diff --git a/package.json b/package.json
index ee9648b3435c4332e232b747ec5d9abdf8725424..12074d15bbb2d7437887636428374948e35cd0d5 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "preview": "vite preview --port 4173"
   },
   "dependencies": {
+    "element-plus": "^2.8.2",
     "guess": "^1.0.2",
     "vue": "^3.2.37"
   },
diff --git a/src/App.vue b/src/App.vue
index 633a5dfe4e547c48bfa93740a290ba5ba370930a..a8b52a39e05f6429a0a8495af25420e5ee774bc7 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,20 +1,10 @@
 <script setup>
-import HelloWorld from './components/HelloWorld.vue'
-import TheWelcome from './components/TheWelcome.vue'
+import Tree from '../src/compinents/tree.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!" />
-    </div>
-  </header>
-
-  <main>
-    <TheWelcome />
-  </main>
+ <Tree/npm install element-plus --save
+>
 </template>
 
 <style scoped>
diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
deleted file mode 100644
index 1b8faac1521345513353e96050dd24d94610d432..0000000000000000000000000000000000000000
--- a/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,43 +0,0 @@
-<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>
-</template>
-
-<style scoped>
-h1 {
-  font-weight: 500;
-  font-size: 2.6rem;
-  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/src/components/TheWelcome.vue b/src/components/TheWelcome.vue
deleted file mode 100644
index d3d2e7acc8a9deeb26e48169ee3cbc64d2b54f2f..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 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://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>
diff --git a/src/components/icons/IconCommunity.vue b/src/components/icons/IconCommunity.vue
deleted file mode 100644
index 2dc8b055253af30fb797037e2fe260505f0cf711..0000000000000000000000000000000000000000
--- a/src/components/icons/IconCommunity.vue
+++ /dev/null
@@ -1,7 +0,0 @@
-<template>
-  <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor">
-    <path
-      d="M15 4a1 1 0 1 0 0 2V4zm0 11v-1a1 1 0 0 0-1 1h1zm0 4l-.707.707A1 1 0 0 0 16 19h-1zm-4-4l.707-.707A1 1 0 0 0 11 14v1zm-4.707-1.293a1 1 0 0 0-1.414 1.414l1.414-1.414zm-.707.707l-.707-.707.707.707zM9 11v-1a1 1 0 0 0-.707.293L9 11zm-4 0h1a1 1 0 0 0-1-1v1zm0 4H4a1 1 0 0 0 1.707.707L5 15zm10-9h2V4h-2v2zm2 0a1 1 0 0 1 1 1h2a3 3 0 0 0-3-3v2zm1 1v6h2V7h-2zm0 6a1 1 0 0 1-1 1v2a3 3 0 0 0 3-3h-2zm-1 1h-2v2h2v-2zm-3 1v4h2v-4h-2zm1.707 3.293l-4-4-1.414 1.414 4 4 1.414-1.414zM11 14H7v2h4v-2zm-4 0c-.276 0-.525-.111-.707-.293l-1.414 1.414C5.42 15.663 6.172 16 7 16v-2zm-.707 1.121l3.414-3.414-1.414-1.414-3.414 3.414 1.414 1.414zM9 12h4v-2H9v2zm4 0a3 3 0 0 0 3-3h-2a1 1 0 0 1-1 1v2zm3-3V3h-2v6h2zm0-6a3 3 0 0 0-3-3v2a1 1 0 0 1 1 1h2zm-3-3H3v2h10V0zM3 0a3 3 0 0 0-3 3h2a1 1 0 0 1 1-1V0zM0 3v6h2V3H0zm0 6a3 3 0 0 0 3 3v-2a1 1 0 0 1-1-1H0zm3 3h2v-2H3v2zm1-1v4h2v-4H4zm1.707 4.707l.586-.586-1.414-1.414-.586.586 1.414 1.414z"
-    />
-  </svg>
-</template>
diff --git a/src/components/icons/IconDocumentation.vue b/src/components/icons/IconDocumentation.vue
deleted file mode 100644
index 6d4791cfbcf2782b3e5ffbabd042d4c47b2fbbed..0000000000000000000000000000000000000000
--- a/src/components/icons/IconDocumentation.vue
+++ /dev/null
@@ -1,7 +0,0 @@
-<template>
-  <svg xmlns="http://www.w3.org/2000/svg" width="20" height="17" fill="currentColor">
-    <path
-      d="M11 2.253a1 1 0 1 0-2 0h2zm-2 13a1 1 0 1 0 2 0H9zm.447-12.167a1 1 0 1 0 1.107-1.666L9.447 3.086zM1 2.253L.447 1.42A1 1 0 0 0 0 2.253h1zm0 13H0a1 1 0 0 0 1.553.833L1 15.253zm8.447.833a1 1 0 1 0 1.107-1.666l-1.107 1.666zm0-14.666a1 1 0 1 0 1.107 1.666L9.447 1.42zM19 2.253h1a1 1 0 0 0-.447-.833L19 2.253zm0 13l-.553.833A1 1 0 0 0 20 15.253h-1zm-9.553-.833a1 1 0 1 0 1.107 1.666L9.447 14.42zM9 2.253v13h2v-13H9zm1.553-.833C9.203.523 7.42 0 5.5 0v2c1.572 0 2.961.431 3.947 1.086l1.107-1.666zM5.5 0C3.58 0 1.797.523.447 1.42l1.107 1.666C2.539 2.431 3.928 2 5.5 2V0zM0 2.253v13h2v-13H0zm1.553 13.833C2.539 15.431 3.928 15 5.5 15v-2c-1.92 0-3.703.523-5.053 1.42l1.107 1.666zM5.5 15c1.572 0 2.961.431 3.947 1.086l1.107-1.666C9.203 13.523 7.42 13 5.5 13v2zm5.053-11.914C11.539 2.431 12.928 2 14.5 2V0c-1.92 0-3.703.523-5.053 1.42l1.107 1.666zM14.5 2c1.573 0 2.961.431 3.947 1.086l1.107-1.666C18.203.523 16.421 0 14.5 0v2zm3.5.253v13h2v-13h-2zm1.553 12.167C18.203 13.523 16.421 13 14.5 13v2c1.573 0 2.961.431 3.947 1.086l1.107-1.666zM14.5 13c-1.92 0-3.703.523-5.053 1.42l1.107 1.666C11.539 15.431 12.928 15 14.5 15v-2z"
-    />
-  </svg>
-</template>
diff --git a/src/components/icons/IconEcosystem.vue b/src/components/icons/IconEcosystem.vue
deleted file mode 100644
index c3a4f078c0bd340a33c61ea9ecd8a755d03571ed..0000000000000000000000000000000000000000
--- a/src/components/icons/IconEcosystem.vue
+++ /dev/null
@@ -1,7 +0,0 @@
-<template>
-  <svg xmlns="http://www.w3.org/2000/svg" width="18" height="20" fill="currentColor">
-    <path
-      d="M11.447 8.894a1 1 0 1 0-.894-1.789l.894 1.789zm-2.894-.789a1 1 0 1 0 .894 1.789l-.894-1.789zm0 1.789a1 1 0 1 0 .894-1.789l-.894 1.789zM7.447 7.106a1 1 0 1 0-.894 1.789l.894-1.789zM10 9a1 1 0 1 0-2 0h2zm-2 2.5a1 1 0 1 0 2 0H8zm9.447-5.606a1 1 0 1 0-.894-1.789l.894 1.789zm-2.894-.789a1 1 0 1 0 .894 1.789l-.894-1.789zm2 .789a1 1 0 1 0 .894-1.789l-.894 1.789zm-1.106-2.789a1 1 0 1 0-.894 1.789l.894-1.789zM18 5a1 1 0 1 0-2 0h2zm-2 2.5a1 1 0 1 0 2 0h-2zm-5.447-4.606a1 1 0 1 0 .894-1.789l-.894 1.789zM9 1l.447-.894a1 1 0 0 0-.894 0L9 1zm-2.447.106a1 1 0 1 0 .894 1.789l-.894-1.789zm-6 3a1 1 0 1 0 .894 1.789L.553 4.106zm2.894.789a1 1 0 1 0-.894-1.789l.894 1.789zm-2-.789a1 1 0 1 0-.894 1.789l.894-1.789zm1.106 2.789a1 1 0 1 0 .894-1.789l-.894 1.789zM2 5a1 1 0 1 0-2 0h2zM0 7.5a1 1 0 1 0 2 0H0zm8.553 12.394a1 1 0 1 0 .894-1.789l-.894 1.789zm-1.106-2.789a1 1 0 1 0-.894 1.789l.894-1.789zm1.106 1a1 1 0 1 0 .894 1.789l-.894-1.789zm2.894.789a1 1 0 1 0-.894-1.789l.894 1.789zM8 19a1 1 0 1 0 2 0H8zm2-2.5a1 1 0 1 0-2 0h2zm-7.447.394a1 1 0 1 0 .894-1.789l-.894 1.789zM1 15H0a1 1 0 0 0 .553.894L1 15zm1-2.5a1 1 0 1 0-2 0h2zm12.553 2.606a1 1 0 1 0 .894 1.789l-.894-1.789zM17 15l.447.894A1 1 0 0 0 18 15h-1zm1-2.5a1 1 0 1 0-2 0h2zm-7.447-5.394l-2 1 .894 1.789 2-1-.894-1.789zm-1.106 1l-2-1-.894 1.789 2 1 .894-1.789zM8 9v2.5h2V9H8zm8.553-4.894l-2 1 .894 1.789 2-1-.894-1.789zm.894 0l-2-1-.894 1.789 2 1 .894-1.789zM16 5v2.5h2V5h-2zm-4.553-3.894l-2-1-.894 1.789 2 1 .894-1.789zm-2.894-1l-2 1 .894 1.789 2-1L8.553.106zM1.447 5.894l2-1-.894-1.789-2 1 .894 1.789zm-.894 0l2 1 .894-1.789-2-1-.894 1.789zM0 5v2.5h2V5H0zm9.447 13.106l-2-1-.894 1.789 2 1 .894-1.789zm0 1.789l2-1-.894-1.789-2 1 .894 1.789zM10 19v-2.5H8V19h2zm-6.553-3.894l-2-1-.894 1.789 2 1 .894-1.789zM2 15v-2.5H0V15h2zm13.447 1.894l2-1-.894-1.789-2 1 .894 1.789zM18 15v-2.5h-2V15h2z"
-    />
-  </svg>
-</template>
diff --git a/src/components/icons/IconSupport.vue b/src/components/icons/IconSupport.vue
deleted file mode 100644
index 7452834d3ef961ce24c3a072ddba2620b6158bae..0000000000000000000000000000000000000000
--- a/src/components/icons/IconSupport.vue
+++ /dev/null
@@ -1,7 +0,0 @@
-<template>
-  <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor">
-    <path
-      d="M10 3.22l-.61-.6a5.5 5.5 0 0 0-7.666.105 5.5 5.5 0 0 0-.114 7.665L10 18.78l8.39-8.4a5.5 5.5 0 0 0-.114-7.665 5.5 5.5 0 0 0-7.666-.105l-.61.61z"
-    />
-  </svg>
-</template>
diff --git a/src/components/icons/IconTooling.vue b/src/components/icons/IconTooling.vue
deleted file mode 100644
index 660598d7c76644ffe126a1a1feb1606650bfb937..0000000000000000000000000000000000000000
--- a/src/components/icons/IconTooling.vue
+++ /dev/null
@@ -1,19 +0,0 @@
-<!-- This icon is from <https://github.com/Templarian/MaterialDesign>, distributed under Apache 2.0 (https://www.apache.org/licenses/LICENSE-2.0) license-->
-<template>
-  <svg
-    xmlns="http://www.w3.org/2000/svg"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
-    aria-hidden="true"
-    role="img"
-    class="iconify iconify--mdi"
-    width="24"
-    height="24"
-    preserveAspectRatio="xMidYMid meet"
-    viewBox="0 0 24 24"
-  >
-    <path
-      d="M20 18v-4h-3v1h-2v-1H9v1H7v-1H4v4h16M6.33 8l-1.74 4H7v-1h2v1h6v-1h2v1h2.41l-1.74-4H6.33M9 5v1h6V5H9m12.84 7.61c.1.22.16.48.16.8V18c0 .53-.21 1-.6 1.41c-.4.4-.85.59-1.4.59H4c-.55 0-1-.19-1.4-.59C2.21 19 2 18.53 2 18v-4.59c0-.32.06-.58.16-.8L4.5 7.22C4.84 6.41 5.45 6 6.33 6H7V5c0-.55.18-1 .57-1.41C7.96 3.2 8.44 3 9 3h6c.56 0 1.04.2 1.43.59c.39.41.57.86.57 1.41v1h.67c.88 0 1.49.41 1.83 1.22l2.34 5.39z"
-      fill="currentColor"
-    ></path>
-  </svg>
-</template>
diff --git a/src/components/tree.vue b/src/components/tree.vue
new file mode 100644
index 0000000000000000000000000000000000000000..2f4b8ad3a9c44111d9aa8135949b4f16e0bd5d57
--- /dev/null
+++ b/src/components/tree.vue
@@ -0,0 +1,146 @@
+<template>
+  <div id="app">
+    <el-button type="primary" @click="addNode">添加节点</el-button>
+    <el-table :data="flatTableData" style="width: 100%">
+      <el-table-column prop="name" label="名称" width="180">
+        <template #default="scope">
+          <el-button type="text" @click="toggle(scope.row)">
+            <i :class="scope.row.children ? (scope.row.expanded ? 'el-icon-minus' : 'el-icon-plus') : ''"></i>
+            {{ scope.row.name }}
+          </el-button>
+        </template>
+      </el-table-column>
+      <el-table-column prop="description" label="描述"></el-table-column>
+      <el-table-column label="操作">
+        <template #default="scope">
+          <el-button type="text" @click="editNode(scope.row)">编辑</el-button>
+          <el-button type="text" @click="deleteNode(scope.row)">删除</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-dialog :visible.sync="dialogVisible" title="编辑节点">
+      <el-form :model="currentNode">
+        <el-form-item label="名称">
+          <el-input v-model="currentNode.name"></el-input>
+        </el-form-item>
+        <el-form-item label="描述">
+          <el-input v-model="currentNode.description"></el-input>
+        </el-form-item>
+      </el-form>
+      <div slot="footer" class="dialog-footer">
+        <el-button @click="dialogVisible = false">取消</el-button>
+        <el-button type="primary" @click="saveNode">保存</el-button>
+      </div>
+    </el-dialog>
+  </div>
+</template>
+
+<script>
+import { ref, reactive, computed } from 'vue';
+
+export default {
+  setup() {
+    const tableData = reactive([
+      {
+        name: '节点1',
+        description: '描述1',
+        expanded: false,
+        children: [
+          { name: '子节点1.1', description: '描述1.1' },
+          { name: '子节点1.2', description: '描述1.2' }
+        ]
+      },
+      {
+        name: '节点2',
+        description: '描述2',
+        expanded: false,
+        children: [
+          { name: '子节点2.1', description: '描述2.1' }
+        ]
+      }
+    ]);
+
+    const dialogVisible = ref(false);
+    const currentNode = reactive({ name: '', description: '', children: [] });
+    const isNewNode = ref(false);
+
+    const toggle = (row) => {
+      row.expanded = !row.expanded;
+      if (row.children) {
+        row.children.forEach(child => {
+          child._parent = row;
+          if (!row.expanded) {
+            child.expanded = false;
+          }
+        });
+      }
+    };
+
+    const addNode = () => {
+      currentNode.name = '';
+      currentNode.description = '';
+      currentNode.children = [];
+      isNewNode.value = true;
+      dialogVisible.value = true;
+    };
+
+    const editNode = (row) => {
+      Object.assign(currentNode, row);
+      isNewNode.value = false;
+      dialogVisible.value = true;
+    };
+
+    const saveNode = () => {
+      if (isNewNode.value) {
+        tableData.push({ ...currentNode });
+      } else {
+        const index = tableData.findIndex(node => node.name === currentNode.name);
+        if (index !== -1) {
+          tableData[index] = { ...currentNode };
+        }
+      }
+      dialogVisible.value = false;
+    };
+
+    const deleteNode = (row) => {
+      const index = tableData.indexOf(row);
+      if (index !== -1) {
+        tableData.splice(index, 1);
+      }
+    };
+
+    const flatTableData = computed(() => {
+      const flatten = (data) => {
+        return data.reduce((acc, item) => {
+          acc.push(item);
+          if (item.expanded && item.children) {
+            acc = acc.concat(flatten(item.children));
+          }
+          return acc;
+        }, []);
+      };
+      return flatten(tableData);
+    });
+
+    return {
+      tableData,
+      dialogVisible,
+      currentNode,
+      isNewNode,
+      toggle,
+      addNode,
+      editNode,
+      saveNode,
+      deleteNode,
+      flatTableData
+    };
+  }
+};
+</script>
+
+<style>
+#app {
+  padding: 20px;
+}
+</style>
\ No newline at end of file
diff --git a/vite.config.js b/vite.config.js
index 4ad898dec614e030adad5e4f80523145bce56245..818dcf89b42c98b8866240ef80d11367b8696349 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -1,6 +1,11 @@
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
+import ElementPlus from 'element-plus';
+import 'element-plus/lib/theme-chalk/index.css';
 
+
+const app = createApp(App);
+app.use(ElementPlus);
 // https://vitejs.dev/config/
 export default defineConfig({
   server: {