chore: backtop 组件名称变更

src/config.json

@@ -722,7 +722,7 @@
         },
         {
           "version": "3.0.0",
-          "name": "BackTop",
+          "name": "Backtop",
           "taro": true,
           "tarodoc": true,
           "sort": "1",

src/packages/__VUE/backtop/__tests__/backtop.spec.ts

@@ -1,5 +1,5 @@
 import { mount, config } from '@vue/test-utils';
-import BackTop from '../index.vue';
+import Backtop from '../index.vue';
 import { mockScrollTop } from './../../../utils/unit';
 
 import NutIcon from '../../icon/index.vue';
@@ -16,19 +16,19 @@ afterAll(() => {
 });
 
 test('emit click event', () => {
-  const wrapper = mount(BackTop);
+  const wrapper = mount(Backtop);
   wrapper.trigger('click');
   expect(wrapper.emitted('click')!.length).toEqual(1);
 });
 
 test('backtop show', () => {
-  const wrapper = mount(BackTop);
+  const wrapper = mount(Backtop);
   const backtop = wrapper.find('.nut-backtop');
   expect(backtop.exists()).toBe(true);
 });
 
 test('backtop style', () => {
-  const wrapper = mount(BackTop, {
+  const wrapper = mount(Backtop, {
     props: {
       bottom: 50
     }
@@ -38,7 +38,7 @@ test('backtop style', () => {
 });
 
 test('backtop style,backtop show', async () => {
-  const wrapper = mount(BackTop, {
+  const wrapper = mount(Backtop, {
     props: {
       right: 40
     }
@@ -51,7 +51,7 @@ test('backtop style,backtop show', async () => {
 });
 
 test('backtop style', async () => {
-  const wrapper = mount(BackTop, {
+  const wrapper = mount(Backtop, {
     props: {
       zIndex: 100,
       distance: 0

src/packages/__VUE/backtop/doc.en-US.md

@@ -1,4 +1,4 @@
-# BackTop
+# Backtop
 
 ### Intro
 
@@ -9,10 +9,10 @@ Provides a quick return to the top function for long pages.
 ```javascript
 
 import { createApp } from 'vue';
-import { BackTop,Icon } from '@nutui/nutui';
+import { Backtop,Icon } from '@nutui/nutui';
 
 const app = createApp();
-app.use(BackTop);
+app.use(Backtop);
 app.use(Icon);
 
 ```

src/packages/__VUE/backtop/doc.md

@@ -1,4 +1,4 @@
-# BackTop 返回顶部
+# Backtop 返回顶部
 
 ### 介绍
 
@@ -9,10 +9,10 @@
 ```javascript
 
 import { createApp } from 'vue';
-import { BackTop,Icon } from '@nutui/nutui';
+import { Backtop,Icon } from '@nutui/nutui';
 
 const app = createApp();
-app.use(BackTop);
+app.use(Backtop);
 app.use(Icon);
 
 ```

src/packages/__VUE/backtop/doc.taro.md

@@ -1,4 +1,4 @@
-# BackTop 返回顶部
+# Backtop 返回顶部
 
 ### 介绍
 
@@ -9,10 +9,10 @@
 ```javascript
 
 import { createApp } from 'vue';
-import { BackTop,Icon } from '@nutui/nutui-taro';
+import { Backtop,Icon } from '@nutui/nutui-taro';
 
 const app = createApp();
-app.use(BackTop);
+app.use(Backtop);
 app.use(Icon);
 
 ```