diff --git a/build/webpack.config.dev.js b/build/webpack.config.dev.js
index c7704eae6..f4657d327 100644
--- a/build/webpack.config.dev.js
+++ b/build/webpack.config.dev.js
@@ -60,6 +60,7 @@ module.exports = {
           {
             loader: 'vue-loader',
             options: {
+              preserveWhitespace: false,
               loaders: {
                 postcss: ExtractTextPlugin.extract({
                   use: styleLoaders,
diff --git a/docs/examples-docs/pay-order.md b/docs/examples-docs/pay-order.md
new file mode 100644
index 000000000..1df37b4a2
--- /dev/null
+++ b/docs/examples-docs/pay-order.md
@@ -0,0 +1,87 @@
+## PayOrder 支付订单
+
+<script>
+import { Toast } from 'packages/index';
+
+export default {
+  methods: {
+    onClickButton() {
+      Toast('点击按钮');
+    }
+  }
+}
+</script>
+
+<style>
+.demo-pay-order {
+  .van-pay-order {
+    position: relative;
+  }
+}
+</style>
+
+### 使用指南
+``` javascript
+import { PayOrder } from 'vant';
+
+Vue.component(PayOrder.name, PayOrder);
+```
+
+### 代码演示
+
+#### 基础用法
+
+:::demo 基础用法
+```html
+<van-pay-order
+  :price="3050"
+  button-text="提交订单"
+  @submit="onClickButton"
+/>
+```
+:::
+
+#### 禁用状态
+禁用状态下不会触发`submit`事件
+
+:::demo 禁用状态
+```html
+<van-pay-order
+  disabled
+  :price="3050"
+  button-text="提交订单"
+  tip="您的收货地址不支持同城送, 我们已为您推荐快递"
+  @submit="onClickButton"
+/>
+```
+:::
+
+#### 加载状态
+加载状态下不会触发`submit`事件
+:::demo 加载状态
+```html
+<van-pay-order
+  loading
+  :price="3050"
+  button-text="提交订单"
+  @submit="onClickButton"
+/>
+```
+:::
+
+### API
+
+| 参数       | 说明      | 类型       | 默认值       | 必须      |
+|-----------|-----------|-----------|-------------|-------------|
+| price | 价格（单位分） |  `Number` |  | 是 |
+| button-text | 按钮文字 | `String`  |   | 是 |
+| button-type | 按钮类型 |  `String` | `danger` | 否 |
+| tip | 提示文案 |  `String` |  | 否 |
+| disabled | 是否禁用按钮 |  `Boolean` | `false` | 否 |
+| loading | 是否显示加载中的按钮 |  `Boolean` | `false` | 否 |
+
+### Event
+
+| 事件名       | 说明      | 参数       |
+|-----------|-----------|-----------|
+| submit | 按钮点击事件回调 | - |
diff --git a/docs/src/doc.config.js b/docs/src/doc.config.js
index 364ce26be..64da013eb 100644
--- a/docs/src/doc.config.js
+++ b/docs/src/doc.config.js
@@ -189,6 +189,10 @@ module.exports = {
                 "path": "/express-way",
                 "title": "ExpressWay 配送方式"
               },
+              {
+                "path": "/pay-order",
+                "title": "PayOrder 提交订单栏"
+              },
               {
                 "path": "/switch-cell",
                 "title": "SwitchCell 开关单元格"
diff --git a/package.json b/package.json
index b24c40444..67c50bf01 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "vue": "2.4.2"
   },
   "devDependencies": {
-    "autoprefixer": "^7.1.2",
+    "autoprefixer": "^7.1.3",
     "avoriaz": "2.0.0",
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.0",
@@ -117,6 +117,6 @@
     "webpack": "^3.5.5",
     "webpack-dev-server": "^2.7.1",
     "webpack-merge": "^4.1.0",
-    "zan-doc": "^0.2.5"
+    "zan-doc": "^0.2.6"
   }
 }
diff --git a/packages/index.js b/packages/index.js
index a3d2fba30..c262f1834 100644
--- a/packages/index.js
+++ b/packages/index.js
@@ -19,6 +19,7 @@ import Lazyload from './lazyload';
 import Loading from './loading';
 import NoticeBar from './notice-bar';
 import Panel from './panel';
+import PayOrder from './pay-order';
 import Picker from './picker';
 import Popup from './popup';
 import Progress from './progress';
@@ -60,6 +61,7 @@ const components = [
   Loading,
   NoticeBar,
   Panel,
+  PayOrder,
   Picker,
   Popup,
   Progress,
@@ -117,6 +119,7 @@ export {
   Loading,
   NoticeBar,
   Panel,
+  PayOrder,
   Picker,
   Popup,
   Progress,
diff --git a/packages/mixins/popup/index.js b/packages/mixins/popup/index.js
index cb98e2638..52317cbe2 100644
--- a/packages/mixins/popup/index.js
+++ b/packages/mixins/popup/index.js
@@ -99,6 +99,7 @@ export default {
      * 显示popup
      */
     open() {
+      /* istanbul ignore if */
       if (this.$isServer) return;
       if (this.opened) return;
 
diff --git a/packages/pay-order/index.vue b/packages/pay-order/index.vue
new file mode 100644
index 000000000..c0d97122c
--- /dev/null
+++ b/packages/pay-order/index.vue
@@ -0,0 +1,63 @@
+<template>
+  <div class="van-pay-order">
+    <div class="van-pay-order__tip" v-show="tip">{{ tip }}</div>
+    <div class="van-pay-order__bar">
+      <div class="van-pay-order__price">
+        <template v-if="hasPrice">
+          <span class="van-pay-order__price-text">合计：</span>
+          <span class="van-pay-order__price-interger">¥{{ priceInterger }}.</span>
+          <span class="van-pay-order__price-decimal">{{ priceDecimal }}</span>
+        </template>
+      </div>
+      <van-button :type="buttonType" :disabled="disabled" :loading="loading" @click="onSubmit">
+        {{ loading ? '' : buttonText }}
+      </van-button>
+    </div>
+  </div>
+</template>
+
+<script>
+import Button from '../button';
+
+export default {
+  name: 'van-pay-order',
+
+  components: {
+    [Button.name]: Button
+  },
+
+  props: {
+    tip: String,
+    type: Number,
+    price: Number,
+    loading: Boolean,
+    disabled: Boolean,
+    buttonText: String,
+    buttonType: {
+      type: String,
+      default: 'danger'
+    }
+  },
+
+  computed: {
+    hasPrice() {
+      return typeof this.price === 'number';
+    },
+    priceInterger() {
+      return Math.floor(this.price / 100);
+    },
+    priceDecimal() {
+      const decimal = this.price % 100;
+      return (decimal < 10 ? '0' : '') + decimal;
+    }
+  },
+
+  methods: {
+    onSubmit() {
+      if (!this.disabled && !this.loading) {
+        this.$emit('submit');
+      }
+    }
+  }
+};
+</script>
diff --git a/packages/vant-css/src/index.css b/packages/vant-css/src/index.css
index 04bb59827..89a4b636a 100644
--- a/packages/vant-css/src/index.css
+++ b/packages/vant-css/src/index.css
@@ -33,3 +33,4 @@
 @import './notice-bar.css';
 @import './switch-cell.css';
 @import './express-way.css';
+@import './pay-order.css';
diff --git a/packages/vant-css/src/pay-order.css b/packages/vant-css/src/pay-order.css
new file mode 100644
index 000000000..f674c6f04
--- /dev/null
+++ b/packages/vant-css/src/pay-order.css
@@ -0,0 +1,59 @@
+.van-pay-order {
+  left: 0;
+  bottom: 0;
+  width: 100%;
+  z-index: 100;
+  position: fixed;
+  user-select: none;
+
+  &__tip {
+    color: #f60;
+    font-size: 12px;
+    line-height: 18px;
+    padding: 10px 10px;
+    background-color: #fff6e1;
+  }
+
+  &__bar {
+    height: 50px;
+    display: flex;
+    line-height: 50px;
+    background-color: #fff;
+  }
+
+  &__price {
+    flex: 1;
+    text-align: right;
+    padding-right: 10px;
+  }
+
+  &__price-text {
+    color: #666;
+    font-size: 16px;
+  }
+
+  &__price-interger {
+    color: #f44;
+    font-size: 16px;
+  }
+
+  &__price-decimal {
+    color: #f44;
+    font-size: 12px;
+  }
+
+  .van-button {
+    width: 110px;
+    height: 100%;
+    border-radius: 0;
+
+    &--disabled {
+      border: none;
+    }
+
+    .van-loading__spinner--white {
+      border-color: rgba(255,255,255, .8);
+      border-top-color: transparent;
+    }
+  }
+}
diff --git a/test/unit/specs/pay-order.spec.js b/test/unit/specs/pay-order.spec.js
new file mode 100644
index 000000000..6dab66ebf
--- /dev/null
+++ b/test/unit/specs/pay-order.spec.js
@@ -0,0 +1,98 @@
+import PayOrder from 'packages/pay-order';
+import { mount } from 'avoriaz';
+import { DOMChecker } from '../utils';
+
+describe('PayOrder', () => {
+  let wrapper;
+  afterEach(() => {
+    wrapper && wrapper.destroy();
+  });
+
+  it('default', () => {
+    const props = {
+      price: 3050,
+      buttonText: '提交订单',
+      tip: '您的收货地址不支持同城送, 我们已为您推荐快递'
+    };
+
+    wrapper = mount(PayOrder, {
+      propsData: props
+    });
+
+    DOMChecker(wrapper, {
+      text: {
+        '.van-button__text': props.buttonText,
+        '.van-pay-order__price-interger': '¥30.',
+        '.van-pay-order__price-decimal': '50',
+        '.van-pay-order__tip': props.tip
+      }
+    });
+  });
+
+  it('no tip', () => {
+    wrapper = mount(PayOrder, {
+      propsData: {
+        price: 3005,
+        buttonText: '提交订单',
+        buttonType: 'default'
+      }
+    });
+
+    DOMChecker(wrapper, {
+      text: {
+        '.van-button__text': '提交订单',
+        '.van-pay-order__price-interger': '¥30.',
+        '.van-pay-order__price-decimal': '05',
+        '.van-pay-order__tip': ''
+      }
+    });
+  });
+
+  it('handle submit', () => {
+    wrapper = mount(PayOrder, {
+      propsData: {
+        price: 3005,
+        buttonText: '提交订单'
+      }
+    });
+
+    const submitSpyFunc = sinon.spy();
+    wrapper.vm.$on('submit', submitSpyFunc);
+    wrapper.find('.van-button')[0].trigger('click');
+    setTimeout(() => {
+      expect(submitSpyFunc.calledOnce).to.be.true;
+    }, 300);
+  });
+
+  it('can not submit when disabled', () => {
+    wrapper = mount(PayOrder, {
+      propsData: {
+        disabled: true,
+        buttonText: '提交订单'
+      }
+    });
+
+    const submitSpyFunc = sinon.spy();
+    wrapper.vm.$on('submit', submitSpyFunc);
+    wrapper.find('.van-button')[0].trigger('click');
+    setTimeout(() => {
+      expect(submitSpyFunc.calledOnce).to.be.false;
+    }, 300);
+  });
+
+  it('can not submit when loading', () => {
+    wrapper = mount(PayOrder, {
+      propsData: {
+        loading: true,
+        buttonText: '提交订单'
+      }
+    });
+
+    const submitSpyFunc = sinon.spy();
+    wrapper.vm.$on('submit', submitSpyFunc);
+    wrapper.find('.van-button')[0].trigger('click');
+    setTimeout(() => {
+      expect(submitSpyFunc.calledOnce).to.be.false;
+    }, 300);
+  });
+});
diff --git a/test/unit/specs/popup.spec.js b/test/unit/specs/popup.spec.js
index 202cfbdb5..250109f50 100644
--- a/test/unit/specs/popup.spec.js
+++ b/test/unit/specs/popup.spec.js
@@ -1,5 +1,6 @@
 import Popup from 'packages/popup';
 import { mount } from 'avoriaz';
+import { triggerTouch } from '../utils';
 
 describe('Popup', () => {
   let wrapper;
@@ -57,4 +58,60 @@ describe('Popup', () => {
     expect(wrapper.hasClass('van-popup')).to.be.true;
     expect(wrapper.instance().currentTransition).to.equal('popup-fade');
   });
+
+  it('popup prevent scroll', (done) => {
+    wrapper = mount(Popup, {
+      propsData: {
+        preventScroll: true,
+        value: true
+      }
+    });
+
+    expect(wrapper.hasClass('van-popup')).to.be.true;
+
+    setTimeout(() => {
+      expect(wrapper.data().currentValue).to.be.true;
+      wrapper.vm.value = false;
+      triggerTouch(document, 'touchstart', 0, 0);
+      triggerTouch(document, 'touchmove', 0, 10);
+      triggerTouch(document, 'touchmove', 0, 30);
+      triggerTouch(document, 'touchmove', 0, -30);
+
+      setTimeout(() => {
+        expect(wrapper.data().currentValue).to.be.false;
+        done();
+      }, 300);
+    }, 300);
+  });
+
+  it('popup modal', (done) => {
+    wrapper = mount(Popup, {
+      propsData: {
+        preventScroll: true,
+        value: true
+      }
+    });
+
+    wrapper.vm.$on('input', val => {
+      wrapper.vm.value = val;
+    });
+
+    expect(wrapper.hasClass('van-popup')).to.be.true;
+
+    const modal = document.querySelector('.van-modal');
+
+    setTimeout(() => {
+      triggerTouch(modal, 'touchstart', 0, 0);
+      triggerTouch(modal, 'touchmove', 0, 10);
+      triggerTouch(modal, 'touchmove', 0, 30);
+      triggerTouch(modal, 'touchmove', 0, -30);
+      expect(modal).to.exist;
+
+      modal.click();
+      setTimeout(() => {
+        expect(wrapper.data().currentValue).to.be.false;
+        done();
+      }, 300);
+    }, 300);
+  });
 });
diff --git a/yarn.lock b/yarn.lock
index 65dac4f42..361847594 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -334,15 +334,15 @@ autoprefixer@^6.3.1:
     postcss "^5.2.16"
     postcss-value-parser "^3.2.3"
 
-autoprefixer@^7.1.2:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-7.1.2.tgz#fbeaf07d48fd878e0682bf7cbeeade728adb2b18"
+autoprefixer@^7.1.3:
+  version "7.1.3"
+  resolved "https://registry.npmjs.org/autoprefixer/-/autoprefixer-7.1.3.tgz#0e8d337976d6f13644db9f8813b4c42f3d1ccc34"
   dependencies:
-    browserslist "^2.1.5"
-    caniuse-lite "^1.0.30000697"
+    browserslist "^2.4.0"
+    caniuse-lite "^1.0.30000718"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^6.0.6"
+    postcss "^6.0.10"
     postcss-value-parser "^3.2.3"
 
 avoriaz@2.0.0:
@@ -1204,13 +1204,20 @@ browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
     caniuse-db "^1.0.30000639"
     electron-to-chromium "^1.2.7"
 
-browserslist@^2.1.2, browserslist@^2.1.5:
+browserslist@^2.1.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-2.3.3.tgz#2b0cabc4d28489f682598605858a0782f14b154c"
   dependencies:
     caniuse-lite "^1.0.30000715"
     electron-to-chromium "^1.3.18"
 
+browserslist@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.npmjs.org/browserslist/-/browserslist-2.4.0.tgz#693ee93d01e66468a6348da5498e011f578f87f8"
+  dependencies:
+    caniuse-lite "^1.0.30000718"
+    electron-to-chromium "^1.3.18"
+
 buffer-indexof@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-indexof/-/buffer-indexof-1.1.0.tgz#f54f647c4f4e25228baa656a2e57e43d5f270982"
@@ -1304,10 +1311,14 @@ caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634, caniuse-db@^1.0.30000639:
   version "1.0.30000715"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000715.tgz#0b9b5c795950dfbaf301a8806bafe87f126da8ca"
 
-caniuse-lite@^1.0.30000697, caniuse-lite@^1.0.30000715:
+caniuse-lite@^1.0.30000715:
   version "1.0.30000715"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000715.tgz#c327f5e6d907ebcec62cde598c3bf0dd793fb9a0"
 
+caniuse-lite@^1.0.30000718:
+  version "1.0.30000718"
+  resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000718.tgz#0dd24290beb11310b2d80f6b70a823c2a65a6fad"
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -7959,9 +7970,9 @@ yeast@0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/yeast/-/yeast-0.1.2.tgz#008e06d8094320c372dbc2f8ed76a0ca6c8ac419"
 
-zan-doc@^0.2.5:
-  version "0.2.5"
-  resolved "https://registry.npmjs.org/zan-doc/-/zan-doc-0.2.5.tgz#4f82e1b75db1a348b57436cd1d4ffb607bc18562"
+zan-doc@^0.2.6:
+  version "0.2.6"
+  resolved "https://registry.npmjs.org/zan-doc/-/zan-doc-0.2.6.tgz#27cc789460c32f6bed7687e050e2d9063b2725d5"
   dependencies:
     cheerio "0.22.0"
     decamelize "^1.2.0"