diff --git a/packages/image/src/main.vue b/packages/image/src/main.vue
index 894a9873a..c6786b848 100644
--- a/packages/image/src/main.vue
+++ b/packages/image/src/main.vue
@@ -16,7 +16,7 @@
       :style="imageStyle"
       :class="{ 'el-image__inner--center': alignCenter, 'el-image__preview': preview }">
     <template v-if="preview">
-      <image-viewer :z-index="zIndex" :initial-index="initialIndex | imageIndex" v-if="showViewer" :on-close="closeViewer" :url-list="previewSrcList"/>
+      <image-viewer :z-index="zIndex" :initial-index="imageIndex" v-if="showViewer" :on-close="closeViewer" :url-list="previewSrcList"/>
     </template>
   </div>
 </template>
@@ -96,9 +96,15 @@
       },
       imageIndex() {
         let previewIndex = 0;
+        const initialIndex = this.initialIndex;
+        if (initialIndex >= 0) {
+          previewIndex = initialIndex;
+          return previewIndex;
+        }
         const srcIndex = this.previewSrcList.indexOf(this.src);
         if (srcIndex >= 0) {
           previewIndex = srcIndex;
+          return previewIndex;
         }
         return previewIndex;
       }
diff --git a/src/directives/repeat-click.js b/src/directives/repeat-click.js
index ae7ad9772..f80d4cb48 100644
--- a/src/directives/repeat-click.js
+++ b/src/directives/repeat-click.js
@@ -5,7 +5,7 @@ export default {
   bind(el, binding, vnode) {
     let interval = null;
     let startTime;
-    const maxIntervals = isMac() ? 100 : 300;
+    const maxIntervals = isMac() ? 100 : 200;
     const handler = () => vnode.context[binding.expression].apply();
     const clear = () => {
       if (Date.now() - startTime < maxIntervals) {
diff --git a/types/element-ui.d.ts b/types/element-ui.d.ts
index 1521ae69e..62c4f2ad4 100644
--- a/types/element-ui.d.ts
+++ b/types/element-ui.d.ts
@@ -1,352 +1,3 @@
-
-import Vue, { PluginObject } from 'vue'
-import { ElementUIComponent, ElementUIComponentSize, ElementUIHorizontalAlignment } from './component'
-
-import { ElAlert } from './alert'
-import { ElAside } from './aside'
-import { ElAutocomplete } from './autocomplete'
-import { ElBadge } from './badge'
-import { ElBreadcrumb } from './breadcrumb'
-import { ElBreadcrumbItem } from './breadcrumb-item'
-import { ElButton } from './button'
-import { ElButtonGroup } from './button-group'
-import { ElCard } from './card'
-import { ElCarousel } from './carousel'
-import { ElCarouselItem } from './carousel-item'
-import { ElCascader } from './cascader'
-import { ElCheckbox } from './checkbox'
-import { ElCheckboxButton } from './checkbox-button'
-import { ElCheckboxGroup } from './checkbox-group'
-import { ElCol } from './col'
-import { ElCollapse } from './collapse'
-import { ElCollapseItem } from './collapse-item'
-import { ElColorPicker } from './color-picker'
-import { ElContainer } from './container'
-import { ElDatePicker } from './date-picker'
-import { ElDialog } from './dialog'
-import { ElDropdown } from './dropdown'
-import { ElDropdownItem } from './dropdown-item'
-import { ElDropdownMenu } from './dropdown-menu'
-import { ElFooter } from './footer'
-import { ElForm } from './form'
-import { ElFormItem } from './form-item'
-import { ElHeader } from './header'
-import { ElInput } from './input'
-import { ElInputNumber } from './input-number'
-import { ElLoading } from './loading'
-import { ElMain } from './main'
-import { ElMenu } from './menu'
-import { ElMenuItem } from './menu-item'
-import { ElMenuItemGroup } from './menu-item-group'
-import { ElMessage } from './message'
-import { ElMessageBox } from './message-box'
-import { ElNotification } from './notification'
-import { ElOption } from './option'
-import { ElOptionGroup } from './option-group'
-import { ElPagination } from './pagination'
-import { ElPopover } from './popover'
-import { ElProgress } from './progress'
-import { ElRate } from './rate'
-import { ElRadio } from './radio'
-import { ElRadioButton } from './radio-button'
-import { ElRadioGroup } from './radio-group'
-import { ElRow } from './row'
-import { ElSelect } from './select'
-import { ElSlider } from './slider'
-import { ElStep } from './step'
-import { ElSteps } from './steps'
-import { ElSubmenu } from './submenu'
-import { ElSwitch } from './switch'
-import { ElTable } from './table'
-import { ElTableColumn } from './table-column'
-import { ElTag } from './tag'
-import { ElTabs } from './tabs'
-import { ElTabPane } from './tab-pane'
-import { ElTimeline } from './timeline'
-import { ElTimelineItem } from './timeline-item'
-import { ElTimePicker } from './time-picker'
-import { ElTimeSelect } from './time-select'
-import { ElTooltip } from './tooltip'
-import { ElTransfer } from './transfer'
-import { ElTree, TreeData } from './tree'
-import { ElUpload } from './upload'
-import { ElLink } from './link'
-import { ElDivider } from './divider'
-import { ElIcon } from './icon'
-import { ElCalendar } from './calendar'
-import { ElImage } from './image'
-import { ElBacktop } from './backtop'
-import { ElInfiniteScroll } from './infinite-scroll'
-import { ElPageHeader } from './page-header'
-import { ElAvatar } from './avatar'
-import { ElDrawer } from './drawer'
-
-import { ElStatistic } from './statistic'
-
-export interface InstallationOptions {
-  locale: any,
-  i18n: any,
-  size: string
-}
-
-/** The version of element-ui */
-export const version: string
-
-/**
- * Install all element-ui components into Vue.
- * Please do not invoke this method directly.
- * Call `Vue.use(ElementUI)` to install.
- */
-export function install (vue: typeof Vue, options: InstallationOptions): void
-
-/** ElementUI component common definition */
-export type Component = ElementUIComponent
-
-/** Component size definition for button, input, etc */
-export type ComponentSize = ElementUIComponentSize
-
-/** Horizontal alignment */
-export type HorizontalAlignment = ElementUIHorizontalAlignment
-
-/** Show animation while loading data */
-export const Loading: ElLoading
-
-/** Used to show feedback after an activity. The difference with Notification is that the latter is often used to show a system level passive notification. */
-export const Message: ElMessage
-
-/** A set of modal boxes simulating system message box, mainly for message prompt, success tips, error messages and query information */
-export const MessageBox: ElMessageBox
-
-/** Displays a global notification message at the upper right corner of the page */
-export const Notification: ElNotification
-
-// TS cannot merge imported class with namespace, so declare subclasses instead
-
-/** Alert Component */
-export class Alert extends ElAlert {}
-
-/** Aside Component */
-export class Aside extends ElAside {}
-
-/** Autocomplete Component */
-export class Autocomplete extends ElAutocomplete {}
-
-/** Bagde Component */
-export class Badge extends ElBadge {}
-
-/** Breadcrumb Component */
-export class Breadcrumb extends ElBreadcrumb {}
-
-/** Breadcrumb Item Component */
-export class BreadcrumbItem extends ElBreadcrumbItem {}
-
-/** Button Component */
-export class Button extends ElButton {}
-
-/** Button Group Component */
-export class ButtonGroup extends ElButtonGroup {}
-
-/** Card Component */
-export class Card extends ElCard {}
-
-/** Cascader Component */
-export class Cascader extends ElCascader {}
-
-/** Carousel Component */
-export class Carousel extends ElCarousel {}
-
-/** Carousel Item Component */
-export class CarouselItem extends ElCarouselItem {}
-
-/** Checkbox Component */
-export class Checkbox extends ElCheckbox {}
-
-/** Checkbox Button Component */
-export class CheckboxButton extends ElCheckboxButton {}
-
-/** Checkbox Group Component */
-export class CheckboxGroup extends ElCheckboxGroup {}
-
-/** Colunm Layout Component */
-export class Col extends ElCol {}
-
-/** Collapse Component */
-export class Collapse extends ElCollapse {}
-
-/** Collapse Item Component */
-export class CollapseItem extends ElCollapseItem {}
-
-/** Color Picker Component */
-export class ColorPicker extends ElColorPicker {}
-
-/** Container Component */
-export class Container extends ElContainer {}
-
-/** Date Picker Component */
-export class DatePicker extends ElDatePicker {}
-
-/** Dialog Component */
-export class Dialog extends ElDialog {}
-
-/** Dropdown Component */
-export class Dropdown extends ElDropdown {}
-
-/** Dropdown Item Component */
-export class DropdownItem extends ElDropdownItem {}
-
-/** Dropdown Menu Component */
-export class DropdownMenu extends ElDropdownMenu {}
-
-/** Footer Component */
-export class Footer extends ElFooter {}
-
-/** Form Component */
-export class Form extends ElForm {}
-
-/** Form Item Component */
-export class FormItem extends ElFormItem {}
-
-/** Header Component */
-export class Header extends ElHeader {}
-
-/** Input Component */
-export class Input extends ElInput {}
-
-/** Input Number Component */
-export class InputNumber extends ElInputNumber {}
-
-/** Main Component */
-export class Main extends ElMain {}
-
-/** Menu that provides navigation for your website */
-export class Menu extends ElMenu {}
-
-/** Menu Item Component */
-export class MenuItem extends ElMenuItem {}
-
-/** Menu Item Group Component */
-export class MenuItemGroup extends ElMenuItemGroup {}
-
-/** Dropdown Select Option Component */
-export class Option extends ElOption {}
-
-/** Dropdown Select Option Group Component */
-export class OptionGroup extends ElOptionGroup {}
-
-/** Pagination Component */
-export class Pagination extends ElPagination {}
-
-/** Popover Component */
-export class Popover extends ElPopover {}
-
-/** Progress Component */
-export class Progress extends ElProgress {}
-
-/** Rate Component */
-export class Rate extends ElRate {}
-
-/** Radio Component */
-export class Radio extends ElRadio {}
-
-/** Radio Button Component */
-export class RadioButton extends ElRadioButton {}
-
-/** Radio Group Component */
-export class RadioGroup extends ElRadioGroup {}
-
-/** Row Layout Component */
-export class Row extends ElRow {}
-
-/** Dropdown Select Component */
-export class Select extends ElSelect {}
-
-/** Slider Component */
-export class Slider extends ElSlider {}
-
-/** Step Component */
-export class Step extends ElStep {}
-
-/** Steps Component */
-export class Steps extends ElSteps {}
-
-/** Submenu Component */
-export class Submenu extends ElSubmenu {}
-
-/** Switch Component */
-export class Switch extends ElSwitch {}
-
-/** Table Component */
-export class Table extends ElTable {}
-
-/** Table Column Component */
-export class TableColumn extends ElTableColumn {}
-
-/** Tabs Component */
-export class Tabs extends ElTabs {}
-
-/** Tab Pane Component */
-export class TabPane extends ElTabPane {}
-
-/** Tag Component */
-export class Tag extends ElTag {}
-
-/** Timeline Component */
-export class Timeline extends ElTimeline {}
-
-/** Timeline Item Component */
-export class TimelineItem extends ElTimelineItem {}
-
-/** TimePicker Component */
-export class TimePicker extends ElTimePicker {}
-
-/** TimeSelect Component */
-export class TimeSelect extends ElTimeSelect {}
-
-/** Tooltip Component */
-export class Tooltip extends ElTooltip {}
-
-/** Transfer Component */
-export class Transfer extends ElTransfer {}
-
-/** Tree Component */
-export class Tree<K = any, D = TreeData> extends ElTree<K, D> {}
-
-/** Upload Component */
-export class Upload extends ElUpload {}
-
-/** Divider Component */
-export class Divider extends ElDivider {}
-
-/** Link Component */
-export class Link extends ElLink {}
-
-/** Image Component */
-export class Image extends ElImage {}
-
-/** Icon Component */
-export class Icon extends ElIcon {}
-
-/** Calendar Component */
-export class Calendar extends ElCalendar {}
-
-/** Backtop Component */
-export class Backtop extends ElBacktop {}
-
-/** InfiniteScroll Directive */
-export const InfiniteScroll: PluginObject<ElInfiniteScroll>;
-
-/** PageHeader Component */
-export class PageHeader extends ElPageHeader {}
-
-/** Avatar Component */
-export class Avatar extends ElAvatar {}
-
-/** Drawer Component */
-export class Drawer extends ElDrawer {}
-
-/** Statistic Component */
-export class Statistic extends ElStatistic {}
-
 import Vue, { PluginObject } from 'vue'
 import { ElementUIComponent, ElementUIComponentSize, ElementUIHorizontalAlignment } from './component'
 
@@ -437,6 +88,7 @@ import { ElSpinner } from './spinner'
 import { ElDescriptions } from './descriptions'
 import { ElDescriptionsItem } from './descriptions-item'
 import { ElResult } from './result'
+import { ElStatistic } from './statistic'
 
 export interface InstallationOptions {
   locale: any,
@@ -725,3 +377,6 @@ export class DescriptionsItem extends ElDescriptionsItem {}
 
 /** Result Component */
 export class Result extends ElResult {}
+
+/** Statistic Component */
+export class Statistic extends ElStatistic {}
\ No newline at end of file
diff --git a/types/statistic.d.ts b/types/statistic.d.ts
index 9f9b1fbc7..1221a4c92 100644
--- a/types/statistic.d.ts
+++ b/types/statistic.d.ts
@@ -2,26 +2,36 @@ import { ElementUIComponent } from './component'
 
 /** Statistic Component */
 export declare class ElStatistic extends ElementUIComponent {
-      /** Set the decimal point */
-    decimalSeparator:string
-      /** Sets the thousandth identifier */
-    groupSeparator:string
-      /** numerical precision */
-    precision:number
+    /** Set the decimal point */
+    decimalSeparator: string
+
+    /** Sets the thousandth identifier */
+    groupSeparator: string
+
+    /** numerical precision */
+    precision: number
+
     /** Numerical content */
-    value:string|number
-  /** Title of numerical value */
-    title:string|number
-      /**Whether to enable the countdown function */
-    timeIndices:boolean
-      /** Sets the style of the value */
-    valueStyle:object
-      /** Numeric content formatting countdown display*/
-    format:string
-      /** Set the ratio */
-    rate:number
-   /** Set the suffix of the value*/
-    suffix:string
-    /** Set the prefix of the value*/
-    prefix:string
+    value: string | number
+
+    /** Title of numerical value */
+    title: string | number
+
+    /** Whether to enable the countdown function */
+    timeIndices: boolean
+
+    /** Sets the style of the value */
+    valueStyle: object
+
+    /** Numeric content formatting countdown display */
+    format: string
+
+    /** Set the ratio */
+    rate: number
+
+    /** Set the suffix of the value */
+    suffix: string
+
+    /** Set the prefix of the value */
+    prefix: string
 }