diff --git a/docs/examples-docs/changelog.md b/docs/examples-docs/changelog.md
index 993609391..248c1a4a8 100644
--- a/docs/examples-docs/changelog.md
+++ b/docs/examples-docs/changelog.md
@@ -8,12 +8,12 @@
 
 **非兼容更新和新特性:**
 
-- PayOrder component add tip slot [\#105](https://github.com/youzan/vant/pull/105) ([Raistlin916](https://github.com/Raistlin916))
+- SubmitBar component add tip slot [\#105](https://github.com/youzan/vant/pull/105) ([Raistlin916](https://github.com/Raistlin916))
 - Checkbox: support listen to change event [\#104](https://github.com/youzan/vant/pull/104) ([chenjiahan](https://github.com/chenjiahan))
 - add GoodsAction component [\#102](https://github.com/youzan/vant/pull/102) ([chenjiahan](https://github.com/chenjiahan))
 - add InvalidGoods component [\#100](https://github.com/youzan/vant/pull/100) ([chenjiahan](https://github.com/chenjiahan))
 - add OrderGoods component [\#99](https://github.com/youzan/vant/pull/99) ([chenjiahan](https://github.com/chenjiahan))
-- add PayOrder component [\#98](https://github.com/youzan/vant/pull/98) ([chenjiahan](https://github.com/chenjiahan))
+- add SubmitBar component [\#98](https://github.com/youzan/vant/pull/98) ([chenjiahan](https://github.com/chenjiahan))
 
 **修复:**
 
diff --git a/docs/examples-docs/pay-order.md b/docs/examples-docs/submit-bar.md
similarity index 89%
rename from docs/examples-docs/pay-order.md
rename to docs/examples-docs/submit-bar.md
index 65302441e..07dad564c 100644
--- a/docs/examples-docs/pay-order.md
+++ b/docs/examples-docs/submit-bar.md
@@ -1,4 +1,4 @@
-## PayOrder 提交订单栏
+## SubmitBar 提交订单栏
 
 <script>
 import { Toast } from 'packages';
@@ -16,8 +16,8 @@ export default {
 </script>
 
 <style>
-.demo-pay-order {
-  .van-pay-order {
+.demo-submit-bar {
+  .van-submit-bar {
     position: relative;
   }
   .van-edit-address {
@@ -28,9 +28,9 @@ export default {
 
 ### 使用指南
 ``` javascript
-import { PayOrder } from 'vant';
+import { SubmitBar } from 'vant';
 
-Vue.component(PayOrder.name, PayOrder);
+Vue.component(SubmitBar.name, SubmitBar);
 ```
 
 ### 代码演示
@@ -39,7 +39,7 @@ Vue.component(PayOrder.name, PayOrder);
 
 :::demo 基础用法
 ```html
-<van-pay-order
+<van-submit-bar
   :price="3050"
   button-text="提交订单"
   @submit="onClickButton"
@@ -52,7 +52,7 @@ Vue.component(PayOrder.name, PayOrder);
 
 :::demo 禁用状态
 ```html
-<van-pay-order
+<van-submit-bar
   disabled
   :price="3050"
   button-text="提交订单"
@@ -66,7 +66,7 @@ Vue.component(PayOrder.name, PayOrder);
 加载状态下不会触发`submit`事件
 :::demo 加载状态
 ```html
-<van-pay-order
+<van-submit-bar
   loading
   :price="3050"
   button-text="提交订单"
@@ -79,7 +79,7 @@ Vue.component(PayOrder.name, PayOrder);
 提示文案中的额外操作和说明
 :::demo 提示文案中添加操作
 ```html
-<van-pay-order
+<van-submit-bar
   :price="3050"
   button-text="提交订单"
   @submit="onClickButton"
@@ -87,7 +87,7 @@ Vue.component(PayOrder.name, PayOrder);
   <span slot="tip">
     您的收货地址不支持同城送, <span class="van-edit-address" @click="onClickEditAddress">修改地址 ></span>
   </span>
-</van-pay-order>
+</van-submit-bar>
 ```
 :::
 
diff --git a/docs/src/doc.config.js b/docs/src/doc.config.js
index 1a35dad04..00bd6f378 100644
--- a/docs/src/doc.config.js
+++ b/docs/src/doc.config.js
@@ -215,8 +215,8 @@ module.exports = {
                 "title": "GoodsAction 商品页行动点"
               },
               {
-                "path": "/pay-order",
-                "title": "PayOrder 提交订单栏"
+                "path": "/submit-bar",
+                "title": "SubmitBar 提交订单栏"
               }
             ]
           }
diff --git a/packages/index.js b/packages/index.js
index 136ef1c69..cc2609d4e 100644
--- a/packages/index.js
+++ b/packages/index.js
@@ -24,7 +24,6 @@ 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';
@@ -36,6 +35,7 @@ import Search from './search';
 import Step from './step';
 import Stepper from './stepper';
 import Steps from './steps';
+import SubmitBar from './submit-bar';
 import Swipe from './swipe';
 import SwipeItem from './swipe-item';
 import Switch from './switch';
@@ -73,7 +73,6 @@ const components = [
   Loading,
   NoticeBar,
   Panel,
-  PayOrder,
   Picker,
   Popup,
   Progress,
@@ -85,6 +84,7 @@ const components = [
   Step,
   Stepper,
   Steps,
+  SubmitBar,
   Swipe,
   SwipeItem,
   Switch,
@@ -138,7 +138,6 @@ export {
   Loading,
   NoticeBar,
   Panel,
-  PayOrder,
   Picker,
   Popup,
   Progress,
@@ -150,6 +149,7 @@ export {
   Step,
   Stepper,
   Steps,
+  SubmitBar,
   Swipe,
   SwipeItem,
   Switch,
diff --git a/packages/pay-order/index.vue b/packages/submit-bar/index.vue
similarity index 70%
rename from packages/pay-order/index.vue
rename to packages/submit-bar/index.vue
index 35b79355d..f236cbfd1 100644
--- a/packages/pay-order/index.vue
+++ b/packages/submit-bar/index.vue
@@ -1,14 +1,14 @@
 <template>
-  <div class="van-pay-order">
-    <div class="van-pay-order__tip" v-show="tip || $slots.tip">
+  <div class="van-submit-bar">
+    <div class="van-submit-bar__tip" v-show="tip || $slots.tip">
       {{ tip }}<slot name="tip"></slot>
     </div>
-    <div class="van-pay-order__bar">
-      <div class="van-pay-order__price">
+    <div class="van-submit-bar__bar">
+      <div class="van-submit-bar__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>
+          <span class="van-submit-bar__price-text">合计：</span>
+          <span class="van-submit-bar__price-interger">¥{{ priceInterger }}.</span>
+          <span class="van-submit-bar__price-decimal">{{ priceDecimal }}</span>
         </template>
       </div>
       <van-button :type="buttonType" :disabled="disabled" :loading="loading" @click="onSubmit">
@@ -22,7 +22,7 @@
 import Button from '../button';
 
 export default {
-  name: 'van-pay-order',
+  name: 'van-submit-bar',
 
   components: {
     [Button.name]: Button
diff --git a/packages/vant-css/src/coupon.css b/packages/vant-css/src/coupon-list.css
similarity index 100%
rename from packages/vant-css/src/coupon.css
rename to packages/vant-css/src/coupon-list.css
diff --git a/packages/vant-css/src/index.css b/packages/vant-css/src/index.css
index 14b5f7b7b..25790dddb 100644
--- a/packages/vant-css/src/index.css
+++ b/packages/vant-css/src/index.css
@@ -46,7 +46,7 @@
 @import './tree-select.css';
 
 /* business components */
+@import './coupon-list.css';
 @import './goods-action.css';
 @import './notice-bar.css';
-@import './coupon.css';
-@import './pay-order.css';
+@import './submit-bar.css';
diff --git a/packages/vant-css/src/pay-order.css b/packages/vant-css/src/submit-bar.css
similarity index 98%
rename from packages/vant-css/src/pay-order.css
rename to packages/vant-css/src/submit-bar.css
index dca923ad6..db50bd56b 100644
--- a/packages/vant-css/src/pay-order.css
+++ b/packages/vant-css/src/submit-bar.css
@@ -1,6 +1,6 @@
 @import './common/var.css';
 
-.van-pay-order {
+.van-submit-bar {
   left: 0;
   bottom: 0;
   width: 100%;
diff --git a/test/unit/specs/pay-order.spec.js b/test/unit/specs/submit-bar.js
similarity index 77%
rename from test/unit/specs/pay-order.spec.js
rename to test/unit/specs/submit-bar.js
index 6dab66ebf..5b12662be 100644
--- a/test/unit/specs/pay-order.spec.js
+++ b/test/unit/specs/submit-bar.js
@@ -1,8 +1,8 @@
-import PayOrder from 'packages/pay-order';
+import SubmitBar from 'packages/submit-bar';
 import { mount } from 'avoriaz';
 import { DOMChecker } from '../utils';
 
-describe('PayOrder', () => {
+describe('SubmitBar', () => {
   let wrapper;
   afterEach(() => {
     wrapper && wrapper.destroy();
@@ -15,22 +15,22 @@ describe('PayOrder', () => {
       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, {
+    wrapper = mount(SubmitBar, {
       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
+        '.van-submit-bar__price-interger': '¥30.',
+        '.van-submit-bar__price-decimal': '50',
+        '.van-submit-bar__tip': props.tip
       }
     });
   });
 
   it('no tip', () => {
-    wrapper = mount(PayOrder, {
+    wrapper = mount(SubmitBar, {
       propsData: {
         price: 3005,
         buttonText: '提交订单',
@@ -41,15 +41,15 @@ describe('PayOrder', () => {
     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': ''
+        '.van-submit-bar__price-interger': '¥30.',
+        '.van-submit-bar__price-decimal': '05',
+        '.van-submit-bar__tip': ''
       }
     });
   });
 
   it('handle submit', () => {
-    wrapper = mount(PayOrder, {
+    wrapper = mount(SubmitBar, {
       propsData: {
         price: 3005,
         buttonText: '提交订单'
@@ -65,7 +65,7 @@ describe('PayOrder', () => {
   });
 
   it('can not submit when disabled', () => {
-    wrapper = mount(PayOrder, {
+    wrapper = mount(SubmitBar, {
       propsData: {
         disabled: true,
         buttonText: '提交订单'
@@ -81,7 +81,7 @@ describe('PayOrder', () => {
   });
 
   it('can not submit when loading', () => {
-    wrapper = mount(PayOrder, {
+    wrapper = mount(SubmitBar, {
       propsData: {
         loading: true,
         buttonText: '提交订单'