diff --git a/front/src/App.vue b/front/src/App.vue
index 7905b05..b7a6acd 100644
--- a/front/src/App.vue
+++ b/front/src/App.vue
@@ -1,22 +1,8 @@
 <script setup lang="ts">
 import { RouterLink, RouterView } from 'vue-router'
-import HelloWorld from './components/HelloWorld.vue'
 </script>
 
 <template>
-  <header>
-    <img alt="Vue logo" class="logo" src="@/assets/logo.svg" width="125" height="125" />
-
-    <div class="wrapper">
-      <HelloWorld msg="You did it!" />
-
-      <nav>
-        <RouterLink to="/">Home</RouterLink>
-        <RouterLink to="/about">About</RouterLink>
-      </nav>
-    </div>
-  </header>
-
   <RouterView />
 </template>
 
diff --git a/front/src/components/HelloWorld.vue b/front/src/components/HelloWorld.vue
deleted file mode 100644
index d174cf8..0000000
--- a/front/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,41 +0,0 @@
-<script setup lang="ts">
-defineProps<{
-  msg: string
-}>()
-</script>
-
-<template>
-  <div class="greetings">
-    <h1 class="green">{{ msg }}</h1>
-    <h3>
-      You’ve successfully created a project with
-      <a href="https://vite.dev/" target="_blank" rel="noopener">Vite</a> +
-      <a href="https://vuejs.org/" target="_blank" rel="noopener">Vue 3</a>. What's next?
-    </h3>
-  </div>
-</template>
-
-<style scoped>
-h1 {
-  font-weight: 500;
-  font-size: 2.6rem;
-  position: relative;
-  top: -10px;
-}
-
-h3 {
-  font-size: 1.2rem;
-}
-
-.greetings h1,
-.greetings h3 {
-  text-align: center;
-}
-
-@media (min-width: 1024px) {
-  .greetings h1,
-  .greetings h3 {
-    text-align: left;
-  }
-}
-</style>
diff --git a/front/src/components/TheWelcome.vue b/front/src/components/TheWelcome.vue
deleted file mode 100644
index 8b731d9..0000000
--- a/front/src/components/TheWelcome.vue
+++ /dev/null
@@ -1,95 +0,0 @@
-<script setup lang="ts">
-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'
-
-const openReadmeInEditor = () => fetch('/__open-in-editor?file=README.md')
-</script>
-
-<template>
-  <WelcomeItem>
-    <template #icon>
-      <DocumentationIcon />
-    </template>
-    <template #heading>Documentation</template>
-
-    Vue’s
-    <a href="https://vuejs.org/" target="_blank" rel="noopener">official documentation</a>
-    provides you 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://vite.dev/guide/features.html" target="_blank" rel="noopener">Vite</a>. The
-    recommended IDE setup is
-    <a href="https://code.visualstudio.com/" target="_blank" rel="noopener">VSCode</a>
-    +
-    <a href="https://github.com/vuejs/language-tools" target="_blank" rel="noopener"
-      >Vue - Official</a
-    >. If you need to test your components and web pages, check out
-    <a href="https://vitest.dev/" target="_blank" rel="noopener">Vitest</a>
-    and
-    <a href="https://www.cypress.io/" target="_blank" rel="noopener">Cypress</a>
-    /
-    <a href="https://playwright.dev/" target="_blank" rel="noopener">Playwright</a>.
-
-    <br />
-
-    More instructions are available in
-    <a href="javascript:void(0)" @click="openReadmeInEditor"><code>README.md</code></a
-    >.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <EcosystemIcon />
-    </template>
-    <template #heading>Ecosystem</template>
-
-    Get official tools and libraries for your project:
-    <a href="https://pinia.vuejs.org/" target="_blank" rel="noopener">Pinia</a>,
-    <a href="https://router.vuejs.org/" target="_blank" rel="noopener">Vue Router</a>,
-    <a href="https://test-utils.vuejs.org/" target="_blank" rel="noopener">Vue Test Utils</a>, and
-    <a href="https://github.com/vuejs/devtools" target="_blank" rel="noopener">Vue Dev Tools</a>. If
-    you need more resources, we suggest paying
-    <a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">Awesome Vue</a>
-    a visit.
-  </WelcomeItem>
-
-  <WelcomeItem>
-    <template #icon>
-      <CommunityIcon />
-    </template>
-    <template #heading>Community</template>
-
-    Got stuck? Ask your question on
-    <a href="https://chat.vuejs.org" target="_blank" rel="noopener">Vue Land</a>
-    (our official Discord server), or
-    <a href="https://stackoverflow.com/questions/tagged/vue.js" target="_blank" rel="noopener"
-      >StackOverflow</a
-    >. You should also follow the official
-    <a href="https://bsky.app/profile/vuejs.org" target="_blank" rel="noopener">@vuejs.org</a>
-    Bluesky account or the
-    <a href="https://x.com/vuejs" target="_blank" rel="noopener">@vuejs</a>
-    X 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 href="https://vuejs.org/sponsor/" target="_blank" rel="noopener">becoming a sponsor</a>.
-  </WelcomeItem>
-</template>
diff --git a/front/src/components/WelcomeItem.vue b/front/src/components/WelcomeItem.vue
deleted file mode 100644
index 6d7086a..0000000
--- a/front/src/components/WelcomeItem.vue
+++ /dev/null
@@ -1,87 +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;
-  position: relative;
-}
-
-.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>
diff --git a/front/src/router/index.ts b/front/src/router/index.ts
index 3e49915..29788a1 100644
--- a/front/src/router/index.ts
+++ b/front/src/router/index.ts
@@ -9,14 +9,6 @@ const router = createRouter({
       name: 'home',
       component: HomeView,
     },
-    {
-      path: '/about',
-      name: 'about',
-      // route level code-splitting
-      // this generates a separate chunk (About.[hash].js) for this route
-      // which is lazy-loaded when the route is visited.
-      component: () => import('../views/AboutView.vue'),
-    },
   ],
 })
 
diff --git a/front/src/views/AboutView.vue b/front/src/views/AboutView.vue
deleted file mode 100644
index 756ad2a..0000000
--- a/front/src/views/AboutView.vue
+++ /dev/null
@@ -1,15 +0,0 @@
-<template>
-  <div class="about">
-    <h1>This is an about page</h1>
-  </div>
-</template>
-
-<style>
-@media (min-width: 1024px) {
-  .about {
-    min-height: 100vh;
-    display: flex;
-    align-items: center;
-  }
-}
-</style>
diff --git a/front/src/views/HomeView.vue b/front/src/views/HomeView.vue
index d5c0217..d700cce 100644
--- a/front/src/views/HomeView.vue
+++ b/front/src/views/HomeView.vue
@@ -1,9 +1,8 @@
 <script setup lang="ts">
-import TheWelcome from '../components/TheWelcome.vue'
 </script>
 
 <template>
   <main>
-    <TheWelcome />
+    测试
   </main>
 </template>
diff --git a/node_modules/.cache/prettier/.prettier-caches/50da7ce67bd962603339294473825fcb212e97bd.json b/node_modules/.cache/prettier/.prettier-caches/50da7ce67bd962603339294473825fcb212e97bd.json
deleted file mode 100644
index b803400..0000000
--- a/node_modules/.cache/prettier/.prettier-caches/50da7ce67bd962603339294473825fcb212e97bd.json
+++ /dev/null
@@ -1 +0,0 @@
-{"48f50d4f0b45d23c736ce213ec5bf1eb577b72f3":{"files":{"front\\src\\components\\icons\\IconSupport.vue":["A5G9ZJ/HaagD9J4TfSTgbWS24+I=",true],"front\\src\\components\\icons\\IconDocumentation.vue":["KZwLZ/+6lrCYt0TrtPOzKCx0wEc=",true],"front\\src\\main.ts":["jcPOPc4xsc2SOGAZvV625OJ8I5g=",true],"front\\src\\components\\icons\\IconCommunity.vue":["sMZARSR4baiVE1IwfngcrBKtDFQ=",true],"front\\src\\assets\\base.css":["DYMuDadIR7WtNtFn9+6U4srN2xc=",true],"front\\src\\components\\icons\\IconTooling.vue":["phoFaN9D+h1PtQpnMpDnnNOOZdA=",true],"front\\src\\components\\icons\\IconEcosystem.vue":["tDOTdzfiwTXNdODub5ltQUl3dUA=",true],"front\\src\\stores\\counter.ts":["/7N/9sYfRkVC44cxg3HbiPSOPX8=",true],"front\\src\\assets\\main.css":["xqS/3PTh6C5M2LuZkrf4NjStADE=",true],"front\\src\\views\\AboutView.vue":["QjpeM5lrxjkCF5/41cWI2s35X+o=",true],"front\\src\\components\\__tests__\\HelloWorld.spec.ts":["ZyMjk669SfWhmm/lSTGRVETjJec=",true],"front\\src\\router\\index.ts":["XET/BsaTeel5fl2w0V+8yPrE2aI=",true],"front\\src\\views\\HomeView.vue":["9wWTSFupajNdqzizLBm5pWZncsQ=",true],"front\\src\\components\\WelcomeItem.vue":["p1+IOWNjUOTPgpzYMi0c2/1gsOQ=",true],"front\\src\\App.vue":["II8k+UMuwKBTvNYjLas5OZ+3ZlA=",true],"front\\src\\components\\HelloWorld.vue":["SNTtu+2UYwKLzucvBVYpbcqwKEw=",true],"front\\src\\components\\TheWelcome.vue":["JfcGMlZ6pGL+Blo9px5s89DLcVw=",true]},"modified":1773902661267}}
\ No newline at end of file