diff --git a/src/App.vue b/src/App.vue
index 633a5dfe4e547c48bfa93740a290ba5ba370930a..ab2f24698ab42ad30ce3d6383840b11a3e3fe270 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,19 +1,10 @@
-<script setup>
-import HelloWorld from './components/HelloWorld.vue'
-import TheWelcome from './components/TheWelcome.vue'
-</script>
+import ./HelloWorld.vue
 
 <template>
-  <header>
-    <img alt="Vue logo" class="logo" src="./assets/logo.svg" width="125" height="125" />
-
-    <div class="wrapper">
+  <main>
+   <div class="wrapper">
       <HelloWorld msg="You did it!" />
     </div>
-  </header>
-
-  <main>
-    <TheWelcome />
   </main>
 </template>
 
diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
index 1b8faac1521345513353e96050dd24d94610d432..390d6e191124445762c4d6af7639a1faaad1ebe9 100644
--- a/src/components/HelloWorld.vue
+++ b/src/components/HelloWorld.vue
@@ -1,43 +1,28 @@
-<script setup>
-defineProps({
-  msg: {
-    type: String,
-    required: true
-  }
-})
-</script>
-
 <template>
-  <div class="greetings">
-    <h1 class="green">{{ msg }}</h1>
-    <h3>
-      You’ve successfully created a project with
-      <a target="_blank" href="https://vitejs.dev/">Vite</a> +
-      <a target="_blank" href="https://vuejs.org/">Vue 3</a>.
-    </h3>
-  </div>
+  <div class="count" @click="addCount">单击鼠标 {{count}}</div>
 </template>
 
-<style scoped>
-h1 {
-  font-weight: 500;
-  font-size: 2.6rem;
-  top: -10px;
-}
+<script>
+// import Vue 不是必须的，需要手动指定 Vue 的版本时，可以解开注释
+// import Vue from 'vue';
 
-h3 {
-  font-size: 1.2rem;
-}
-
-.greetings h1,
-.greetings h3 {
-  text-align: center;
-}
+export default {
+  data() {
+    return {
+      count: 0,
+    };
+  },
+  methods: {
+    addCount() {
+      this.count += 1;
+    },
+  },
+};
+</script>
 
-@media (min-width: 1024px) {
-  .greetings h1,
-  .greetings h3 {
-    text-align: left;
-  }
+<style>
+.count {
+  color: red;
 }
 </style>
+      
\ No newline at end of file
diff --git a/src/components/TheWelcome.vue b/src/components/TheWelcome.vue
deleted file mode 100644
index 67ba378aa2fa75a05e0bad48d6a0ad6f2d4d8d2a..0000000000000000000000000000000000000000
--- a/src/components/TheWelcome.vue
+++ /dev/null
@@ -1,84 +0,0 @@
-<script setup>
-import WelcomeItem from './WelcomeItem.vue'
-import DocumentationIcon from './icons/IconDocumentation.vue'
-import ToolingIcon from './icons/IconTooling.vue'
-import EcosystemIcon from './icons/IconEcosystem.vue'
-import CommunityIcon from './icons/IconCommunity.vue'
-import SupportIcon from './icons/IconSupport.vue'
-</script>
-
-<template>
-  <WelcomeItem>
-    <template #icon>
-      <DocumentationIcon />
-    </template>
-    <template #heading>Documentation</template>
-
-    Vue’s
-    <a target="_blank" href="https://vuejs.org/">official documentation</a>
-    provides you111111111111 with all information you need to get started.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <ToolingIcon />
-    </template>
-    <template #heading>Tooling</template>
-
-    This project is served and bundled with
-    <a href="https://vitejs.dev/guide/features.html" target="_blank">Vite</a>. The recommended IDE
-    setup is <a href="https://code.visualstudio.com/" target="_blank">VSCode</a> +
-    <a href="https://github.com/johnsoncodehk/volar" target="_blank">Volar</a>. If you need to test
-    your components and web pages, check out
-    <a href="https://www.cypress.io/" target="_blank">Cypress</a> and
-    <a href="https://on.cypress.io/component" target="_blank"
-      >Cypress Component Testing</a
-    >.
-
-    <br />
-
-    More instructions are available in <code>README.md</code>.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <EcosystemIcon />
-    </template>
-    <template #heading>Ecosystem</template>
-
-    Get official tools and libraries for your project:
-    <a target="_blank" href="https://pinia.vuejs.org/">Pinia</a>,
-    <a target="_blank" href="https://router.vuejs.org/">Vue Router</a>,
-    <a target="_blank" href="https://test-utils.vuejs.org/">Vue Test Utils</a>, and
-    <a target="_blank" href="https://github.com/vuejs/devtools">Vue Dev Tools</a>. If you need more
-    resources, we suggest paying
-    <a target="_blank" href="https://github.com/vuejs/awesome-vue">Awesome Vue</a>
-    a visit.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <CommunityIcon />
-    </template>
-    <template #heading>Community</template>
-
-    Got stuck? Ask your question on
-    <a target="_blank" href="https://chat.vuejs.org">Vue Land</a>, our official Discord server, or
-    <a target="_blank" href="https://stackoverflow.com/questions/tagged/vue.js">StackOverflow</a>.
-    You should also subscribe to
-    <a target="_blank" href="https://news.vuejs.org">our mailing list</a> and follow the official
-    <a target="_blank" href="https://twitter.com/vuejs">@vuejs</a>
-    twitter account for latest news in the Vue world.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <SupportIcon />
-    </template>
-    <template #heading>Support Vue</template>
-
-    As an independent project, Vue relies on community backing for its sustainability. You can help
-    us by
-    <a target="_blank" href="https://vuejs.org/sponsor/">becoming a sponsor</a>.
-  </WelcomeItem>
-</template>
diff --git a/src/components/WelcomeItem.vue b/src/components/WelcomeItem.vue
deleted file mode 100644
index ba0def33c0e523d8c82426d76d76c39b482b21e0..0000000000000000000000000000000000000000
--- a/src/components/WelcomeItem.vue
+++ /dev/null
@@ -1,86 +0,0 @@
-<template>
-  <div class="item">
-    <i>
-      <slot name="icon"></slot>
-    </i>
-    <div class="details">
-      <h3>
-        <slot name="heading"></slot>
-      </h3>
-      <slot></slot>
-    </div>
-  </div>
-</template>
-
-<style scoped>
-.item {
-  margin-top: 2rem;
-  display: flex;
-}
-
-.details {
-  flex: 1;
-  margin-left: 1rem;
-}
-
-i {
-  display: flex;
-  place-items: center;
-  place-content: center;
-  width: 32px;
-  height: 32px;
-
-  color: var(--color-text);
-}
-
-h3 {
-  font-size: 1.2rem;
-  font-weight: 500;
-  margin-bottom: 0.4rem;
-  color: var(--color-heading);
-}
-
-@media (min-width: 1024px) {
-  .item {
-    margin-top: 0;
-    padding: 0.4rem 0 1rem calc(var(--section-gap) / 2);
-  }
-
-  i {
-    top: calc(50% - 25px);
-    left: -26px;
-    position: absolute;
-    border: 1px solid var(--color-border);
-    background: var(--color-background);
-    border-radius: 8px;
-    width: 50px;
-    height: 50px;
-  }
-
-  .item:before {
-    content: ' ';
-    border-left: 1px solid var(--color-border);
-    position: absolute;
-    left: 0;
-    bottom: calc(50% + 25px);
-    height: calc(50% - 25px);
-  }
-
-  .item:after {
-    content: ' ';
-    border-left: 1px solid var(--color-border);
-    position: absolute;
-    left: 0;
-    top: calc(50% + 25px);
-    height: calc(50% - 25px);
-  }
-
-  .item:first-of-type:before {
-    display: none;
-  }
-
-  .item:last-of-type:after {
-    display: none;
-  }
-}
-</style>