/dialog/index.js
+++ b/packages/dialog/index.js
@@ -1,5 +1,6 @@
 const ElDialog = require('./src/component');
 
+/* istanbul ignore next */
 ElDialog.install = function(Vue) {
   Vue.component(ElDialog.name, ElDialog);
 };
diff --git a/packages/dropdown-item/index.js b/packages/dropdown-item/index.js
index 4a6dfc24a..6104ca063 100644
--- a/packages/dropdown-item/index.js
+++ b/packages/dropdown-item/index.js
@@ -1,5 +1,6 @@
 const ElDropdownItem = require('../dropdown/src/dropdown-item');
 
+/* istanbul ignore next */
 ElDropdownItem.install = function(Vue) {
   Vue.component(ElDropdownItem.name, ElDropdownItem);
 };
diff --git a/packages/dropdown-menu/index.js b/packages/dropdown-menu/index.js
index 72ff1af84..78d3ba4a8 100644
--- a/packages/dropdown-menu/index.js
+++ b/packages/dropdown-menu/index.js
@@ -1,5 +1,6 @@
 const ElDropdownMenu = require('../dropdown/src/dropdown-menu');
 
+/* istanbul ignore next */
 ElDropdownMenu.install = function(Vue) {
   Vue.component(ElDropdownMenu.name, ElDropdownMenu);
 };
diff --git a/packages/dropdown/index.js b/packages/dropdown/index.js
index 1e760ce91..4e447f827 100644
--- a/packages/dropdown/index.js
+++ b/packages/dropdown/index.js
@@ -1,5 +1,6 @@
 const ElDropdown = require('./src/dropdown');
 
+/* istanbul ignore next */
 ElDropdown.install = function(Vue) {
   Vue.component(ElDropdown.name, ElDropdown);
 };
diff --git a/packages/form-item/index.js b/packages/form-item/index.js
index 294bca194..86c901045 100644
--- a/packages/form-item/index.js
+++ b/packages/form-item/index.js
@@ -1,5 +1,6 @@
 const ElFormItem = require('../form/src/form-item');
 
+/* istanbul ignore next */
 ElFormItem.install = function(Vue) {
   Vue.component(ElFormItem.name, ElFormItem);
 };
diff --git a/packages/form/_index.js b/packages/form/_index.js
index ec6c927c9..43db3f6ca 100644
--- a/packages/form/_index.js
+++ b/packages/form/_index.js
@@ -1,6 +1,7 @@
 const ElFormItem = require('./src/form-item');
 const ElForm = require('./src/form');
 
+/* istanbul ignore next */
 module.exports = function(Vue) {
   Vue.component(ElForm.name, ElForm);
   Vue.component(ElFormItem.name, ElFormItem);
diff --git a/packages/form/index.js b/packages/form/index.js
index bccc57732..c1f99de98 100644
--- a/packages/form/index.js
+++ b/packages/form/index.js
@@ -1,5 +1,6 @@
 const ElForm = require('./src/form');
 
+/* istanbul ignore next */
 ElForm.install = function(Vue) {
   Vue.component(ElForm.name, ElForm);
 };
diff --git a/packages/group/index.js b/packages/group/index.js
deleted file mode 100644
index 979f21c67..000000000
--- a/packages/group/index.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require('./src/group.vue');
diff --git a/packages/group/src/group.vue b/packages/group/src/group.vue
deleted file mode 100644
index 25fa1e17c..000000000
--- a/packages/group/src/group.vue
+++ /dev/null
@@ -1,26 +0,0 @@
-<script>
-  /**
-   * group
-   * @module components/basic/group
-   * @desc 显示分组的布局样式
-   * @param {string} [title] - 显示标题
-   */
-  export default {
-    name: 'el-group',
-
-    props: {
-      title: String
-    }
-  };
-</script>
-
-<template>
-  <div class="element-group">
-    <label
-      class="element-group__label"
-      v-text="title"></label>
-    <div class="element-group__option">
-      <slot></slot>
-    </div>
-  </div>
-</template>
diff --git a/packages/icon/index.js b/packages/icon/index.js
index 2b43b70df..e94dcc114 100644
--- a/packages/icon/index.js
+++ b/packages/icon/index.js
@@ -1 +1,8 @@
-module.exports = require('./src/icon.vue');
+const ElIcon = require('./src/icon.vue');
+
+/* istanbul ignore next */
+ElIcon.install = function(Vue) {
+  Vue.component(ElIcon.name, ElIcon);
+};
+
+module.exports = ElIcon;
diff --git a/packages/input-number/index.js b/packages/input-number/index.js
index cded5e786..a159a154f 100644
--- a/packages/input-number/index.js
+++ b/packages/input-number/index.js
@@ -1,5 +1,6 @@
 const ElInputNumber = require('./src/input-number');
 
+/* istanbul ignore next */
 ElInputNumber.install = function(Vue) {
   Vue.component(ElInputNumber.name, ElInputNumber);
 };
diff --git a/packages/input/index.js b/packages/input/index.js
index d57c96661..2e24b75f2 100644
--- a/packages/input/index.js
+++ b/packages/input/index.js
@@ -1,5 +1,6 @@
 const ElInput = require('./src/input');
 
+/* istanbul ignore next */
 ElInput.install = function(Vue) {
   Vue.component(ElInput.name, ElInput);
 };
diff --git a/packages/loading/index.js b/packages/loading/index.js
index 1ca14c6cc..7a049eebd 100644
--- a/packages/loading/index.js
+++ b/packages/loading/index.js
@@ -1,2 +1 @@
-import Loading from './src/directive';
-module.exports = Loading;
+module.exports = require('./src/directive');
diff --git a/packages/menu-item-group/index.js b/packages/menu-item-group/index.js
index d883cdef9..c538f3c8c 100644
--- a/packages/menu-item-group/index.js
+++ b/packages/menu-item-group/index.js
@@ -1,5 +1,6 @@
 const ElMenuItemGroup = require('../menu/src/menu-item-group');
 
+/* istanbul ignore next */
 ElMenuItemGroup.install = function(Vue) {
   Vue.component(ElMenuItemGroup.name, ElMenuItemGroup);
 };
diff --git a/packages/menu-item/index.js b/packages/menu-item/index.js
index 6bf758618..77fb13ac5 100644
--- a/packages/menu-item/index.js
+++ b/packages/menu-item/index.js
@@ -1,5 +1,6 @@
 const ElMenuItem = require('../menu/src/menu-item');
 
+/* istanbul ignore next */
 ElMenuItem.install = function(Vue) {
   Vue.component(ElMenuItem.name, ElMenuItem);
 };
diff --git a/packages/menu/_index.js b/packages/menu/_index.js
index c726a6c55..1978d01e1 100644
--- a/packages/menu/_index.js
+++ b/packages/menu/_index.js
@@ -3,6 +3,7 @@ const ElMenuItem = require('./src/menu-item');
 const ElMenuItemGroup = require('./src/menu-item-group');
 const ElSubmenu = require('./src/submenu');
 
+/* istanbul ignore next */
 module.exports = function(Vue) {
   Vue.component(ElMenuItem.name, ElMenuItem);
   Vue.component(ElMenuItemGroup.name, ElMenuItemGroup);
diff --git a/packages/menu/index.js b/packages/menu/index.js
index 06fb8b6d6..bd85c2b23 100644
--- a/packages/menu/index.js
+++ b/packages/menu/index.js
@@ -1,5 +1,6 @@
 const ElMenu = require('./src/menu');
 
+/* istanbul ignore next */
 ElMenu.install = function(Vue) {
   Vue.component(ElMenu.name, ElMenu);
 };
diff --git a/packages/message-box/index.js b/packages/message-box/index.js
index 02d321500..b13851833 100644
--- a/packages/message-box/index.js
+++ b/packages/message-box/index.js
@@ -1,2 +1 @@
-import MessageBox from './src/main.js';
-module.exports = MessageBox;
+module.exports = require('./src/main.js');
diff --git a/packages/message/index.js b/packages/message/index.js
index e452ee669..b13851833 100644
--- a/packages/message/index.js
+++ b/packages/message/index.js
@@ -1,2 +1 @@
-import Message from './src/main.js';
-module.exports = Message;
+module.exports = require('./src/main.js');
diff --git a/packages/notification/index.js b/packages/notification/index.js
index dd9d333aa..b13851833 100644
--- a/packages/notification/index.js
+++ b/packages/notification/index.js
@@ -1,2 +1 @@
-import Notification from './src/main.js';
-module.exports = Notification;
+module.exports = require('./src/main.js');
diff --git a/packages/option-group/index.js b/packages/option-group/index.js
index 7d6f845e4..4524de2d3 100644
--- a/packages/option-group/index.js
+++ b/packages/option-group/index.js
@@ -1,5 +1,6 @@
 const ElOptionGroup = require('../select/src/option-group');
 
+/* istanbul ignore next */
 ElOptionGroup.install = function(Vue) {
   Vue.component(ElOptionGroup.name, ElOptionGroup);
 };
diff --git a/packages/option/index.js b/packages/option/index.js
index 05970c6aa..0302a8013 100644
--- a/packages/option/index.js
+++ b/packages/option/index.js
@@ -1,5 +1,6 @@
 const ElOption = require('../select/src/option');
 
+/* istanbul ignore next */
 ElOption.install = function(Vue) {
   Vue.component(ElOption.name, ElOption);
 };
diff --git a/packages/pagination/index.js b/packages/pagination/index.js
index 1085962d3..b09c15732 100644
--- a/packages/pagination/index.js
+++ b/packages/pagination/index.js
@@ -1,5 +1,6 @@
 const Pagination = require('./src/pagination');
 
+/* istanbul ignore next */
 Pagination.install = function(Vue) {
   Vue.component(Pagination.name, Pagination);
 };
diff --git a/packages/popover/index.js b/packages/popover/index.js
index c09e2e33f..b1cf846e2 100644
--- a/packages/popover/index.js
+++ b/packages/popover/index.js
@@ -1,5 +1,6 @@
 const Popover = require('./src/main');
 
+/* istanbul ignore next */
 Popover.install = function(Vue) {
   Vue.component(Popover.name, Popover);
 };
diff --git a/packages/progress/index.js b/packages/progress/index.js
index ae7767fc8..e96c49578 100644
--- a/packages/progress/index.js
+++ b/packages/progress/index.js
@@ -1,5 +1,6 @@
 const ElProgress = require('./src/progress');
 
+/* istanbul ignore next */
 ElProgress.install = function(Vue) {
   Vue.component(ElProgress.name, ElProgress);
 };
diff --git a/packages/radio-button/index.js b/packages/radio-button/index.js
index 828a1a18a..ec6048dbe 100644
--- a/packages/radio-button/index.js
+++ b/packages/radio-button/index.js
@@ -1,5 +1,6 @@
 const RadioButton = require('../radio/src/radio-button.vue');
 
+/* istanbul ignore next */
 RadioButton.install = function(Vue) {
   Vue.component(RadioButton.name, RadioButton);
 };
diff --git a/packages/radio-group/index.js b/packages/radio-group/index.js
index 917f236bd..de7419d45 100644
--- a/packages/radio-group/index.js
+++ b/packages/radio-group/index.js
@@ -1,5 +1,6 @@
 const RadioGroup = require('../radio/src/radio-group.vue');
 
+/* istanbul ignore next */
 RadioGroup.install = function(Vue) {
   Vue.component(RadioGroup.name, RadioGroup);
 };
diff --git a/packages/radio/_index.js b/packages/radio/_index.js
index e2d954b50..d1355e70f 100644
--- a/packages/radio/_index.js
+++ b/packages/radio/_index.js
@@ -2,6 +2,7 @@ const ElRadio = require('./src/radio');
 const RadioButton = require('./src/radio-button.vue');
 const RadioGroup = require('./src/radio-group.vue');
 
+/* istanbul ignore next */
 module.exports = function(Vue) {
   Vue.component(ElRadio.name, ElRadio);
   Vue.component(RadioButton.name, RadioButton);
diff --git a/packages/radio/index.js b/packages/radio/index.js
index 38273264a..edbb513d8 100644
--- a/packages/radio/index.js
+++ b/packages/radio/index.js
@@ -1,5 +1,6 @@
 const ElRadio = require('./src/radio');
 
+/* istanbul ignore next */
 ElRadio.install = function(Vue) {
   Vue.component('el-radio', ElRadio);
 };
diff --git a/packages/rate/index.js b/packages/rate/index.js
index ca7d3d916..c49b715d2 100644
--- a/packages/rate/index.js
+++ b/packages/rate/index.js
@@ -1,5 +1,6 @@
 const Rate = require('./src/main');
 
+/* istanbul ignore next */
 Rate.install = function(Vue) {
   Vue.component(Rate.name, Rate);
 };
diff --git a/packages/row/index.js b/packages/row/index.js
index 33da006ed..5198e2dd1 100644
--- a/packages/row/index.js
+++ b/packages/row/index.js
@@ -1,5 +1,6 @@
 const ElRow = require('./src/row');
 
+/* istanbul ignore next */
 ElRow.install = function(Vue) {
   Vue.component(ElRow.name, ElRow);
 };
diff --git a/packages/select/_index.js b/packages/select/_index.js
index c371d2ebe..e7d355e88 100644
--- a/packages/select/_index.js
+++ b/packages/select/_index.js
@@ -2,6 +2,7 @@ const ElSelect = require('./src/select');
 const ElOption = require('./src/option');
 const ElOptionGroup = require('./src/option-group');
 
+/* istanbul ignore next */
 module.exports = function(Vue) {
   Vue.component(ElSelect.name, ElSelect);
   Vue.component(ElOption.name, ElOption);
diff --git a/packages/select/index.js b/packages/select/index.js
index 6c130d151..c1fc8e265 100644
--- a/packages/select/index.js
+++ b/packages/select/index.js
@@ -1,5 +1,6 @@
 var ElSelect = require('./src/select');
 
+/* istanbul ignore next */
 ElSelect.install = function(Vue) {
   Vue.component(ElSelect.name, ElSelect);
 };
diff --git a/packages/slider/index.js b/packages/slider/index.js
index f39136b4e..7fffc0a2f 100644
--- a/packages/slider/index.js
+++ b/packages/slider/index.js
@@ -1,5 +1,6 @@
 const Slider = require('./src/main');
 
+/* istanbul ignore next */
 Slider.install = function(Vue) {
   Vue.component(Slider.name, Slider);
 };
diff --git a/packages/spinner/index.js b/packages/spinner/index.js
index de2419e39..d3a0aae85 100644
--- a/packages/spinner/index.js
+++ b/packages/spinner/index.js
@@ -1,5 +1,6 @@
 const ElSpinner = require('./src/spinner');
 
+/* istanbul ignore next */
 ElSpinner.install = function(Vue) {
   Vue.component(ElSpinner.name, ElSpinner);
 };
diff --git a/packages/step/index.js b/packages/step/index.js
index 99a8499ca..93682456f 100644
--- a/packages/step/index.js
+++ b/packages/step/index.js
@@ -1,5 +1,6 @@
 const Step = require('../steps/src/step');
 
+/* istanbul ignore next */
 Step.install = function(Vue) {
   Vue.component(Step.name, Step);
 };
diff --git a/packages/steps/_index.js b/packages/steps/_index.js
index e4dc6ab8c..3dc8b33c2 100644
--- a/packages/steps/_index.js
+++ b/packages/steps/_index.js
@@ -1,6 +1,7 @@
 const Steps = require('./src/steps');
 const Step = require('./src/step');
 
+/* istanbul ignore next */
 module.exports = function(Vue) {
   Vue.component(Steps.name, Steps);
   Vue.component(Step.name, Step);
diff --git a/packages/steps/index.js b/packages/steps/index.js
index 1e2bf55fe..de64528e9 100644
--- a/packages/steps/index.js
+++ b/packages/steps/index.js
@@ -1,5 +1,6 @@
 const Steps = require('./src/steps');
 
+/* istanbul ignore next */
 Steps.install = function(Vue) {
   Vue.component(Steps.name, Steps);
 };
diff --git a/packages/submenu/index.js b/packages/submenu/index.js
index 486650ea0..79cbfbcff 100644
--- a/packages/submenu/index.js
+++ b/packages/submenu/index.js
@@ -1,5 +1,6 @@
 const ElSubmenu = require('../menu/src/submenu');
 
+/* istanbul ignore next */
 ElSubmenu.install = function(Vue) {
   Vue.component(ElSubmenu.name, ElSubmenu);
 };
diff --git a/packages/switch/index.js b/packages/switch/index.js
index 808cfd436..9cf89d796 100644
--- a/packages/switch/index.js
+++ b/packages/switch/index.js
@@ -1,5 +1,6 @@
 const ElSwitch = require('./src/component');
 
+/* istanbul ignore next */
 ElSwitch.install = function(Vue) {
   Vue.component(ElSwitch.name, ElSwitch);
 };
diff --git a/packages/tab-pane/index.js b/packages/tab-pane/index.js
index 3ddfa853a..a7897a5d3 100644
--- a/packages/tab-pane/index.js
+++ b/packages/tab-pane/index.js
@@ -1,5 +1,6 @@
 const TabPane = require('../tabs/src/tab-pane.vue');
 
+/* istanbul ignore next */
 TabPane.install = function(Vue) {
   Vue.component(TabPane.name, TabPane);
 };
diff --git a/packages/table-column/index.js b/packages/table-column/index.js
index 0f0651b3f..673c45393 100644
--- a/packages/table-column/index.js
+++ b/packages/table-column/index.js
@@ -1,5 +1,6 @@
 const ElTableColumn = require('../table/src/table-column');
 
+/* istanbul ignore next */
 ElTableColumn.install = function(Vue) {
   Vue.component(ElTableColumn.name, ElTableColumn);
 };
diff --git a/packages/table/_index.js b/packages/table/_index.js
index 360c07979..a0a0cbe59 100644
--- a/packages/table/_index.js
+++ b/packages/table/_index.js
@@ -1,6 +1,7 @@
 const ElTableColumn = require('./src/table-column');
 const ElTable = require('./src/table');
 
+/* istanbul ignore next */
 module.exports = function(Vue) {
   Vue.component(ElTable.name, ElTable);
   Vue.component(ElTableColumn.name, ElTableColumn);
diff --git a/packages/table/index.js b/packages/table/index.js
index c43d8ff10..c06416554 100644
--- a/packages/table/index.js
+++ b/packages/table/index.js
@@ -1,5 +1,6 @@
 const ElTable = require('./src/table');
 
+/* istanbul ignore next */
 ElTable.install = function(Vue) {
   Vue.component(ElTable.name, ElTable);
 };
diff --git a/packages/tabs/_index.js b/packages/tabs/_index.js
index 11a5a1569..9b71d722a 100644
--- a/packages/tabs/_index.js
+++ b/packages/tabs/_index.js
@@ -1,6 +1,7 @@
 const ElTabs = require('./src/tabs');
 const ElTabPane = require('./src/tab-pane');
 
+/* istanbul ignore next */
 module.exports = function(Vue) {
   Vue.component(ElTabs.name, ElTabs);
   Vue.component(ElTabPane.name, ElTabPane);
diff --git a/packages/tabs/index.js b/packages/tabs/index.js
index bb1614f66..d30b8ccbc 100644
--- a/packages/tabs/index.js
+++ b/packages/tabs/index.js
@@ -1,5 +1,6 @@
 const ElTabs = require('./src/tabs');
 
+/* istanbul ignore next */
 ElTabs.install = function(Vue) {
   Vue.component(ElTabs.name, ElTabs);
 };
diff --git a/packages/tag/index.js b/packages/tag/index.js
index 029de5b9a..8ef89145a 100644
--- a/packages/tag/index.js
+++ b/packages/tag/index.js
@@ -1,5 +1,6 @@
 const ElTag = require('./src/tag');
 
+/* istanbul ignore next */
 ElTag.install = function(Vue) {
   Vue.component(ElTag.name, ElTag);
 };
diff --git a/packages/time-picker/index.js b/packages/time-picker/index.js
index 60af80fb7..bf9d8cfef 100644
--- a/packages/time-picker/index.js
+++ b/packages/time-picker/index.js
@@ -1,2 +1,8 @@
-import Picker from '../date-picker/src/picker/time-picker';
-module.exports = Picker;
+const TimePicker = require('../date-picker/src/picker/time-picker');
+
+/* istanbul ignore next */
+TimePicker.install = function(Vue) {
+  Vue.component(TimePicker.name, TimePicker);
+};
+
+module.exports = TimePicker;
diff --git a/packages/time-select/index.js b/packages/time-select/index.js
index 6363ddc4c..0744d19a2 100644
--- a/packages/time-select/index.js
+++ b/packages/time-select/index.js
@@ -1,2 +1,8 @@
-import Picker from '../date-picker/src/picker/time-select';
-module.exports = Picker;
+const TimeSelect = require('../date-picker/src/picker/time-select');
+
+/* istanbul ignore next */
+TimeSelect.install = function(Vue) {
+  Vue.component(TimeSelect.name, TimeSelect);
+};
+
+module.exports = TimeSelect;
diff --git a/packages/tooltip/index.js b/packages/tooltip/index.js
index 2ee1ba5a0..7f991642b 100644
--- a/packages/tooltip/index.js
+++ b/packages/tooltip/index.js
@@ -1,5 +1,6 @@
 const Tooltip = require('./src/main');
 
+/* istanbul ignore next */
 Tooltip.install = function(Vue) {
   Vue.component(Tooltip.name, Tooltip);
 };
diff --git a/packages/tree/index.js b/packages/tree/index.js
index 1f6ebac9b..e65b4a0d7 100644
--- a/packages/tree/index.js
+++ b/packages/tree/index.js
@@ -1,5 +1,6 @@
 const Tree = require('./src/tree.vue');
 
+/* istanbul ignore next */
 Tree.install = function(Vue) {
   Vue.component(Tree.name, Tree);
 };
diff --git a/packages/upload/index.js b/packages/upload/index.js
index 479df11f1..2b723041b 100644
--- a/packages/upload/index.js
+++ b/packages/upload/index.js
@@ -1,5 +1,6 @@
-const Upload = require('./src/index');
+const Upload = require('./src');
 
+/* istanbul ignore next */
 Upload.install = function(Vue) {
   Vue.component(Upload.name, Upload);
 };