diff --git a/dist/action-sheet/index.wxml b/dist/action-sheet/index.wxml
index dd71adcb..2c4c1f21 100644
--- a/dist/action-sheet/index.wxml
+++ b/dist/action-sheet/index.wxml
@@ -1,3 +1,5 @@
+<wxs src="../wxs/utils.wxs" module="utils" />
+
 <van-popup
   show="{{ show }}"
   position="bottom"
@@ -22,7 +24,8 @@
       wx:for="{{ actions }}"
       wx:key="index"
       open-type="{{ item.openType }}"
-      class="van-action-sheet__item van-hairline--top {{ item.disabled || item.loading ? 'van-action-sheet__item--disabled' : '' }} {{ item.className || '' }}"
+      class="{{ utils.bem('action-sheet__item', { disabled: item.disabled || item.loading }) }} van-hairline--top {{ item.className || '' }}"
+      hover-class="van-action-sheet__item--hover"
       data-index="{{ index }}"
       bind:tap="onSelect"
     >
@@ -36,6 +39,8 @@
   <view
     wx:if="{{ cancelText }}"
     class="van-action-sheet__cancel"
+    hover-class="van-action-sheet__cancel--hover"
+    hover-stay-time="70"
     bind:tap="onCancel"
   >
     {{ cancelText }}
diff --git a/dist/action-sheet/index.wxss b/dist/action-sheet/index.wxss
index 4f7f35fd..d1f7431d 100644
--- a/dist/action-sheet/index.wxss
+++ b/dist/action-sheet/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-action-sheet{max-height:90%!important;color:#333}.van-action-sheet__cancel,.van-action-sheet__item{height:50px;font-size:16px;line-height:50px;text-align:center;background-color:#fff}.van-action-sheet__cancel:active,.van-action-sheet__item:active{background-color:#e8e8e8}.van-action-sheet__cancel{height:60px}.van-action-sheet__cancel::before{display:block;content:' ';height:10px;background-color:#f8f8f8}.van-action-sheet__item--disabled{color:#c9c9c9}.van-action-sheet__item--disabled:active{background-color:#fff}.van-action-sheet__subname{margin-left:5px;font-size:12px;color:#7d7e80}.van-action-sheet__header{font-size:16px;font-weight:500;line-height:44px;text-align:center}.van-action-sheet__close{position:absolute!important;top:0;right:0;padding:0 15px;font-size:18px!important;line-height:inherit!important;color:#999}
\ No newline at end of file
+@import '../common/index.wxss';.van-action-sheet{max-height:90%!important;color:#333}.van-action-sheet__cancel{height:60px}.van-action-sheet__cancel::before{display:block;height:10px;background-color:#f8f8f8;content:' '}.van-action-sheet__cancel,.van-action-sheet__item{height:50px;font-size:16px;line-height:50px;text-align:center;background-color:#fff}.van-action-sheet__cancel--hover,.van-action-sheet__item--hover{background-color:#e8e8e8}.van-action-sheet__item--disabled{color:#c9c9c9}.van-action-sheet__item--disabled.van-action-sheet__item--hover{background-color:#fff}.van-action-sheet__subname{margin-left:5px;font-size:12px;color:#7d7e80}.van-action-sheet__header{font-size:16px;font-weight:500;line-height:44px;text-align:center}.van-action-sheet__close{position:absolute!important;top:0;right:0;padding:0 15px;font-size:18px!important;line-height:inherit!important;color:#999}
\ No newline at end of file
diff --git a/dist/badge/index.wxml b/dist/badge/index.wxml
index 425b4739..3563bdbf 100644
--- a/dist/badge/index.wxml
+++ b/dist/badge/index.wxml
@@ -1,4 +1,11 @@
-<view class="van-badge van-hairline custom-class {{ active ? 'van-badge--active' : '' }}" bind:tap="onClick">
+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view
+  class="{{ utils.bem('badge', { active }) }} van-hairline custom-class"
+  hover-class="van-badge--hover"
+  hover-stay-time="70"
+  bind:tap="onClick"
+>
   <view class="van-badge__text">
     <van-info
       wx:if="{{ info !== null }}"
diff --git a/dist/badge/index.wxss b/dist/badge/index.wxss
index a6f3e822..71545d99 100644
--- a/dist/badge/index.wxss
+++ b/dist/badge/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-badge{display:block;overflow:hidden;font-size:14px;line-height:1.4;-webkit-user-select:none;user-select:none;color:#7d7e80;word-break:break-all;box-sizing:border-box;padding:20px 12px 20px 9px;background-color:#f8f8f8;border-left:3px solid transparent}.van-badge:active{background-color:#e8e8e8}.van-badge::after{border-bottom-width:1px}.van-badge--active{font-weight:700;color:#333;border-color:#f44}.van-badge--active::after{border-right-width:1px}.van-badge--active,.van-badge--active:active{background-color:#fff}.van-badge__text{position:relative}
\ No newline at end of file
+@import '../common/index.wxss';.van-badge{display:block;padding:20px 12px 20px 9px;overflow:hidden;font-size:14px;line-height:1.4;color:#7d7e80;word-break:break-all;background-color:#f8f8f8;border-left:3px solid transparent;box-sizing:border-box;-webkit-user-select:none;user-select:none}.van-badge--hover{background-color:#e8e8e8}.van-badge::after{border-bottom-width:1px}.van-badge--active{font-weight:700;color:#333;border-color:#f44}.van-badge--active::after{border-right-width:1px}.van-badge--active,.van-badge--active.van-badge--hover{background-color:#fff}.van-badge__text{position:relative}
\ No newline at end of file
diff --git a/dist/button/index.js b/dist/button/index.js
index e5b2e792..462f9b6d 100644
--- a/dist/button/index.js
+++ b/dist/button/index.js
@@ -2,8 +2,8 @@ import { VantComponent } from '../common/component';
 import { button } from '../mixins/button';
 import { openType } from '../mixins/open-type';
 VantComponent({
-  classes: ['loading-class'],
   mixins: [button, openType],
+  classes: ['hover-class', 'loading-class'],
   props: {
     plain: Boolean,
     block: Boolean,
diff --git a/dist/button/index.wxml b/dist/button/index.wxml
index 68f22736..3c18b206 100644
--- a/dist/button/index.wxml
+++ b/dist/button/index.wxml
@@ -2,21 +2,26 @@
 
 <button
   id="{{ id }}"
-  lang="{{ lang }}"
   class="custom-class {{ utils.bem('button', [type, size, { block, round, plain, square, loading, disabled, unclickable: disabled || loading }]) }}"
+
   open-type="{{ openType }}"
+  hover-class="van-button--active hover-class"
+  lang="{{ lang }}"
   session-from="{{ sessionFrom }}"
-  app-parameter="{{ appParameter }}"
-  send-message-img="{{ sendMessageImg }}"
-  send-message-path="{{ sendMessagePath }}"
-  show-message-card="{{ showMessageCard }}"
   send-message-title="{{ sendMessageTitle }}"
-  bind:tap="onClick"
-  binderror="bindError"
-  bindcontact="bindContact"
-  bindopensetting="bindOpenSetting"
+  send-message-path="{{ sendMessagePath }}"
+  send-message-img="{{ sendMessageImg }}"
+  show-message-card="{{ showMessageCard }}"
+  app-parameter="{{ appParameter }}"
+  aria-label="{{ ariaLabel }}"
+
+  bindtap="onClick"
   bindgetuserinfo="bindGetUserInfo"
+  bindcontact="bindContact"
   bindgetphonenumber="bindGetPhoneNumber"
+  binderror="bindError"
+  bindlaunchapp="bindLaunchApp"
+  bindopensetting="bindOpenSetting"
 >
   <van-loading
     wx:if="{{ loading }}"
diff --git a/dist/button/index.wxss b/dist/button/index.wxss
index 6f215a83..a6feece5 100644
--- a/dist/button/index.wxss
+++ b/dist/button/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-button{position:relative;padding:0;display:inline-block;height:44px;line-height:42px;border-radius:2px;box-sizing:border-box;font-size:16px;text-align:center;vertical-align:middle;-webkit-appearance:none;-webkit-text-size-adjust:100%}.van-button::after{content:" ";position:absolute;top:50%;left:50%;opacity:0;width:100%;height:100%;border:inherit;border-color:#000;background-color:#000;border-radius:inherit;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.van-button:active::after{opacity:.15}.van-button--unclickable::after{display:none}.van-button--default{color:#333;background-color:#fff;border:1px solid #eee}.van-button--primary{color:#fff;background-color:#07c160;border:1px solid #07c160}.van-button--danger{color:#fff;background-color:#f44;border:1px solid #f44}.van-button--warning{color:#fff;background-color:#ff976a;border:1px solid #ff976a}.van-button--plain{background-color:#fff}.van-button--plain.van-button--primary{color:#07c160}.van-button--plain.van-button--danger{color:#f44}.van-button--plain.van-button--warning{color:#ff976a}.van-button--large{width:100%;height:50px;line-height:48px}.van-button--normal{padding:0 15px;font-size:14px}.van-button--small{height:30px;padding:0 8px;min-width:60px;font-size:12px;line-height:28px}.van-button--mini{display:inline-block;width:50px;height:22px;line-height:20px;font-size:10px}.van-button--mini+.van-button--mini{margin-left:5px}.van-button--block{width:100%;display:block}.van-button--round{border-radius:10em}.van-button--square{border-radius:0}.van-button--disabled{opacity:.5}
\ No newline at end of file
+@import '../common/index.wxss';.van-button{position:relative;display:inline-block;height:44px;padding:0;font-size:16px;line-height:42px;text-align:center;-webkit-text-size-adjust:100%;vertical-align:middle;border-radius:2px;box-sizing:border-box;-webkit-appearance:none}.van-button::after{position:absolute;top:50%;left:50%;width:100%;height:100%;background-color:#000;border:inherit;border-color:#000;border-radius:inherit;content:' ';opacity:0;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.van-button--active::after{opacity:.15}.van-button--unclickable::after{display:none}.van-button--default{color:#333;background-color:#fff;border:1px solid #eee}.van-button--primary{color:#fff;background-color:#07c160;border:1px solid #07c160}.van-button--danger{color:#fff;background-color:#f44;border:1px solid #f44}.van-button--warning{color:#fff;background-color:#ff976a;border:1px solid #ff976a}.van-button--plain{background-color:#fff}.van-button--plain.van-button--primary{color:#07c160}.van-button--plain.van-button--danger{color:#f44}.van-button--plain.van-button--warning{color:#ff976a}.van-button--large{width:100%;height:50px;line-height:48px}.van-button--normal{padding:0 15px;font-size:14px}.van-button--small{height:30px;min-width:60px;padding:0 8px;font-size:12px;line-height:28px}.van-button--mini{display:inline-block;width:50px;height:22px;font-size:10px;line-height:20px}.van-button--mini+.van-button--mini{margin-left:5px}.van-button--block{display:block;width:100%}.van-button--round{border-radius:10em}.van-button--square{border-radius:0}.van-button--disabled{opacity:.5}
\ No newline at end of file
diff --git a/dist/card/index.wxml b/dist/card/index.wxml
index d4e67631..46d9d813 100644
--- a/dist/card/index.wxml
+++ b/dist/card/index.wxml
@@ -1,5 +1,7 @@
-<view class="custom-class van-card {{ centered ? 'van-card--center' : '' }}">
-  <view class="van-card__header">
+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view class="custom-class van-card">
+  <view class="{{ utils.bem('card__header', { center: centered }) }}">
     <view class="van-card__thumb" bind:tap="onClickThumb">
       <image
         wx:if="{{ thumb }}"
@@ -20,10 +22,10 @@
     </view>
 
     <view class="van-card__content">
-      <view wx:if="{{ title }}" class="van-card__title van-multi-ellipsis--l2 title-class">{{ title }}</view>
+      <view wx:if="{{ title }}" class="van-card__title title-class">{{ title }}</view>
       <slot wx:else name="title" />
 
-      <view wx:if="{{ desc }}" class="van-card__desc van-ellipsis desc-class">{{ desc }}</view>
+      <view wx:if="{{ desc }}" class="van-card__desc desc-class">{{ desc }}</view>
       <slot wx:else name="desc" />
 
       <slot name="tags" />
diff --git a/dist/card/index.wxss b/dist/card/index.wxss
index 21d0fe93..b2b0a76f 100644
--- a/dist/card/index.wxss
+++ b/dist/card/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-card{position:relative;padding:5px 15px;font-size:12px;color:#333;background-color:#fafafa;box-sizing:border-box}.van-card--center{-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center}.van-card__header{display:-webkit-flex;display:flex}.van-card__thumb{position:relative;width:90px;height:90px;margin-right:10px;-webkit-flex:none;flex:none}.van-card__thumb:empty{display:none}.van-card__img{width:100%;height:100%}.van-card__content{position:relative;height:90px;min-width:0;-webkit-flex:1;flex:1}.van-card__desc,.van-card__title{word-break:break-all}.van-card__title{max-height:32px;font-weight:700;line-height:16px}.van-card__desc{max-height:20px;line-height:20px;color:#7d7e80}.van-card__bottom{line-height:20px}.van-card__price{display:inline-block;font-weight:700;color:#f44}.van-card__origin-price{display:inline-block;margin-left:5px;font-size:10px;color:#7d7e80;text-decoration:line-through}.van-card__num{float:right}.van-card__tag{position:absolute;top:2px;left:0}.van-card__footer{width:100%;text-align:right;-webkit-flex:none;flex:none}
\ No newline at end of file
+@import '../common/index.wxss';.van-card{position:relative;padding:5px 15px;font-size:12px;color:#333;background-color:#fafafa;box-sizing:border-box}.van-card__header{display:-webkit-flex;display:flex}.van-card__header--center{-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center}.van-card__thumb{position:relative;width:90px;height:90px;margin-right:10px;-webkit-flex:none;flex:none}.van-card__thumb:empty{display:none}.van-card__img{width:100%;height:100%}.van-card__content{position:relative;min-width:0;-webkit-flex:1;flex:1}.van-card__desc,.van-card__title{word-break:break-all}.van-card__title{font-weight:700;line-height:16px}.van-card__desc{line-height:20px;color:#7d7e80}.van-card__bottom{line-height:20px}.van-card__price{display:inline-block;font-weight:700;color:#f44}.van-card__origin-price{display:inline-block;margin-left:5px;font-size:10px;color:#7d7e80;text-decoration:line-through}.van-card__num{float:right}.van-card__tag{position:absolute;top:2px;left:0}.van-card__footer{width:100%;text-align:right;-webkit-flex:none;flex:none}
\ No newline at end of file
diff --git a/dist/cell/index.js b/dist/cell/index.js
index 26d2f015..5607b9e3 100644
--- a/dist/cell/index.js
+++ b/dist/cell/index.js
@@ -1,7 +1,7 @@
 import { link } from '../mixins/link';
 import { VantComponent } from '../common/component';
 VantComponent({
-  classes: ['title-class', 'label-class', 'value-class', 'right-icon-class'],
+  classes: ['title-class', 'label-class', 'value-class', 'right-icon-class', 'hover-class'],
   mixins: [link],
   props: {
     title: null,
diff --git a/dist/cell/index.wxml b/dist/cell/index.wxml
index caee22b6..44f643d8 100644
--- a/dist/cell/index.wxml
+++ b/dist/cell/index.wxml
@@ -2,6 +2,8 @@
 
 <view
   class="custom-class {{ utils.bem('cell', [size, { center, required, borderless: !border, clickable: isLink || clickable }]) }}"
+  hover-class="van-cell--hover hover-class"
+  hover-stay-time="70"
   style="{{ customStyle }}"
   bind:tap="onClick"
 >
diff --git a/dist/cell/index.wxss b/dist/cell/index.wxss
index 0b565598..17966301 100644
--- a/dist/cell/index.wxss
+++ b/dist/cell/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-cell{width:100%;display:-webkit-flex;display:flex;padding:10px 15px;box-sizing:border-box;line-height:24px;position:relative;background-color:#fff;color:#333;font-size:14px}.van-cell::after{content:' ';position:absolute;pointer-events:none;box-sizing:border-box;-webkit-transform-origin:center;transform-origin:center;top:auto;left:15px;right:0;bottom:0;-webkit-transform:scaleY(.5);transform:scaleY(.5);border-bottom:1px solid #eee}.van-cell--borderless::after{display:none}.van-cell-group{background-color:#fff}.van-cell__label{color:#999;font-size:12px;margin-top:3px;line-height:18px}.van-cell__title,.van-cell__value{-webkit-flex:1;flex:1}.van-cell__title:empty,.van-cell__value:empty{display:none}.van-cell__value{color:#999;overflow:hidden;text-align:right;vertical-align:middle}.van-cell__left-icon-wrap,.van-cell__right-icon-wrap{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;height:24px;font-size:16px}.van-cell__left-icon-wrap{margin-right:5px}.van-cell__right-icon-wrap{margin-left:5px;color:#999}.van-cell__left-icon{line-height:24px;vertical-align:middle}.van-cell__right-icon{line-height:24px}.van-cell--clickable:active{background-color:#e8e8e8}.van-cell--required{overflow:visible}.van-cell--required::before{content:'*';position:absolute;left:7px;font-size:14px;color:#f44}.van-cell--center{-webkit-align-items:center;align-items:center}.van-cell--large{padding-top:12px;padding-bottom:12px}.van-cell--large .van-cell__title{font-size:16px}.van-cell--large .van-cell__label{font-size:14px}
\ No newline at end of file
+@import '../common/index.wxss';.van-cell{position:relative;display:-webkit-flex;display:flex;width:100%;padding:10px 15px;font-size:14px;line-height:24px;color:#333;background-color:#fff;box-sizing:border-box}.van-cell::after{content:' ';position:absolute;pointer-events:none;box-sizing:border-box;-webkit-transform-origin:center;transform-origin:center;top:auto;left:15px;right:0;bottom:0;-webkit-transform:scaleY(.5);transform:scaleY(.5);border-bottom:1px solid #eee}.van-cell--borderless::after{display:none}.van-cell-group{background-color:#fff}.van-cell__label{margin-top:3px;font-size:12px;line-height:18px;color:#999}.van-cell__value{overflow:hidden;color:#999;text-align:right;vertical-align:middle}.van-cell__title,.van-cell__value{-webkit-flex:1;flex:1}.van-cell__title:empty,.van-cell__value:empty{display:none}.van-cell__left-icon-wrap,.van-cell__right-icon-wrap{display:-webkit-flex;display:flex;height:24px;font-size:16px;-webkit-align-items:center;align-items:center}.van-cell__left-icon-wrap{margin-right:5px}.van-cell__right-icon-wrap{margin-left:5px;color:#999}.van-cell__left-icon{line-height:24px;vertical-align:middle}.van-cell__right-icon{line-height:24px}.van-cell--clickable.van-cell--hover{background-color:#e8e8e8}.van-cell--required{overflow:visible}.van-cell--required::before{position:absolute;left:7px;font-size:14px;color:#f44;content:'*'}.van-cell--center{-webkit-align-items:center;align-items:center}.van-cell--large{padding-top:12px;padding-bottom:12px}.van-cell--large .van-cell__title{font-size:16px}.van-cell--large .van-cell__label{font-size:14px}
\ No newline at end of file
diff --git a/dist/collapse-item/index.js b/dist/collapse-item/index.js
index afe1fc35..640f1c5c 100644
--- a/dist/collapse-item/index.js
+++ b/dist/collapse-item/index.js
@@ -1,6 +1,6 @@
 import { VantComponent } from '../common/component';
 VantComponent({
-  classes: ['content-class'],
+  classes: ['title-class', 'content-class'],
   relation: {
     name: 'collapse',
     type: 'ancestor',
diff --git a/dist/collapse-item/index.wxml b/dist/collapse-item/index.wxml
index b6ffedd9..4c52f6ca 100644
--- a/dist/collapse-item/index.wxml
+++ b/dist/collapse-item/index.wxml
@@ -3,6 +3,7 @@
 <view class="van-collapse-item van-hairline--top custom-class">
   <van-cell
     title="{{ title }}"
+    title-class="title-class"
     icon="{{ icon }}"
     is-link="{{ isLink }}"
     value="{{ value }}"
@@ -11,6 +12,7 @@
     class="{{ utils.bem('collapse-item__title', { disabled, expanded }) }}"
     right-icon-class="van-cell__right-icon"
     custom-class="van-cell"
+    hover-class="van-cell--hover"
     bind:click="onClick"
   >
     <slot
diff --git a/dist/collapse-item/index.wxss b/dist/collapse-item/index.wxss
index 8d0a134c..34f032ad 100644
--- a/dist/collapse-item/index.wxss
+++ b/dist/collapse-item/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-collapse-item__title .van-cell__right-icon{-webkit-transform:rotate(90deg);transform:rotate(90deg);transition:.3s}.van-collapse-item__title--expanded .van-cell__right-icon{-webkit-transform:rotate(-90deg);transform:rotate(-90deg)}.van-collapse-item__title--disabled .van-cell,.van-collapse-item__title--disabled .van-cell__right-icon{color:#c9c9c9!important}.van-collapse-item__title--disabled .van-cell:active{background-color:#fff!important}.van-collapse-item__wrapper{overflow:hidden}.van-collapse-item__content{color:#999;padding:15px;font-size:13px;line-height:1.5;background-color:#fff}
\ No newline at end of file
+@import '../common/index.wxss';.van-collapse-item__title .van-cell__right-icon{-webkit-transform:rotate(90deg);transform:rotate(90deg);transition:.3s}.van-collapse-item__title--expanded .van-cell__right-icon{-webkit-transform:rotate(-90deg);transform:rotate(-90deg)}.van-collapse-item__title--disabled .van-cell,.van-collapse-item__title--disabled .van-cell__right-icon{color:#c9c9c9!important}.van-collapse-item__title--disabled .van-cell--hover{background-color:#fff!important}.van-collapse-item__wrapper{overflow:hidden}.van-collapse-item__content{padding:15px;font-size:13px;line-height:1.5;color:#999;background-color:#fff}
\ No newline at end of file
diff --git a/dist/datetime-picker/index.wxss b/dist/datetime-picker/index.wxss
index 1616412e..99694d60 100644
--- a/dist/datetime-picker/index.wxss
+++ b/dist/datetime-picker/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-picker{-webkit-text-size-adjust:100%;position:relative;overflow:hidden;background-color:#fff;-webkit-user-select:none;user-select:none}.van-picker__toolbar{display:-webkit-flex;display:flex;-webkit-justify-content:space-between;justify-content:space-between;height:44px;line-height:44px}.van-picker__cancel,.van-picker__confirm{color:#1989fa;padding:0 15px;font-size:14px}.van-picker__cancel:active,.van-picker__confirm:active{background-color:#e8e8e8}.van-picker__title{max-width:50%;font-size:16px;font-weight:500;text-align:center}.van-picker__columns{position:relative}.van-picker__loading{display:-webkit-flex;display:flex;z-index:4;position:absolute;top:0;right:0;bottom:0;left:0;-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center;background-color:rgba(255,255,255,.9)}.van-picker-column{-webkit-flex:1;flex:1;overflow:hidden;font-size:16px;text-align:center}.van-picker-column__item{padding:0 5px;color:#999}.van-picker-column__item--selected{font-weight:500;color:#333}.van-picker-column__item--disabled{opacity:.3}
\ No newline at end of file
+@import '../common/index.wxss';
\ No newline at end of file
diff --git a/dist/dialog/index.js b/dist/dialog/index.js
index a8e3327e..4a7c7794 100644
--- a/dist/dialog/index.js
+++ b/dist/dialog/index.js
@@ -14,7 +14,7 @@ VantComponent({
     confirmButtonOpenType: String,
     zIndex: {
       type: Number,
-      value: 100
+      value: 2000
     },
     confirmButtonText: {
       type: String,
diff --git a/dist/dialog/index.wxss b/dist/dialog/index.wxss
index 97ee8923..eea753a8 100644
--- a/dist/dialog/index.wxss
+++ b/dist/dialog/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-dialog{width:85%;font-size:16px;overflow:hidden;border-radius:4px;background-color:#fff}.van-dialog__header{font-weight:500;padding-top:25px;text-align:center}.van-dialog__header--isolated{padding:25px 0}.van-dialog__message{padding:25px;font-size:14px;line-height:1.5;max-height:60vh;overflow-y:auto;text-align:center;-webkit-overflow-scrolling:touch}.van-dialog__message--has-title{padding-top:12px;color:#7d7e80}.van-dialog__message--left{text-align:left}.van-dialog__message--right{text-align:right}.van-dialog__footer{display:-webkit-flex;display:flex}.van-dialog__button{-webkit-flex:1;flex:1}.van-dialog__cancel,.van-dialog__confirm{border:0!important}.van-dialog__confirm,.van-dialog__confirm:active{color:#1989fa!important}.van-dialog-bounce-enter{opacity:0;-webkit-transform:translate3d(-50%,-50%,0) scale(.7);transform:translate3d(-50%,-50%,0) scale(.7)}.van-dialog-bounce-leave-active{opacity:0;-webkit-transform:translate3d(-50%,-50%,0) scale(.9);transform:translate3d(-50%,-50%,0) scale(.9)}
\ No newline at end of file
+@import '../common/index.wxss';.van-dialog{width:85%;overflow:hidden;font-size:16px;background-color:#fff;border-radius:4px}.van-dialog__header{padding-top:25px;font-weight:500;text-align:center}.van-dialog__header--isolated{padding:25px 0}.van-dialog__message{max-height:60vh;padding:25px;overflow-y:auto;font-size:14px;line-height:1.5;text-align:center;-webkit-overflow-scrolling:touch}.van-dialog__message--has-title{padding-top:12px;color:#7d7e80}.van-dialog__message--left{text-align:left}.van-dialog__message--right{text-align:right}.van-dialog__footer{display:-webkit-flex;display:flex}.van-dialog__button{-webkit-flex:1;flex:1}.van-dialog__cancel,.van-dialog__confirm{border:0!important}.van-dialog__confirm{color:#1989fa!important}.van-dialog-bounce-enter{opacity:0;-webkit-transform:translate3d(-50%,-50%,0) scale(.7);transform:translate3d(-50%,-50%,0) scale(.7)}.van-dialog-bounce-leave-active{opacity:0;-webkit-transform:translate3d(-50%,-50%,0) scale(.9);transform:translate3d(-50%,-50%,0) scale(.9)}
\ No newline at end of file
diff --git a/dist/field/index.wxss b/dist/field/index.wxss
index db9a9eda..6948b04c 100644
--- a/dist/field/index.wxss
+++ b/dist/field/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-field__body{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center}.van-field__body--textarea{min-height:24px}.van-field__input{border:0;margin:0;padding:0;width:100%;height:24px;resize:none;display:block;text-align:left;min-height:24px;color:#333;line-height:inherit;box-sizing:border-box;background-color:transparent}.van-field__input--disabled{opacity:1;color:#999;background-color:transparent}.van-field__input--center{text-align:center}.van-field__input--right{text-align:right}.van-field__input--error{color:#f44}.van-field__placeholder{color:#999}.van-field__clear-root{height:24px}.van-field__button,.van-field__clear,.van-field__icon-container{-webkit-flex-shrink:0;flex-shrink:0}.van-field__clear,.van-field__icon-container{padding:0 10px;line-height:inherit;margin-right:-10px;vertical-align:middle}.van-field__clear{color:#c9c9c9}.van-field__icon-container{color:#999}.van-field__icon{display:block!important}.van-field__button{padding-left:10px}.van-field__error-message{color:#f44;font-size:12px;text-align:left}
\ No newline at end of file
+@import '../common/index.wxss';.van-field__body{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center}.van-field__body--textarea{min-height:24px}.van-field__input{display:block;width:100%;height:24px;min-height:24px;padding:0;margin:0;line-height:inherit;color:#333;text-align:left;background-color:transparent;border:0;box-sizing:border-box;resize:none}.van-field__input--disabled{color:#999;background-color:transparent;opacity:1}.van-field__input--center{text-align:center}.van-field__input--right{text-align:right}.van-field__input--error{color:#f44}.van-field__placeholder{color:#999}.van-field__clear-root{display:-webkit-flex;display:flex;height:24px;-webkit-align-items:center;align-items:center}.van-field__button,.van-field__clear,.van-field__icon-container{-webkit-flex-shrink:0;flex-shrink:0}.van-field__clear,.van-field__icon-container{padding:0 10px;margin-right:-10px;line-height:inherit;vertical-align:middle}.van-field__clear{color:#c9c9c9}.van-field__icon-container{color:#999}.van-field__icon{display:block!important}.van-field__button{padding-left:10px}.van-field__error-message{font-size:12px;color:#f44;text-align:left}
\ No newline at end of file
diff --git a/dist/goods-action-icon/index.js b/dist/goods-action-icon/index.js
index 09390520..637f9dfd 100644
--- a/dist/goods-action-icon/index.js
+++ b/dist/goods-action-icon/index.js
@@ -3,6 +3,7 @@ import { link } from '../mixins/link';
 import { button } from '../mixins/button';
 import { openType } from '../mixins/open-type';
 VantComponent({
+  classes: ['icon-class', 'text-class'],
   mixins: [link, button, openType],
   props: {
     text: String,
diff --git a/dist/goods-action-icon/index.wxml b/dist/goods-action-icon/index.wxml
index 9801e3b7..9593ac88 100644
--- a/dist/goods-action-icon/index.wxml
+++ b/dist/goods-action-icon/index.wxml
@@ -26,7 +26,8 @@
       name="{{ icon }}"
       info="{{ info }}"
       class="van-goods-action-icon__icon"
+      custom-class="icon-class"
     />
-    {{ text }}
+    <text class="text-class">{{ text }}</text>
   </view>
 </van-button>
diff --git a/dist/goods-action-icon/index.wxss b/dist/goods-action-icon/index.wxss
index 3ccfd2f5..674d0a04 100644
--- a/dist/goods-action-icon/index.wxss
+++ b/dist/goods-action-icon/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-goods-action-icon{width:50px!important;border:none!important}.van-goods-action-icon__content{height:100%;display:-webkit-flex;display:flex;line-height:1;font-size:10px;color:#7d7e80;-webkit-flex-direction:column;flex-direction:column;-webkit-justify-content:center;justify-content:center}.van-goods-action-icon__icon{margin-bottom:4px}
\ No newline at end of file
+@import '../common/index.wxss';.van-goods-action-icon{width:50px!important;border:none!important}.van-goods-action-icon__content{display:-webkit-flex;display:flex;height:100%;font-size:10px;line-height:1;color:#7d7e80;-webkit-flex-direction:column;flex-direction:column;-webkit-justify-content:center;justify-content:center}.van-goods-action-icon__icon{margin-bottom:4px}
\ No newline at end of file
diff --git a/dist/icon/index.wxss b/dist/icon/index.wxss
index 7df71b54..08f071f9 100644
--- a/dist/icon/index.wxss
+++ b/dist/icon/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';@font-face{font-style:normal;font-weight:400;font-family:vant-icon;src:url(https://img.yzcdn.cn/vant/vant-icon-3d2f5b.woff2) format('woff2'),url(https://img.yzcdn.cn/vant/vant-icon-3d2f5b.woff) format('woff'),url(https://img.yzcdn.cn/vant/vant-icon-3d2f5b.ttf) format('truetype')}.van-icon{position:relative;display:inline-block;font:normal normal normal 14px/1 vant-icon;font-size:inherit;text-rendering:auto;-webkit-font-smoothing:antialiased}.van-icon::before{display:inline-block}.van-icon-add-o:before{content:"\F000"}.van-icon-add-square:before{content:"\F001"}.van-icon-add:before{content:"\F002"}.van-icon-after-sale:before{content:"\F003"}.van-icon-aim:before{content:"\F004"}.van-icon-alipay:before{content:"\F005"}.van-icon-apps-o:before{content:"\F006"}.van-icon-arrow-down:before{content:"\F007"}.van-icon-arrow-left:before{content:"\F008"}.van-icon-arrow-up:before{content:"\F009"}.van-icon-arrow:before{content:"\F00A"}.van-icon-award-o:before{content:"\F00B"}.van-icon-award:before{content:"\F00C"}.van-icon-bag-o:before{content:"\F00D"}.van-icon-bag:before{content:"\F00E"}.van-icon-balance-list-o:before{content:"\F00F"}.van-icon-balance-list:before{content:"\F010"}.van-icon-balance-o:before{content:"\F011"}.van-icon-balance-pay:before{content:"\F012"}.van-icon-bar-chart-o:before{content:"\F013"}.van-icon-bars:before{content:"\F014"}.van-icon-bell:before{content:"\F015"}.van-icon-bill-o:before{content:"\F016"}.van-icon-bill:before{content:"\F017"}.van-icon-birthday-cake-o:before{content:"\F018"}.van-icon-bookmark-o:before{content:"\F019"}.van-icon-bookmark:before{content:"\F01A"}.van-icon-browsing-history-o:before{content:"\F01B"}.van-icon-browsing-history:before{content:"\F01C"}.van-icon-brush-o:before{content:"\F01D"}.van-icon-bulb-o:before{content:"\F01E"}.van-icon-bullhorn-o:before{content:"\F01F"}.van-icon-calender-o:before{content:"\F020"}.van-icon-card:before{content:"\F021"}.van-icon-cart-circle-o:before{content:"\F022"}.van-icon-cart-circle:before{content:"\F023"}.van-icon-cart-o:before{content:"\F024"}.van-icon-cart:before{content:"\F025"}.van-icon-cash-back-record:before{content:"\F026"}.van-icon-cash-on-deliver:before{content:"\F027"}.van-icon-cashier-o:before{content:"\F028"}.van-icon-certificate:before{content:"\F029"}.van-icon-chart-trending-o:before{content:"\F02A"}.van-icon-chat-o:before{content:"\F02B"}.van-icon-chat:before{content:"\F02C"}.van-icon-checked:before{content:"\F02D"}.van-icon-circle:before{content:"\F02E"}.van-icon-clear:before{content:"\F02F"}.van-icon-clock-o:before{content:"\F030"}.van-icon-clock:before{content:"\F031"}.van-icon-close:before{content:"\F032"}.van-icon-closed-eye:before{content:"\F033"}.van-icon-cluster-o:before{content:"\F034"}.van-icon-cluster:before{content:"\F035"}.van-icon-comment-circle-o:before{content:"\F036"}.van-icon-comment-o:before{content:"\F037"}.van-icon-comment:before{content:"\F038"}.van-icon-completed:before{content:"\F039"}.van-icon-contact:before{content:"\F03A"}.van-icon-coupon-o:before{content:"\F03B"}.van-icon-coupon:before{content:"\F03C"}.van-icon-credit-pay:before{content:"\F03D"}.van-icon-cross:before{content:"\F03E"}.van-icon-debit-pay:before{content:"\F03F"}.van-icon-delete:before{content:"\F040"}.van-icon-description:before{content:"\F041"}.van-icon-desktop-o:before{content:"\F042"}.van-icon-diamond-o:before{content:"\F043"}.van-icon-diamond:before{content:"\F044"}.van-icon-discount:before{content:"\F045"}.van-icon-ecard-pay:before{content:"\F046"}.van-icon-edit:before{content:"\F047"}.van-icon-ellipsis:before{content:"\F048"}.van-icon-empty:before{content:"\F049"}.van-icon-envelop-o:before{content:"\F04A"}.van-icon-exchange:before{content:"\F04B"}.van-icon-expand-o:before{content:"\F04C"}.van-icon-expand:before{content:"\F04D"}.van-icon-eye-o:before{content:"\F04E"}.van-icon-eye:before{content:"\F04F"}.van-icon-fail:before{content:"\F050"}.van-icon-failure:before{content:"\F051"}.van-icon-filter-o:before{content:"\F052"}.van-icon-fire-o:before{content:"\F053"}.van-icon-fire:before{content:"\F054"}.van-icon-flag-o:before{content:"\F055"}.van-icon-flower-o:before{content:"\F056"}.van-icon-free-postage:before{content:"\F057"}.van-icon-friends-o:before{content:"\F058"}.van-icon-friends:before{content:"\F059"}.van-icon-gem-o:before{content:"\F05A"}.van-icon-gem:before{content:"\F05B"}.van-icon-gift-card-o:before{content:"\F05C"}.van-icon-gift-card:before{content:"\F05D"}.van-icon-gift-o:before{content:"\F05E"}.van-icon-gift:before{content:"\F05F"}.van-icon-gold-coin-o:before{content:"\F060"}.van-icon-gold-coin:before{content:"\F061"}.van-icon-goods-collect-o:before{content:"\F062"}.van-icon-goods-collect:before{content:"\F063"}.van-icon-home-o:before{content:"\F064"}.van-icon-hot-o:before{content:"\F065"}.van-icon-hot-sale-o:before{content:"\F066"}.van-icon-hot-sale:before{content:"\F067"}.van-icon-hot:before{content:"\F068"}.van-icon-hotel-o:before{content:"\F069"}.van-icon-idcard:before{content:"\F06A"}.van-icon-info-o:before{content:"\F06B"}.van-icon-info:before{content:"\F06C"}.van-icon-label-o:before{content:"\F06D"}.van-icon-label:before{content:"\F06E"}.van-icon-like-o:before{content:"\F06F"}.van-icon-like:before{content:"\F070"}.van-icon-location-o:before{content:"\F071"}.van-icon-location:before{content:"\F072"}.van-icon-logistics:before{content:"\F073"}.van-icon-manager-o:before{content:"\F074"}.van-icon-manager:before{content:"\F075"}.van-icon-map-marked:before{content:"\F076"}.van-icon-medel-o:before{content:"\F077"}.van-icon-medel:before{content:"\F078"}.van-icon-more-o:before{content:"\F079"}.van-icon-more:before{content:"\F07A"}.van-icon-music-o:before{content:"\F07B"}.van-icon-new-arrival-o:before{content:"\F07C"}.van-icon-new-arrival:before{content:"\F07D"}.van-icon-new-o:before{content:"\F07E"}.van-icon-new:before{content:"\F07F"}.van-icon-newspaper-o:before{content:"\F080"}.van-icon-notes-o:before{content:"\F081"}.van-icon-orders-o:before{content:"\F082"}.van-icon-other-pay:before{content:"\F083"}.van-icon-paid:before{content:"\F084"}.van-icon-passed:before{content:"\F085"}.van-icon-pause:before{content:"\F086"}.van-icon-peer-pay:before{content:"\F087"}.van-icon-pending-payment:before{content:"\F088"}.van-icon-phone-circle-o:before{content:"\F089"}.van-icon-phone-o:before{content:"\F08A"}.van-icon-phone:before{content:"\F08B"}.van-icon-photo-o:before{content:"\F08C"}.van-icon-photo:before{content:"\F08D"}.van-icon-photograph:before{content:"\F08E"}.van-icon-play:before{content:"\F08F"}.van-icon-plus:before{content:"\F090"}.van-icon-point-gift-o:before{content:"\F091"}.van-icon-point-gift:before{content:"\F092"}.van-icon-points:before{content:"\F093"}.van-icon-printer:before{content:"\F094"}.van-icon-qr-invalid:before{content:"\F095"}.van-icon-qr:before{content:"\F096"}.van-icon-question-o:before{content:"\F097"}.van-icon-question:before{content:"\F098"}.van-icon-records:before{content:"\F099"}.van-icon-refund-o:before{content:"\F09A"}.van-icon-scan:before{content:"\F09B"}.van-icon-search:before{content:"\F09C"}.van-icon-send-gift-o:before{content:"\F09D"}.van-icon-send-gift:before{content:"\F09E"}.van-icon-service-o:before{content:"\F09F"}.van-icon-service:before{content:"\F0A0"}.van-icon-setting-o:before{content:"\F0A1"}.van-icon-setting:before{content:"\F0A2"}.van-icon-share:before{content:"\F0A3"}.van-icon-shop-collect-o:before{content:"\F0A4"}.van-icon-shop-collect:before{content:"\F0A5"}.van-icon-shop-o:before{content:"\F0A6"}.van-icon-shop:before{content:"\F0A7"}.van-icon-shopping-cart-o:before{content:"\F0A8"}.van-icon-shopping-cart:before{content:"\F0A9"}.van-icon-sign:before{content:"\F0AA"}.van-icon-smile-comment-o:before{content:"\F0AB"}.van-icon-smile-comment:before{content:"\F0AC"}.van-icon-smile-o:before{content:"\F0AD"}.van-icon-star-o:before{content:"\F0AE"}.van-icon-star:before{content:"\F0AF"}.van-icon-stop:before{content:"\F0B0"}.van-icon-success:before{content:"\F0B1"}.van-icon-thumb-circle-o:before{content:"\F0B2"}.van-icon-todo-list-o:before{content:"\F0B3"}.van-icon-todo-list:before{content:"\F0B4"}.van-icon-tosend:before{content:"\F0B5"}.van-icon-tv-o:before{content:"\F0B6"}.van-icon-umbrella-circle:before{content:"\F0B7"}.van-icon-underway-o:before{content:"\F0B8"}.van-icon-underway:before{content:"\F0B9"}.van-icon-upgrade:before{content:"\F0BA"}.van-icon-user-circle-o:before{content:"\F0BB"}.van-icon-user-o:before{content:"\F0BC"}.van-icon-video-o:before{content:"\F0BD"}.van-icon-video:before{content:"\F0BE"}.van-icon-vip-card-o:before{content:"\F0BF"}.van-icon-vip-card:before{content:"\F0C0"}.van-icon-volume-o:before{content:"\F0C1"}.van-icon-volume:before{content:"\F0C2"}.van-icon-wap-home:before{content:"\F0C3"}.van-icon-wap-nav:before{content:"\F0C4"}.van-icon-warn-o:before{content:"\F0C5"}.van-icon-wechat:before{content:"\F0C6"}.van-icon-youzan-shield:before{content:"\F0C7"}.van-icon--image{width:1em;height:1em}.van-icon--image image{top:0;left:0;right:0;bottom:0;margin:auto;max-width:100%;max-height:100%;position:absolute}
\ No newline at end of file
+@import '../common/index.wxss';@font-face{font-style:normal;font-weight:400;font-family:vant-icon;src:url(https://img.yzcdn.cn/vant/vant-icon-956c55.woff2) format('woff2'),url(https://img.yzcdn.cn/vant/vant-icon-956c55.woff) format('woff'),url(https://img.yzcdn.cn/vant/vant-icon-956c55.ttf) format('truetype')}.van-icon{position:relative;display:inline-block;font:normal normal normal 14px/1 vant-icon;font-size:inherit;text-rendering:auto;-webkit-font-smoothing:antialiased}.van-icon::before{display:inline-block}.van-icon-add-o:before{content:"\F000"}.van-icon-add-square:before{content:"\F001"}.van-icon-add:before{content:"\F002"}.van-icon-after-sale:before{content:"\F003"}.van-icon-aim:before{content:"\F004"}.van-icon-alipay:before{content:"\F005"}.van-icon-apps-o:before{content:"\F006"}.van-icon-arrow-down:before{content:"\F007"}.van-icon-arrow-left:before{content:"\F008"}.van-icon-arrow-up:before{content:"\F009"}.van-icon-arrow:before{content:"\F00A"}.van-icon-ascending:before{content:"\F00B"}.van-icon-audio:before{content:"\F00C"}.van-icon-award-o:before{content:"\F00D"}.van-icon-award:before{content:"\F00E"}.van-icon-bag-o:before{content:"\F00F"}.van-icon-bag:before{content:"\F010"}.van-icon-balance-list-o:before{content:"\F011"}.van-icon-balance-list:before{content:"\F012"}.van-icon-balance-o:before{content:"\F013"}.van-icon-balance-pay:before{content:"\F014"}.van-icon-bar-chart-o:before{content:"\F015"}.van-icon-bars:before{content:"\F016"}.van-icon-bell:before{content:"\F017"}.van-icon-bill-o:before{content:"\F018"}.van-icon-bill:before{content:"\F019"}.van-icon-birthday-cake-o:before{content:"\F01A"}.van-icon-bookmark-o:before{content:"\F01B"}.van-icon-bookmark:before{content:"\F01C"}.van-icon-browsing-history-o:before{content:"\F01D"}.van-icon-browsing-history:before{content:"\F01E"}.van-icon-brush-o:before{content:"\F01F"}.van-icon-bulb-o:before{content:"\F020"}.van-icon-bullhorn-o:before{content:"\F021"}.van-icon-calender-o:before{content:"\F022"}.van-icon-card:before{content:"\F023"}.van-icon-cart-circle-o:before{content:"\F024"}.van-icon-cart-circle:before{content:"\F025"}.van-icon-cart-o:before{content:"\F026"}.van-icon-cart:before{content:"\F027"}.van-icon-cash-back-record:before{content:"\F028"}.van-icon-cash-on-deliver:before{content:"\F029"}.van-icon-cashier-o:before{content:"\F02A"}.van-icon-certificate:before{content:"\F02B"}.van-icon-chart-trending-o:before{content:"\F02C"}.van-icon-chat-o:before{content:"\F02D"}.van-icon-chat:before{content:"\F02E"}.van-icon-checked:before{content:"\F02F"}.van-icon-circle:before{content:"\F030"}.van-icon-clear:before{content:"\F031"}.van-icon-clock-o:before{content:"\F032"}.van-icon-clock:before{content:"\F033"}.van-icon-close:before{content:"\F034"}.van-icon-closed-eye:before{content:"\F035"}.van-icon-cluster-o:before{content:"\F036"}.van-icon-cluster:before{content:"\F037"}.van-icon-column:before{content:"\F038"}.van-icon-comment-circle-o:before{content:"\F039"}.van-icon-comment-o:before{content:"\F03A"}.van-icon-comment:before{content:"\F03B"}.van-icon-completed:before{content:"\F03C"}.van-icon-contact:before{content:"\F03D"}.van-icon-coupon-o:before{content:"\F03E"}.van-icon-coupon:before{content:"\F03F"}.van-icon-credit-pay:before{content:"\F040"}.van-icon-cross:before{content:"\F041"}.van-icon-debit-pay:before{content:"\F042"}.van-icon-delete:before{content:"\F043"}.van-icon-descending:before{content:"\F044"}.van-icon-description:before{content:"\F045"}.van-icon-desktop-o:before{content:"\F046"}.van-icon-diamond-o:before{content:"\F047"}.van-icon-diamond:before{content:"\F048"}.van-icon-discount:before{content:"\F049"}.van-icon-ecard-pay:before{content:"\F04A"}.van-icon-edit:before{content:"\F04B"}.van-icon-ellipsis:before{content:"\F04C"}.van-icon-empty:before{content:"\F04D"}.van-icon-envelop-o:before{content:"\F04E"}.van-icon-exchange:before{content:"\F04F"}.van-icon-expand-o:before{content:"\F050"}.van-icon-expand:before{content:"\F051"}.van-icon-eye-o:before{content:"\F052"}.van-icon-eye:before{content:"\F053"}.van-icon-fail:before{content:"\F054"}.van-icon-failure:before{content:"\F055"}.van-icon-filter-o:before{content:"\F056"}.van-icon-fire-o:before{content:"\F057"}.van-icon-fire:before{content:"\F058"}.van-icon-flag-o:before{content:"\F059"}.van-icon-flower-o:before{content:"\F05A"}.van-icon-free-postage:before{content:"\F05B"}.van-icon-friends-o:before{content:"\F05C"}.van-icon-friends:before{content:"\F05D"}.van-icon-gem-o:before{content:"\F05E"}.van-icon-gem:before{content:"\F05F"}.van-icon-gift-card-o:before{content:"\F060"}.van-icon-gift-card:before{content:"\F061"}.van-icon-gift-o:before{content:"\F062"}.van-icon-gift:before{content:"\F063"}.van-icon-gold-coin-o:before{content:"\F064"}.van-icon-gold-coin:before{content:"\F065"}.van-icon-goods-collect-o:before{content:"\F066"}.van-icon-goods-collect:before{content:"\F067"}.van-icon-graphic:before{content:"\F068"}.van-icon-home-o:before{content:"\F069"}.van-icon-hot-o:before{content:"\F06A"}.van-icon-hot-sale-o:before{content:"\F06B"}.van-icon-hot-sale:before{content:"\F06C"}.van-icon-hot:before{content:"\F06D"}.van-icon-hotel-o:before{content:"\F06E"}.van-icon-idcard:before{content:"\F06F"}.van-icon-info-o:before{content:"\F070"}.van-icon-info:before{content:"\F071"}.van-icon-invition:before{content:"\F072"}.van-icon-label-o:before{content:"\F073"}.van-icon-label:before{content:"\F074"}.van-icon-like-o:before{content:"\F075"}.van-icon-like:before{content:"\F076"}.van-icon-live:before{content:"\F077"}.van-icon-location-o:before{content:"\F078"}.van-icon-location:before{content:"\F079"}.van-icon-lock:before{content:"\F07A"}.van-icon-logistics:before{content:"\F07B"}.van-icon-manager-o:before{content:"\F07C"}.van-icon-manager:before{content:"\F07D"}.van-icon-map-marked:before{content:"\F07E"}.van-icon-medel-o:before{content:"\F07F"}.van-icon-medel:before{content:"\F080"}.van-icon-more-o:before{content:"\F081"}.van-icon-more:before{content:"\F082"}.van-icon-music-o:before{content:"\F083"}.van-icon-new-arrival-o:before{content:"\F084"}.van-icon-new-arrival:before{content:"\F085"}.van-icon-new-o:before{content:"\F086"}.van-icon-new:before{content:"\F087"}.van-icon-newspaper-o:before{content:"\F088"}.van-icon-notes-o:before{content:"\F089"}.van-icon-orders-o:before{content:"\F08A"}.van-icon-other-pay:before{content:"\F08B"}.van-icon-paid:before{content:"\F08C"}.van-icon-passed:before{content:"\F08D"}.van-icon-pause-circle-o:before{content:"\F08E"}.van-icon-pause-circle:before{content:"\F08F"}.van-icon-pause:before{content:"\F090"}.van-icon-peer-pay:before{content:"\F091"}.van-icon-pending-payment:before{content:"\F092"}.van-icon-phone-circle-o:before{content:"\F093"}.van-icon-phone-o:before{content:"\F094"}.van-icon-phone:before{content:"\F095"}.van-icon-photo-o:before{content:"\F096"}.van-icon-photo:before{content:"\F097"}.van-icon-photograph:before{content:"\F098"}.van-icon-play-circle-o:before{content:"\F099"}.van-icon-play-circle:before{content:"\F09A"}.van-icon-play:before{content:"\F09B"}.van-icon-plus:before{content:"\F09C"}.van-icon-point-gift-o:before{content:"\F09D"}.van-icon-point-gift:before{content:"\F09E"}.van-icon-points:before{content:"\F09F"}.van-icon-printer:before{content:"\F0A0"}.van-icon-qr-invalid:before{content:"\F0A1"}.van-icon-qr:before{content:"\F0A2"}.van-icon-question-o:before{content:"\F0A3"}.van-icon-question:before{content:"\F0A4"}.van-icon-records:before{content:"\F0A5"}.van-icon-refund-o:before{content:"\F0A6"}.van-icon-replay:before{content:"\F0A7"}.van-icon-scan:before{content:"\F0A8"}.van-icon-search:before{content:"\F0A9"}.van-icon-send-gift-o:before{content:"\F0AA"}.van-icon-send-gift:before{content:"\F0AB"}.van-icon-service-o:before{content:"\F0AC"}.van-icon-service:before{content:"\F0AD"}.van-icon-setting-o:before{content:"\F0AE"}.van-icon-setting:before{content:"\F0AF"}.van-icon-share:before{content:"\F0B0"}.van-icon-shop-collect-o:before{content:"\F0B1"}.van-icon-shop-collect:before{content:"\F0B2"}.van-icon-shop-o:before{content:"\F0B3"}.van-icon-shop:before{content:"\F0B4"}.van-icon-shopping-cart-o:before{content:"\F0B5"}.van-icon-shopping-cart:before{content:"\F0B6"}.van-icon-shrink:before{content:"\F0B7"}.van-icon-sign:before{content:"\F0B8"}.van-icon-smile-comment-o:before{content:"\F0B9"}.van-icon-smile-comment:before{content:"\F0BA"}.van-icon-smile-o:before{content:"\F0BB"}.van-icon-star-o:before{content:"\F0BC"}.van-icon-star:before{content:"\F0BD"}.van-icon-stop-circle-o:before{content:"\F0BE"}.van-icon-stop-circle:before{content:"\F0BF"}.van-icon-stop:before{content:"\F0C0"}.van-icon-success:before{content:"\F0C1"}.van-icon-thumb-circle-o:before{content:"\F0C2"}.van-icon-todo-list-o:before{content:"\F0C3"}.van-icon-todo-list:before{content:"\F0C4"}.van-icon-tosend:before{content:"\F0C5"}.van-icon-tv-o:before{content:"\F0C6"}.van-icon-umbrella-circle:before{content:"\F0C7"}.van-icon-underway-o:before{content:"\F0C8"}.van-icon-underway:before{content:"\F0C9"}.van-icon-upgrade:before{content:"\F0CA"}.van-icon-user-circle-o:before{content:"\F0CB"}.van-icon-user-o:before{content:"\F0CC"}.van-icon-video-o:before{content:"\F0CD"}.van-icon-video:before{content:"\F0CE"}.van-icon-vip-card-o:before{content:"\F0CF"}.van-icon-vip-card:before{content:"\F0D0"}.van-icon-volume-o:before{content:"\F0D1"}.van-icon-volume:before{content:"\F0D2"}.van-icon-wap-home:before{content:"\F0D3"}.van-icon-wap-nav:before{content:"\F0D4"}.van-icon-warn-o:before{content:"\F0D5"}.van-icon-warning-o:before{content:"\F0D6"}.van-icon-weapp-nav:before{content:"\F0D7"}.van-icon-wechat:before{content:"\F0D8"}.van-icon-youzan-shield:before{content:"\F0D9"}.van-icon--image{width:1em;height:1em}.van-icon--image image{top:0;left:0;right:0;bottom:0;margin:auto;max-width:100%;max-height:100%;position:absolute}
\ No newline at end of file
diff --git a/dist/mixins/button.js b/dist/mixins/button.js
index 676f4d93..52258486 100644
--- a/dist/mixins/button.js
+++ b/dist/mixins/button.js
@@ -1,15 +1,17 @@
 export var button = Behavior({
+  externalClasses: ['hover-class'],
   properties: {
     id: String,
-    sessionFrom: String,
-    appParameter: String,
-    sendMessageImg: String,
-    sendMessagePath: String,
-    showMessageCard: String,
-    sendMessageTitle: String,
     lang: {
       type: String,
       value: 'en'
-    }
+    },
+    sessionFrom: String,
+    sendMessageTitle: String,
+    sendMessagePath: String,
+    sendMessageImg: String,
+    showMessageCard: String,
+    appParameter: String,
+    ariaLabel: String
   }
 });
\ No newline at end of file
diff --git a/dist/mixins/open-type.js b/dist/mixins/open-type.js
index 98f09bb9..df6b372f 100644
--- a/dist/mixins/open-type.js
+++ b/dist/mixins/open-type.js
@@ -12,11 +12,14 @@ export var openType = Behavior({
     bindGetPhoneNumber: function bindGetPhoneNumber(event) {
       this.$emit('getphonenumber', event.detail);
     },
-    bindOpenSetting: function bindOpenSetting(event) {
-      this.$emit('opensetting', event.detail);
-    },
     bindError: function bindError(event) {
       this.$emit('error', event.detail);
+    },
+    bindLaunchApp: function bindLaunchApp(event) {
+      this.$emit('launchapp', event.detail);
+    },
+    bindOpenSetting: function bindOpenSetting(event) {
+      this.$emit('opensetting', event.detail);
     }
   }
 });
\ No newline at end of file
diff --git a/dist/nav-bar/index.wxml b/dist/nav-bar/index.wxml
index 856fa971..e1b4fc53 100644
--- a/dist/nav-bar/index.wxml
+++ b/dist/nav-bar/index.wxml
@@ -10,7 +10,12 @@
         name="arrow-left"
         custom-class="van-nav-bar__arrow"
       />
-      <view wx:if="{{ leftText }}" class="van-nav-bar__text">{{ leftText }}</view>
+      <view
+        wx:if="{{ leftText }}"
+        class="van-nav-bar__text"
+        hover-class="van-nav-bar__text--hover"
+        hover-stay-time="70"
+      >{{ leftText }}</view>
     </block>
     <slot wx:else name="left" />
   </view>
@@ -19,7 +24,12 @@
     <slot wx:else name="title" />
   </view>
   <view class="van-nav-bar__right" bind:tap="onClickRight">
-    <view wx:if="{{ rightText }}" class="van-nav-bar__text">{{ rightText }}</view>
+    <view
+      wx:if="{{ rightText }}"
+      class="van-nav-bar__text"
+      hover-class="van-nav-bar__text--hover"
+      hover-stay-time="70"
+    >{{ rightText }}</view>
     <slot wx:else name="right" />
   </view>
 </view>
diff --git a/dist/nav-bar/index.wxss b/dist/nav-bar/index.wxss
index 16e135b6..51d090eb 100644
--- a/dist/nav-bar/index.wxss
+++ b/dist/nav-bar/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-nav-bar{height:46px;position:relative;-webkit-user-select:none;user-select:none;text-align:center;line-height:46px;background-color:#fff}.van-nav-bar__arrow{color:#1989fa;vertical-align:middle}.van-nav-bar__arrow+.van-nav-bar__text{margin-left:-20px;padding-left:25px}.van-nav-bar--fixed{top:0;left:0;width:100%;position:fixed}.van-nav-bar__title{margin:0 auto;max-width:60%;font-size:16px;font-weight:500}.van-nav-bar__left,.van-nav-bar__right{bottom:0;font-size:14px;position:absolute}.van-nav-bar__left{left:15px}.van-nav-bar__right{right:15px}.van-nav-bar__text{color:#1989fa;margin:0 -15px;padding:0 15px;display:inline-block;vertical-align:middle}.van-nav-bar__text:active{background-color:#e8e8e8}
\ No newline at end of file
+@import '../common/index.wxss';.van-nav-bar{position:relative;height:46px;line-height:46px;text-align:center;background-color:#fff;-webkit-user-select:none;user-select:none}.van-nav-bar__text{display:inline-block;padding:0 15px;margin:0 -15px;color:#1989fa;vertical-align:middle}.van-nav-bar__text--hover{background-color:#e8e8e8}.van-nav-bar__arrow{color:#1989fa;vertical-align:middle}.van-nav-bar__arrow+.van-nav-bar__text{padding-left:25px;margin-left:-20px}.van-nav-bar--fixed{position:fixed;top:0;left:0;width:100%}.van-nav-bar__title{max-width:60%;margin:0 auto;font-size:16px;font-weight:500}.van-nav-bar__left,.van-nav-bar__right{position:absolute;bottom:0;font-size:14px}.van-nav-bar__left{left:15px}.van-nav-bar__right{right:15px}
\ No newline at end of file
diff --git a/dist/notice-bar/index.js b/dist/notice-bar/index.js
index fd35c5bd..0cc3ae8c 100644
--- a/dist/notice-bar/index.js
+++ b/dist/notice-bar/index.js
@@ -46,13 +46,7 @@ VantComponent({
   },
   data: {
     show: true,
-    hasRightIcon: false,
-    width: undefined,
-    wrapWidth: undefined,
-    elapse: undefined,
-    animation: null,
-    resetAnimation: null,
-    timer: null
+    hasRightIcon: false
   },
   watch: {
     text: function text() {
@@ -65,92 +59,69 @@ VantComponent({
         hasRightIcon: true
       });
     }
+
+    this.resetAnimation = wx.createAnimation({
+      duration: 0,
+      timingFunction: 'linear'
+    });
   },
   destroyed: function destroyed() {
-    var timer = this.data.timer;
-    timer && clearTimeout(timer);
+    this.timer && clearTimeout(this.timer);
   },
   methods: {
     init: function init() {
       var _this = this;
 
-      this.getRect('.van-notice-bar__content').then(function (rect) {
-        if (!rect || !rect.width) {
+      Promise.all([this.getRect('.van-notice-bar__content'), this.getRect('.van-notice-bar__content-wrap')]).then(function (rects) {
+        var contentRect = rects[0],
+            wrapRect = rects[1];
+
+        if (contentRect == null || wrapRect == null || !contentRect.width || !wrapRect.width) {
           return;
         }
 
-        _this.set({
-          width: rect.width
-        });
+        var _this$data = _this.data,
+            speed = _this$data.speed,
+            scrollable = _this$data.scrollable,
+            delay = _this$data.delay;
 
-        _this.getRect('.van-notice-bar__content-wrap').then(function (rect) {
-          if (!rect || !rect.width) {
-            return;
-          }
+        if (scrollable && wrapRect.width < contentRect.width) {
+          var duration = contentRect.width / speed * 1000;
+          _this.wrapWidth = wrapRect.width;
+          _this.contentWidth = contentRect.width;
+          _this.duration = duration;
+          _this.animation = wx.createAnimation({
+            duration: duration,
+            timingFunction: 'linear',
+            delay: delay
+          });
 
-          var wrapWidth = rect.width;
-          var _this$data = _this.data,
-              width = _this$data.width,
-              speed = _this$data.speed,
-              scrollable = _this$data.scrollable,
-              delay = _this$data.delay;
-
-          if (scrollable && wrapWidth < width) {
-            var elapse = width / speed * 1000;
-            var animation = wx.createAnimation({
-              duration: elapse,
-              timeingFunction: 'linear',
-              delay: delay
-            });
-            var resetAnimation = wx.createAnimation({
-              duration: 0,
-              timeingFunction: 'linear'
-            });
-
-            _this.set({
-              elapse: elapse,
-              wrapWidth: wrapWidth,
-              animation: animation,
-              resetAnimation: resetAnimation
-            }, function () {
-              _this.scroll();
-            });
-          }
-        });
+          _this.scroll();
+        }
       });
     },
     scroll: function scroll() {
       var _this2 = this;
 
-      var _this$data2 = this.data,
-          animation = _this$data2.animation,
-          resetAnimation = _this$data2.resetAnimation,
-          wrapWidth = _this$data2.wrapWidth,
-          elapse = _this$data2.elapse,
-          speed = _this$data2.speed;
-      resetAnimation.translateX(wrapWidth).step();
-      var animationData = animation.translateX(-(elapse * speed) / 1000).step();
+      this.timer && clearTimeout(this.timer);
+      this.timer = null;
       this.set({
-        animationData: resetAnimation.export()
+        animationData: this.resetAnimation.translateX(this.wrapWidth).step().export()
       });
       setTimeout(function () {
         _this2.set({
-          animationData: animationData.export()
+          animationData: _this2.animation.translateX(-_this2.contentWidth).step().export()
         });
-      }, 100);
-      var timer = setTimeout(function () {
+      }, 20);
+      this.timer = setTimeout(function () {
         _this2.scroll();
-      }, elapse);
-      this.set({
-        timer: timer
-      });
+      }, this.duration);
     },
     onClickIcon: function onClickIcon() {
-      var timer = this.data.timer;
-      timer && clearTimeout(timer);
+      this.timer && clearTimeout(this.timer);
+      this.timer = null;
       this.set({
-        show: false,
-        timer: null
+        show: false
       });
     },
     onClick: function onClick(event) {
diff --git a/dist/notice-bar/index.wxml b/dist/notice-bar/index.wxml
index 67428222..d391ad95 100644
--- a/dist/notice-bar/index.wxml
+++ b/dist/notice-bar/index.wxml
@@ -1,7 +1,7 @@
 <view
   wx:if="{{ show }}"
   class="custom-class van-notice-bar {{ hasRightIcon ? 'van-notice-bar--within-icon' : '' }}"
-  style="color: {{ color }};background-color: {{ backgroundColor }}"
+  style="color: {{ color }}; background-color: {{ backgroundColor }};"
   bind:tap="onClick"
 >
   <view wx:if="{{ leftIcon }}" class="van-notice-bar__left-icon">
@@ -13,19 +13,17 @@
     </view>
   </view>
 
-  <block wx:if="{{ mode }}">
-    <van-icon
-      wx:if="{{ mode === 'closeable' }}"
-      class="van-notice-bar__right-icon"
-      name="cross"
-      bind:tap="onClickIcon"
-    />
-    <navigator
-      wx:if="{{ mode === 'link' }}"
-      url="{{ url }}"
-      open-type="{{ openType }}"
-    >
-      <van-icon class="van-notice-bar__right-icon" name="arrow" />
-    </navigator>
-  </block>
+  <van-icon
+    wx:if="{{ mode === 'closeable' }}"
+    class="van-notice-bar__right-icon"
+    name="cross"
+    bind:tap="onClickIcon"
+  />
+  <navigator
+    wx:if="{{ mode === 'link' }}"
+    url="{{ url }}"
+    open-type="{{ openType }}"
+  >
+    <van-icon class="van-notice-bar__right-icon" name="arrow" />
+  </navigator>
 </view>
diff --git a/dist/notice-bar/index.wxss b/dist/notice-bar/index.wxss
index 5429212a..f6a39609 100644
--- a/dist/notice-bar/index.wxss
+++ b/dist/notice-bar/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-notice-bar{display:-webkit-flex;display:flex;height:40px;padding:0 15px;font-size:14px;line-height:24px;-webkit-align-items:center;align-items:center}.van-notice-bar--within-icon{position:relative;padding-right:40px}.van-notice-bar__left-icon{height:18px;min-width:20px;box-sizing:border-box}.van-notice-bar__left-icon>image{width:16px;height:16px}.van-notice-bar__right-icon{position:absolute;top:10px;right:15px;font-size:16px}.van-notice-bar__content-wrap{-webkit-flex:1;flex:1;height:24px;overflow:hidden;position:relative}.van-notice-bar__content{position:absolute;white-space:nowrap}.van-notice-bar__content.van-ellipsis{max-width:100%}
\ No newline at end of file
+@import '../common/index.wxss';.van-notice-bar{display:-webkit-flex;display:flex;height:40px;padding:0 15px;font-size:14px;line-height:24px;-webkit-align-items:center;align-items:center}.van-notice-bar--within-icon{position:relative;padding-right:40px}.van-notice-bar__left-icon{height:18px;min-width:20px;box-sizing:border-box}.van-notice-bar__left-icon>image{width:16px;height:16px}.van-notice-bar__right-icon{position:absolute;top:10px;right:15px;font-size:16px}.van-notice-bar__content-wrap{position:relative;height:24px;overflow:hidden;-webkit-flex:1;flex:1}.van-notice-bar__content{position:absolute;white-space:nowrap}.van-notice-bar__content.van-ellipsis{max-width:100%}
\ No newline at end of file
diff --git a/dist/picker-column/index.js b/dist/picker-column/index.js
index 87a3e122..8796c26b 100644
--- a/dist/picker-column/index.js
+++ b/dist/picker-column/index.js
@@ -25,7 +25,7 @@ VantComponent({
     options: [],
     currentIndex: 0
   },
-  created: function created() {
+  beforeCreate: function beforeCreate() {
     var _this = this;
 
     var _this$data = this.data,
@@ -34,7 +34,7 @@ VantComponent({
     this.set({
       currentIndex: defaultIndex,
       options: initialOptions
-    }, function () {
+    }).then(function () {
       _this.setIndex(defaultIndex);
     });
   },
diff --git a/dist/picker/index.wxml b/dist/picker/index.wxml
index bad2361f..5bc4b9c8 100644
--- a/dist/picker/index.wxml
+++ b/dist/picker/index.wxml
@@ -3,11 +3,23 @@
     wx:if="{{ showToolbar }}"
     class="van-picker__toolbar van-hairline--top-bottom toolbar-class"
   >
-    <view class="van-picker__cancel" data-type="cancel" bindtap="emit">
+    <view
+      class="van-picker__cancel"
+      hover-class="van-picker__cancel--hover"
+      hover-stay-time="70"
+      data-type="cancel"
+      bindtap="emit"
+    >
       {{ cancelButtonText || '取消' }}
     </view>
     <view wx:if="{{ title }}" class="van-picker__title van-ellipsis">{{ title }}</view>
-    <view class="van-picker__confirm" data-type="confirm" bindtap="emit">
+    <view
+      class="van-picker__confirm"
+      hover-class="van-picker__confirm--hover"
+      hover-stay-time="70"
+      data-type="confirm"
+      bindtap="emit"
+    >
       {{ confirmButtonText || '确认' }}
     </view>
   </view>
diff --git a/dist/picker/index.wxss b/dist/picker/index.wxss
index d253698b..22c454bd 100644
--- a/dist/picker/index.wxss
+++ b/dist/picker/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-picker{position:relative;overflow:hidden;-webkit-text-size-adjust:100%;background-color:#fff;-webkit-user-select:none;user-select:none}.van-picker__toolbar{display:-webkit-flex;display:flex;height:44px;line-height:44px;-webkit-justify-content:space-between;justify-content:space-between}.van-picker__cancel,.van-picker__confirm{padding:0 15px;font-size:14px;color:#1989fa}.van-picker__cancel:active,.van-picker__confirm:active{background-color:#e8e8e8}.van-picker__title{max-width:50%;font-size:16px;font-weight:500;text-align:center}.van-picker__columns{position:relative;display:-webkit-flex;display:flex}.van-picker__column{-webkit-flex:1 1;flex:1 1;width:0}.van-picker__loading{position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;display:-webkit-flex;display:flex;background-color:rgba(255,255,255,.9);-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center}.van-picker__frame,.van-picker__loading .van-loading{position:absolute;top:50%;left:0;z-index:1;width:100%;pointer-events:none;-webkit-transform:translateY(-50%);transform:translateY(-50%)}
\ No newline at end of file
+@import '../common/index.wxss';.van-picker{position:relative;overflow:hidden;-webkit-text-size-adjust:100%;background-color:#fff;-webkit-user-select:none;user-select:none}.van-picker__toolbar{display:-webkit-flex;display:flex;height:44px;line-height:44px;-webkit-justify-content:space-between;justify-content:space-between}.van-picker__cancel,.van-picker__confirm{padding:0 15px;font-size:14px;color:#1989fa}.van-picker__cancel--hover,.van-picker__confirm--hover{background-color:#e8e8e8}.van-picker__title{max-width:50%;font-size:16px;font-weight:500;text-align:center}.van-picker__columns{position:relative;display:-webkit-flex;display:flex}.van-picker__column{-webkit-flex:1 1;flex:1 1;width:0}.van-picker__loading{position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;display:-webkit-flex;display:flex;background-color:rgba(255,255,255,.9);-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center}.van-picker__frame,.van-picker__loading .van-loading{position:absolute;top:50%;left:0;z-index:1;width:100%;pointer-events:none;-webkit-transform:translateY(-50%);transform:translateY(-50%)}
\ No newline at end of file
diff --git a/dist/search/index.wxml b/dist/search/index.wxml
index a50d0bb1..fe64ff97 100644
--- a/dist/search/index.wxml
+++ b/dist/search/index.wxml
@@ -26,7 +26,12 @@
     bind:confirm="onSearch"
     bind:clear="onClear"
   />
-  <view wx:if="{{ showAction || useActionSlot }}" class="van-search__action">
+  <view
+    wx:if="{{ showAction || useActionSlot }}"
+    class="van-search__action"
+    hover-class="van-search__action--hover"
+    hover-stay-time="70"
+  >
     <slot wx:if="{{ useActionSlot }}" name="action" />
     <view wx:else bind:tap="onCancel" class="cancel-class">取消</view>
   </view>
diff --git a/dist/search/index.wxss b/dist/search/index.wxss
index 9ec3ed1b..8e329229 100644
--- a/dist/search/index.wxss
+++ b/dist/search/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-search{display:-webkit-flex;display:flex;padding:7px 15px;-webkit-align-items:center;align-items:center;box-sizing:border-box}.van-search__field{overflow:hidden;border-radius:4px;-webkit-flex:1;flex:1}.van-search__field__left-icon{color:#999}.van-search--show-action{padding-right:0}.van-search input::-webkit-search-cancel-button,.van-search input::-webkit-search-decoration,.van-search input::-webkit-search-results-button,.van-search input::-webkit-search-results-decoration{display:none}.van-search__action{padding:0 10px;font-size:14px;line-height:30px;color:#7d7e80}.van-search__action:active{background-color:#e8e8e8}
\ No newline at end of file
+@import '../common/index.wxss';.van-search{display:-webkit-flex;display:flex;padding:7px 15px;-webkit-align-items:center;align-items:center;box-sizing:border-box}.van-search__field{overflow:hidden;border-radius:4px;-webkit-flex:1;flex:1}.van-search__field__left-icon{color:#999}.van-search--show-action{padding-right:0}.van-search input::-webkit-search-cancel-button,.van-search input::-webkit-search-decoration,.van-search input::-webkit-search-results-button,.van-search input::-webkit-search-results-decoration{display:none}.van-search__action{padding:0 10px;font-size:14px;line-height:30px;color:#7d7e80}.van-search__action--hover{background-color:#e8e8e8}
\ No newline at end of file
diff --git a/dist/stepper/index.wxml b/dist/stepper/index.wxml
index b31068f4..a98f9e25 100644
--- a/dist/stepper/index.wxml
+++ b/dist/stepper/index.wxml
@@ -1,6 +1,8 @@
 <view class="van-stepper custom-class">
   <view
     class="minus-class van-stepper__minus {{ minusDisabled ? 'van-stepper__minus--disabled' : '' }}"
+    hover-class="van-stepper__minus--hover"
+    hover-stay-time="70"
     bind:tap="onMinus"
   />
   <view class="input-class van-stepper__input-wrapper {{ disabled || disableInput ? 'van-stepper__input-wrapper--disabled' : '' }}" bindtap="onFocus">
@@ -16,6 +18,8 @@
   </view>
   <view
     class="plus-class van-stepper__plus {{ plusDisabled ? 'van-stepper__plus--disabled' : '' }}"
+    hover-class="van-stepper__plus--hover"
+    hover-stay-time="70"
     bind:tap="onPlus"
   />
 </view>
diff --git a/dist/stepper/index.wxss b/dist/stepper/index.wxss
index 167b3f41..137d2053 100644
--- a/dist/stepper/index.wxss
+++ b/dist/stepper/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-stepper{font-size:0}.van-stepper__input-wrapper,.van-stepper__minus,.van-stepper__plus{display:inline-block;vertical-align:middle;background-color:#fff}.van-stepper__minus,.van-stepper__plus{position:relative;width:40px;height:30px;padding:5px;border:1px solid #eee;box-sizing:border-box}.van-stepper__minus::before,.van-stepper__plus::before{width:9px;height:1px}.van-stepper__minus::after,.van-stepper__plus::after{width:1px;height:9px}.van-stepper__minus::after,.van-stepper__minus::before,.van-stepper__plus::after,.van-stepper__plus::before{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;background-color:#7d7e80;content:''}.van-stepper__minus:active,.van-stepper__plus:active{background-color:#e8e8e8}.van-stepper__minus--disabled,.van-stepper__plus--disabled{background-color:#f8f8f8}.van-stepper__minus--disabled::after,.van-stepper__minus--disabled::before,.van-stepper__plus--disabled::after,.van-stepper__plus--disabled::before{background-color:#c9c9c9}.van-stepper__minus--disabled:active,.van-stepper__plus--disabled:active{background-color:#f8f8f8}.van-stepper__minus{border-radius:2px 0 0 2px}.van-stepper__minus::after{display:none}.van-stepper__plus{border-radius:0 2px 2px 0}.van-stepper__input-wrapper{position:relative;width:35px;height:30px;padding:1px;font-size:14px;color:#7d7e80;text-align:center;border:1px solid #eee;border-width:1px 0;border-radius:0;box-sizing:border-box}.van-stepper__input-wrapper--disabled{color:#c9c9c9;background-color:#f8f8f8}.van-stepper__input{position:absolute;top:50%;left:50%;width:100%;min-height:0;-webkit-transform:translate3d(-50%,-50%,0);transform:translate3d(-50%,-50%,0);-webkit-appearance:none;appearance:none}
\ No newline at end of file
+@import '../common/index.wxss';.van-stepper{font-size:0}.van-stepper__input-wrapper,.van-stepper__minus,.van-stepper__plus{display:inline-block;vertical-align:middle;background-color:#fff}.van-stepper__minus{border-radius:2px 0 0 2px}.van-stepper__minus::after{display:none}.van-stepper__plus{border-radius:0 2px 2px 0}.van-stepper__minus,.van-stepper__plus{position:relative;width:40px;height:30px;padding:5px;border:1px solid #eee;box-sizing:border-box}.van-stepper__minus::before,.van-stepper__plus::before{width:9px;height:1px}.van-stepper__minus::after,.van-stepper__plus::after{width:1px;height:9px}.van-stepper__minus::after,.van-stepper__minus::before,.van-stepper__plus::after,.van-stepper__plus::before{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;background-color:#7d7e80;content:''}.van-stepper__minus--hover,.van-stepper__plus--hover{background-color:#e8e8e8}.van-stepper__minus--disabled,.van-stepper__plus--disabled{background-color:#f8f8f8}.van-stepper__minus--disabled::after,.van-stepper__minus--disabled::before,.van-stepper__plus--disabled::after,.van-stepper__plus--disabled::before{background-color:#c9c9c9}.van-stepper__minus--disabled.van-stepper__minus--hover,.van-stepper__minus--disabled.van-stepper__plus--hover,.van-stepper__plus--disabled.van-stepper__minus--hover,.van-stepper__plus--disabled.van-stepper__plus--hover{background-color:#f8f8f8}.van-stepper__input-wrapper{position:relative;width:35px;height:30px;padding:1px;font-size:14px;color:#7d7e80;text-align:center;border:1px solid #eee;border-width:1px 0;border-radius:0;box-sizing:border-box}.van-stepper__input-wrapper--disabled{color:#c9c9c9;background-color:#f8f8f8}.van-stepper__input{position:absolute;top:50%;left:50%;width:100%;min-height:0;-webkit-transform:translate3d(-50%,-50%,0);transform:translate3d(-50%,-50%,0);-webkit-appearance:none;appearance:none}
\ No newline at end of file
diff --git a/dist/tree-select/index.js b/dist/tree-select/index.js
index 5840e5e3..16853cd0 100644
--- a/dist/tree-select/index.js
+++ b/dist/tree-select/index.js
@@ -23,11 +23,14 @@ VantComponent({
   },
   watch: {
     items: function items() {
-      this.updateSubItems();
-      this.updateMainHeight();
+      var _this = this;
+
+      this.updateSubItems().then(function () {
+        _this.updateMainHeight();
+      });
     },
     maxHeight: function maxHeight() {
-      this.updateItemHeight();
+      this.updateItemHeight(this.data.subItems);
       this.updateMainHeight();
     },
     mainActiveIndex: 'updateSubItems'
@@ -54,23 +57,36 @@ VantComponent({
     },
     // 更新子项列表
     updateSubItems: function updateSubItems() {
-      var selectedItem = this.data.items[this.data.mainActiveIndex] || {};
-      this.set({
-        subItems: selectedItem.children || []
+      var _this$data = this.data,
+          items = _this$data.items,
+          mainActiveIndex = _this$data.mainActiveIndex;
+
+      var _ref = items[mainActiveIndex] || {},
+          _ref$children = _ref.children,
+          children = _ref$children === void 0 ? [] : _ref$children;
+
+      this.updateItemHeight(children);
+      return this.set({
+        subItems: children
       });
-      this.updateItemHeight();
     },
     // 更新组件整体高度，根据最大高度和当前组件需要展示的高度来决定
     updateMainHeight: function updateMainHeight() {
-      var maxHeight = Math.max(this.data.items.length * ITEM_HEIGHT, this.data.subItems.length * ITEM_HEIGHT);
+      var _this$data2 = this.data,
+          _this$data2$items = _this$data2.items,
+          items = _this$data2$items === void 0 ? [] : _this$data2$items,
+          _this$data2$subItems = _this$data2.subItems,
+          subItems = _this$data2$subItems === void 0 ? [] : _this$data2$subItems;
+      var maxHeight = Math.max(items.length * ITEM_HEIGHT, subItems.length * ITEM_HEIGHT);
       this.set({
         mainHeight: Math.min(maxHeight, this.data.maxHeight)
       });
     },
     // 更新子项列表高度，根据可展示的最大高度和当前子项列表的高度决定
-    updateItemHeight: function updateItemHeight() {
-      this.set({
-        itemHeight: Math.min(this.data.subItems.length * ITEM_HEIGHT, this.data.maxHeight)
+    updateItemHeight: function updateItemHeight(subItems) {
+      var itemHeight = Math.min(subItems.length * ITEM_HEIGHT, this.data.maxHeight);
+      return this.set({
+        itemHeight: itemHeight
       });
     }
   }
diff --git a/dist/tree-select/index.wxml b/dist/tree-select/index.wxml
index 124d5d6a..e1f25b50 100644
--- a/dist/tree-select/index.wxml
+++ b/dist/tree-select/index.wxml
@@ -22,7 +22,7 @@
   >
     <view
       wx:for="{{ subItems }}"
-      wx:key="item.id"
+      wx:key="id"
       class="van-ellipsis van-hairline--bottom content-item-class {{ utils.bem('tree-select__item', { active: activeId === item.id, disabled: item.disabled }) }} {{ activeId === item.id ? 'content-active-class' : '' }} {{ item.disabled ? 'content-disabled-class' : '' }}"
       data-item="{{ item }}"
       bind:tap="onSelectItem"
diff --git a/dist/tree-select/index.wxss b/dist/tree-select/index.wxss
index cc2874e1..ef39e9a8 100644
--- a/dist/tree-select/index.wxss
+++ b/dist/tree-select/index.wxss
@@ -1 +1 @@
-@import '../common/index.wxss';.van-tree-select{position:relative;font-size:14px;-webkit-user-select:none;user-select:none}.van-tree-select__nav{position:absolute;top:0;bottom:0;left:0;width:35%;min-width:120px;background-color:#fafafa}.van-tree-select__nitem{position:relative;padding:0 9px 0 15px;line-height:44px}.van-tree-select__nitem--active::after{position:absolute;top:0;bottom:0;left:0;width:3.6px;background-color:#f44;content:''}.van-tree-select__nitem--active{font-weight:700;background-color:#fff}.van-tree-select__nitem--disabled{color:#999}.van-tree-select__nitem--disabled:active::after{display:none}.van-tree-select__content{width:65%;padding-left:15px;margin-left:35%;background-color:#fff;box-sizing:border-box}.van-tree-select__item{position:relative;font-weight:700;line-height:44px}.van-tree-select__item--active{color:#f44}.van-tree-select__item--disabled,.van-tree-select__item--disabled:active{color:#999}.van-tree-select__selected{position:absolute;top:0;right:15px;bottom:0;height:24px;margin:auto 0;line-height:24px}
\ No newline at end of file
+@import '../common/index.wxss';.van-tree-select{position:relative;font-size:14px;-webkit-user-select:none;user-select:none}.van-tree-select__nav{position:absolute;top:0;bottom:0;left:0;width:35%;min-width:120px;background-color:#fafafa}.van-tree-select__nitem{position:relative;padding:0 9px 0 15px;line-height:44px}.van-tree-select__nitem--active::after{position:absolute;top:0;bottom:0;left:0;width:3.6px;background-color:#f44;content:''}.van-tree-select__nitem--active{font-weight:700;background-color:#fff}.van-tree-select__nitem--disabled{color:#999}.van-tree-select__content{width:65%;padding-left:15px;margin-left:35%;background-color:#fff;box-sizing:border-box}.van-tree-select__item{position:relative;font-weight:700;line-height:44px}.van-tree-select__item--active{color:#f44}.van-tree-select__item--disabled{color:#999}.van-tree-select__selected{position:absolute;top:0;right:15px;bottom:0;height:24px;margin:auto 0;line-height:24px}
\ No newline at end of file
diff --git a/package.json b/package.json
index c175e92d..1dad2f7b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vant-weapp",
-  "version": "0.5.2",
+  "version": "0.5.3",
   "author": "youzan",
   "license": "MIT",
   "miniprogram": "dist",