diff --git a/src/components/code-editor.vue b/src/components/code-editor.vue
index 346ae82..7b43ece 100644
--- a/src/components/code-editor.vue
+++ b/src/components/code-editor.vue
@@ -15,24 +15,62 @@ import {
 export default {
   props: {
     lang: { type: String, default: 'vue' },
-    code: String
+    code: ''
+  },
+
+  watch: {
+    code(v) {
+      let doc = this.$view.state.doc
+
+      this.$view.dispatch({
+        changes: {
+          from: 0,
+          to: doc.length,
+          insert: v
+        }
+      })
+    }
   },
 
   mounted() {
+    let lang = this.lang
+    this.$last = this.code
+
     this.$view = new EditorView({
       doc: this.code,
-      extensions: minimalSetup(vue(), EditorView.lineWrapping),
+      extensions: minimalSetup(
+        lang === 'html'
+          ? html()
+          : lang === 'js'
+          ? javascript()
+          : lang === 'css'
+          ? css()
+          : vue(),
+        EditorView.lineWrapping,
+        // 监听代码变化
+        EditorView.updateListener.of(v => {
+          let value = v.state.doc.toString().trim()
+          if (!this.$last || value === this.$last) {
+            this.$last = value
+            return
+          }
+          this.$last = value
+          this.$emit('change', value, lang)
+        })
+      ),
       parent: this.$refs.container
     })
-  }
+  },
+
+  methods: {}
 }
 </script>
 
 <style>
 .container {
-  width: 50%;
+  width: 100%;
+  height: 100%;
   flex-shrink: 0;
-  border-right: 1px solid var(--color-plain-2);
 }
 .cm-editor {
   width: 100%;
diff --git a/src/pages/@wcui/docs/main.js b/src/pages/@wcui/docs/main.js
index d09c13b..4b7cc35 100644
--- a/src/pages/@wcui/docs/main.js
+++ b/src/pages/@wcui/docs/main.js
@@ -1,10 +1,11 @@
 import { createApp } from 'vue'
 import App from './app.vue'
 
-// import '//jscdn.ink/@bd/ui/latest/form/index.js'
 import '//jscdn.ink/@bd/ui/latest/form/index.js'
 import '//jscdn.ink/@bd/ui/latest/markd/index.js'
 import '//jscdn.ink/@bd/ui/latest/sandbox/index.js'
+// import '//127.0.0.1:8090/dist/markd/index.js'
+// import '//127.0.0.1:8090/dist/sandbox/index.js'
 
 const app = createApp(App)
 
diff --git a/src/pages/@wcui/index/app.vue b/src/pages/@wcui/index/app.vue
index 9548c15..4777152 100644
--- a/src/pages/@wcui/index/app.vue
+++ b/src/pages/@wcui/index/app.vue
@@ -1,98 +1,77 @@
 <template>
   <Topbar />
 
-  <banner class="banner flex-ac">
-    <div class="wrapper flex-ac">
-      <h1>轻量级模块化组件库</h1>
-      <cite>一款基于Web Components, 面向未来的桌面UI组件库</cite>
-      <cite>不挑框架, 可无缝适配React, Angular, Avalon, Vue, jQuery...</cite>
-      <cite>网站快速成型工具</cite>
+  <banner class="banner">
+    <div class="wrapper">
+      <section class="slogen">
+        <h1>轻量级模块化组件库</h1>
+        <cite>一款基于Web Components, 面向未来的桌面UI组件库</cite>
+        <cite>不挑框架, 可无缝适配React, Angular, Avalon, Vue, jQuery...</cite>
+        <cite>网站快速成型工具</cite>
+        <wc-space gap="xxxl">
+          <wc-button size="xl" round solid @click="navto('/@wcui/docs.html')"
+            >开始使用</wc-button
+          >
+          <wc-button
+            size="xl"
+            type="secondary"
+            round
+            @click="navto('https://github.com/bd-js/wcui')"
+            >GitHub</wc-button
+          >
+        </wc-space>
+        <wc-space>
+          <img src="https://img.shields.io/npm/dt/@bd/ui.svg" />
+          <img src="https://img.shields.io/npm/v/@bd/ui.svg" />
+          <img src="https://img.shields.io/github/stars/bd-js/wcui.svg" />
+        </wc-space>
+      </section>
+
+      <div class="blur-bg"></div>
+      <svg class="line" width="1200" height="300">
+        <g>
+          <path
+            d="M20,283 C288,288 604,64 1080,16"
+            fill="none"
+            stroke="var(--color-blue-a)"
+            stroke-width="0.5"
+          />
+          <path
+            d="M424,300 C512,288 588,108 1080,23"
+            fill="none"
+            stroke="var(--color-dark-a)"
+            stroke-width="0.5"
+          />
+          <path
+            d="M234,300 C512,288 588,108 1080,63"
+            fill="none"
+            stroke="var(--color-teal-a)"
+            stroke-width="0.5"
+          />
+        </g>
+      </svg>
     </div>
   </banner>
 
-  <div class="colorful flex-ac">
-    <div class="wrapper flex-ac">
-      <header class="title">- 主题配色 -</header>
-      <section>
-        <ul class="blue">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-        <ul class="teal">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-        <ul class="green">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-        <ul class="red">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-        <ul class="orange">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-        <ul class="plain">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-        <ul class="grey">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-        <ul class="dark">
-          <li></li>
-          <li></li>
-          <li></li>
-          <li></li>
-        </ul>
-      </section>
-    </div>
-  </div>
-
-  <div class="basic-demo flex-ac">
-    <div class="wrapper flex-ac">
-      <header class="title">Buttons</header>
-      <section>
-        <wc-button type="primary">Primary Button</wc-button>
-        <wc-button type="secondary">Secondary Button</wc-button>
-        <wc-button type="info">Info Button</wc-button>
-        <wc-button type="help">Help Button</wc-button>
-      </section>
-      <section>
-        <wc-button solid>Solid Button</wc-button>
-        <wc-button solid type="success">Success Button</wc-button>
-        <wc-button solid type="warning">Warning Button</wc-button>
-        <wc-button solid type="danger">Danger Button</wc-button>
+  <div class="feature">
+    <div class="wrapper">
+      <section class="item">
+        <wc-icon name="client"></wc-icon>
+        <h3>基于原生影子节点</h3>
+        <cite>优秀的兼容性, 不挑框架。</cite>
       </section>
 
-      <header class="title">Inputs</header>
-      <section>
-        <wc-input placeholder="Normal Input"></wc-input>
-        <wc-input placeholder="Success Input" type="success"></wc-input>
-        <wc-input placeholder="Danger Input" type="danger"></wc-input>
-        <wc-input placeholder="Disabled Input" disabled></wc-input>
+      <section class="item">
+        <wc-icon name="finger-print"></wc-icon>
+        <h3>原生的隔离能力</h3>
+        <cite>无样式污染, 灵活的拓展接口</cite>
       </section>
 
-      <div class="more">
-        <wc-link type="danger" to="./docs.html">更多组件...</wc-link>
-      </div>
+      <section class="item">
+        <wc-icon name="fly"></wc-icon>
+        <h3>基于强大的@bd/core</h3>
+        <cite>Vue一样的开发体验</cite>
+      </section>
     </div>
   </div>
 
@@ -106,6 +85,11 @@ export default {
   components: {
     Topbar,
     Footer
+  },
+  methods: {
+    navto(target) {
+      location.href = target
+    }
   }
 }
 </script>
@@ -122,7 +106,7 @@ a {
 }
 
 .wrapper {
-  width: 960px;
+  width: 1024px;
 }
 
 .banner {
@@ -130,239 +114,112 @@ a {
   justify-content: center;
   align-items: center;
   height: 400px;
-  background: linear-gradient(to right bottom, #155799, #157879, #159857);
 
   .wrapper {
     display: flex;
-    flex-direction: column;
-    align-items: center;
+    justify-content: space-between;
     padding: 48px 0;
 
+    .slogen {
+      display: flex;
+      flex-direction: column;
+    }
+    .blur-bg {
+      width: 212px;
+      height: 320px;
+      border-radius: 50%;
+      background-image: linear-gradient(
+        to bottom,
+        var(--color-blue-a),
+        var(--color-dark-a) 60%
+      );
+      transform: scale(1.25);
+      filter: blur(50px);
+    }
+
+    .line {
+      position: absolute;
+      z-index: -1;
+    }
+
     h1 {
       line-height: 2;
       font-size: 38px;
       font-weight: normal;
-      color: var(--color-plain-1);
     }
     cite {
-      line-height: 2;
+      line-height: 1.75;
       font-size: 16px;
       font-style: normal;
-      color: var(--color-plain-3);
-    }
-
-    section {
-      margin-top: 64px;
-      text-align: center;
-
-      wc-button {
-        margin: 0 16px;
-      }
     }
   }
 }
-.colorful {
+
+.feature {
   display: flex;
   justify-content: center;
   align-items: center;
-  background: var(--color-plain-1);
 
   .wrapper {
-    flex-direction: column;
-    padding: 32px 0;
+    display: flex;
+    justify-content: space-between;
+    padding: 64px 0;
 
-    .title {
-      position: relative;
-      line-height: 3;
-      font-size: 26px;
-      text-align: center;
-      color: var(--color-grey-2);
-    }
-
-    section {
+    .item {
       display: flex;
-      justify-content: space-between;
-      margin-bottom: 32px;
+      flex-direction: column;
+      width: 300px;
+      height: 160px;
+      padding: 16px;
+      border-radius: 8px;
+      background: #f7f8fb;
+      box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
+      transition: background 0.2s ease-in-out, transform 0.2s ease-in-out;
 
-      ul {
-        flex: 1;
-        display: flex;
-        flex-direction: column;
-        justify-content: flex-end;
-      }
-      li {
-        height: 56px;
-        box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.03);
+      &:hover {
+        background: #fff;
+        transform: translateY(-5px);
       }
 
-      ul:nth-child(2),
-      ul:nth-child(5) {
-        li {
-          height: 48px;
-        }
-      }
-      ul:nth-child(3),
-      ul:nth-child(7) {
-        li {
-          height: 52px;
-        }
-      }
-    }
-
-    .blue {
-      li:nth-child(1) {
-        background: var(--color-blue-a);
-      }
-      li:nth-child(2) {
-        background: var(--color-blue-1);
-      }
-      li:nth-child(3) {
-        background: var(--color-blue-2);
-      }
-      li:nth-child(4) {
-        background: var(--color-blue-3);
-      }
-    }
-    .teal {
-      li:nth-child(1) {
-        background: var(--color-teal-a);
-      }
-      li:nth-child(2) {
-        background: var(--color-teal-1);
-      }
-      li:nth-child(3) {
-        background: var(--color-teal-2);
-      }
-      li:nth-child(4) {
-        background: var(--color-teal-3);
-      }
-    }
-    .green {
-      li:nth-child(1) {
-        background: var(--color-green-a);
-      }
-      li:nth-child(2) {
-        background: var(--color-green-1);
-      }
-      li:nth-child(3) {
-        background: var(--color-green-2);
-      }
-      li:nth-child(4) {
-        background: var(--color-green-3);
-      }
-    }
-    .red {
-      li:nth-child(1) {
-        background: var(--color-red-a);
-      }
-      li:nth-child(2) {
-        background: var(--color-red-1);
-      }
-      li:nth-child(3) {
-        background: var(--color-red-2);
-      }
-      li:nth-child(4) {
-        background: var(--color-red-3);
-      }
-    }
-    .orange {
-      li:nth-child(1) {
-        background: var(--color-orange-a);
-      }
-      li:nth-child(2) {
-        background: var(--color-orange-1);
-      }
-      li:nth-child(3) {
-        background: var(--color-orange-2);
-      }
-      li:nth-child(4) {
-        background: var(--color-orange-3);
-      }
-    }
-    .plain {
-      li:nth-child(1) {
-        background: #f7f8fb;
-      }
-      li:nth-child(2) {
-        background: var(--color-plain-1);
-      }
-      li:nth-child(3) {
+      wc-icon {
+        width: 64px;
+        height: 64px;
+        padding: 8px;
+        border-radius: 6px;
         background: var(--color-plain-2);
       }
-      li:nth-child(4) {
-        background: var(--color-plain-3);
+      h3 {
+        margin-top: 16px;
+        line-height: 2;
+        font-size: 16px;
+        font-weight: normal;
       }
-    }
-    .grey {
-      li:nth-child(1) {
-        background: var(--color-grey-a);
-      }
-      li:nth-child(2) {
-        background: var(--color-grey-1);
-      }
-      li:nth-child(3) {
-        background: var(--color-grey-2);
-      }
-      li:nth-child(4) {
-        background: var(--color-grey-3);
-      }
-    }
-    .dark {
-      li:nth-child(1) {
-        background: var(--color-dark-a);
-      }
-      li:nth-child(2) {
-        background: var(--color-dark-1);
-      }
-      li:nth-child(3) {
-        background: var(--color-dark-2);
-      }
-      li:nth-child(4) {
-        background: var(--color-dark-3);
+
+      cite {
+        font-size: 13px;
+        color: var(--color-grey-3);
       }
     }
   }
 }
 
-.basic-demo {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-
+@media screen and (min-width: 1440px) {
   .wrapper {
-    flex-direction: column;
-    padding: 32px 0;
+    width: 1200px;
+  }
 
-    .title {
-      line-height: 2;
-      font-size: 22px;
-      color: var(--color-grey-2);
+  .banner .wrapper {
+    h1 {
+      font-size: 46px;
     }
 
-    section {
-      display: flex;
-      justify-content: space-between;
-      margin-bottom: 32px;
-
-      wc-button,
-      wc-input {
-        flex: 1;
-        margin: 0 16px;
-      }
+    cite {
+      font-size: 18px;
     }
 
-    .more {
-      text-align: center;
-      a {
-        display: inline-flex;
-        padding: 4px 16px;
-        border-radius: 6px;
-        box-shadow: 0 0 5px rgba(0, 0, 0, 0.06);
-
-        &:hover {
-          color: var(--color-red-1);
-        }
-      }
+    wc-button {
+      width: 160px;
+      height: 48px;
     }
   }
 }
diff --git a/src/pages/@wcui/index/components/footer.vue b/src/pages/@wcui/index/components/footer.vue
index d2058d4..7cd4543 100644
--- a/src/pages/@wcui/index/components/footer.vue
+++ b/src/pages/@wcui/index/components/footer.vue
@@ -2,7 +2,7 @@
   <footer class="footer">
     <div class="wrapper">
       <section class="nav">
-        <a href="/">@bdjs 首页</a> |
+        <a href="/">bd.js 首页</a> |
         <a
           href="https://github.com/bd-js/wcui/blob/master/LICENSE"
           target="_blank"
@@ -30,7 +30,7 @@ export default {}
   display: flex;
   justify-content: center;
   align-items: center;
-  height: 260px;
+  height: 240px;
   border-top: 1px solid var(--color-plain-3);
 
   .wrapper {
diff --git a/src/pages/@wcui/index/components/topbar.vue b/src/pages/@wcui/index/components/topbar.vue
index 0b3781a..2ca9a8a 100644
--- a/src/pages/@wcui/index/components/topbar.vue
+++ b/src/pages/@wcui/index/components/topbar.vue
@@ -8,6 +8,7 @@
     <nav class="menu">
       <a :class="{ active: nav === 'index' }" href="./index.html">主页</a>
       <a :class="{ active: nav === 'docs' }" href="./docs.html">文档</a>
+      <a href="/playground.html">试一试</a>
       <a target="_blank" href="https://github.com/bd-js/wcui"
         ><img class="github" src="/assets/github.svg" alt="Web Components"
       /></a>
diff --git a/src/pages/@wcui/index/main.js b/src/pages/@wcui/index/main.js
index f81dc60..d192ea2 100644
--- a/src/pages/@wcui/index/main.js
+++ b/src/pages/@wcui/index/main.js
@@ -1,7 +1,8 @@
 import { createApp } from 'vue'
 import App from './app.vue'
 
-import '//jscdn.ink/@bd/ui/0.1.3/form/index.js'
+import '//jscdn.ink/@bd/ui/latest/space/index.js'
+import '//jscdn.ink/@bd/ui/latest/form/index.js'
 
 const app = createApp(App)
 
diff --git a/src/pages/playground/app.vue b/src/pages/playground/app.vue
index 086bb3e..d8679bd 100644
--- a/src/pages/playground/app.vue
+++ b/src/pages/playground/app.vue
@@ -1,8 +1,18 @@
 <template>
   <Topbar />
   <div class="playground">
-    <CodeEditor :code="code" />
-    <Preview />
+    <wc-tabs class="editor">
+      <wc-tab label="html" name="html">
+        <CodeEditor lang="html" :code="html" @change="updateCode" />
+      </wc-tab>
+      <wc-tab label="javascript" name="js">
+        <CodeEditor lang="js" :code="js" @change="updateCode" />
+      </wc-tab>
+      <wc-tab label="css" name="css">
+        <CodeEditor lang="css" :code="css" @change="updateCode" />
+      </wc-tab>
+    </wc-tabs>
+    <Preview :code="preview" />
   </div>
 </template>
 
@@ -11,36 +21,105 @@ import CodeEditor from '@/components/code-editor.vue'
 import Topbar from './views/topbar.vue'
 import Preview from './views/preview.vue'
 
-export default {
-  components: { Topbar, CodeEditor, Preview },
-  data() {
-    return {
-      code: `<!doctype html>
+import { gzip, ungzip } from '@bytedo/gzip'
+
+const template = `<!doctype html>
 <html lang="zh-CN">
 <head>
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-  <title>{{title}}</title>
-  <meta name="keywords" content="{{keywords}}">
-  <meta name="description" content="{{description}}">
-  <link rel="stylesheet" href="//jscdn.ink/@bytedo/wcui/1.0.12/css/reset-basic.css">
+  <link rel="stylesheet" href="//jscdn.ink/@bd/ui/latest/css/reset-basic.css">
+  {{css}}
   <script async src="//jscdn.ink/es-module-shims/1.6.3/es-module-shims.wasm.js"><\/script>
-  <script type="importmap">{{importmap}}<\/script>
-<\/head>
+  <script type="importmap">${JSON.stringify({
+    imports: {
+      vue: '//jscdn.ink/vue/3.2.47/vue.runtime.esm-browser.prod.js',
+      'vue-router': '//jscdn.ink/@bytedo/vue-router/4.1.6/vue-router.js',
+      fetch: '//jscdn.ink/@bytedo/fetch/latest/next.js',
+      '@bytedo/editor': '//jscdn.ink/@bytedo/editor/latest/index.js',
+      '@bytedo/gzip': '//jscdn.ink/@bytedo/gzip/latest/index.js',
+      '@bd/core': '//jscdn.ink/@bd/core/latest/index.js'
+    }
+  })}<\/script>
+  <script type="module">
+  {{js}}
+  <\/script>
+</head>
 <body>
-  <div class="app noselect"></div>
-  <script src="main.js"><\/script>
+  {{html}}
 <\/body>
 <\/html>
 `
+
+export default {
+  components: { Topbar, CodeEditor, Preview },
+  data() {
+    return {
+      html: '',
+      js: '',
+      css: '',
+      preview: ''
+    }
+  },
+
+  mounted() {
+    //
+    this.$needUpdate = true
+
+    window.addEventListener('hashchange', ev => {
+      this.handleHashChange()
+    })
+    this.handleHashChange()
+  },
+
+  methods: {
+    handleHashChange() {
+      if (this.$needUpdate) {
+        let code = location.hash.slice(1)
+        if (code) {
+          try {
+            code = ungzip(code)
+            code = JSON.parse(code)
+          } catch (e) {}
+        }
+
+        this.html = code.html
+        this.js = code.js
+        this.css = code.css
+        this.updatePreview()
+      }
+      this.$needUpdate = true
+    },
+
+    updateCode(code, lang) {
+      this[lang] = code
+      this.updatePreview(true)
+    },
+    updatePreview(sync) {
+      let { html, js, css } = this
+
+      if (sync) {
+        let code = gzip(JSON.stringify({ html, js, css }))
+        this.$needUpdate = false
+        location.hash = code
+      }
+
+      this.preview = template
+        .replace('{{css}}', css)
+        .replace('{{html}}', html)
+        .replace('{{js}}', js)
     }
   }
 }
 </script>
 
 <style lang="scss">
-.app {
+body {
+  line-height: 1.5;
+  font-size: 14px;
+}
+#app {
   display: flex;
   flex-direction: column;
   height: 100vh;
@@ -48,7 +127,12 @@ export default {
 }
 
 .playground {
+  overflow: hidden;
+  flex: 1;
   display: flex;
-  height: calc(100vh - 48px);
+}
+
+.editor {
+  width: 50%;
 }
 </style>
diff --git a/src/pages/playground/main.js b/src/pages/playground/main.js
index 9282717..4d5b942 100644
--- a/src/pages/playground/main.js
+++ b/src/pages/playground/main.js
@@ -1,4 +1,12 @@
+/**
+ * {}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2023/04/26 18:28:13
+ */
+
 import { createApp } from 'vue'
+import '//jscdn.ink/@bd/ui/latest/tabs/index.js'
+
 import App from './app.vue'
 
 import store from './store'
diff --git a/src/pages/playground/views/preview.vue b/src/pages/playground/views/preview.vue
index 7458b74..3a2b2da 100644
--- a/src/pages/playground/views/preview.vue
+++ b/src/pages/playground/views/preview.vue
@@ -1,12 +1,66 @@
 <template>
-  <main class="preview"></main>
+  <main class="preview">
+    <div class="loading">
+      <span class="thumb" :style="{ width: progress + '%' }"></span>
+    </div>
+    <iframe class="web" ref="preview"></iframe>
+  </main>
 </template>
 
 <script>
+import { nextTick } from 'vue'
+
+let startTime = 0
+
 export default {
+  props: {
+    code: ''
+  },
+
   data() {
     return {
-      content: '欢迎访问~~ 这是首页'
+      progress: 0
+    }
+  },
+
+  watch: {
+    code(v) {
+      // console.log(v)
+      this.updatePreview(v)
+    }
+  },
+
+  methods: {
+    loading(stamp) {
+      if (startTime === 0) {
+        startTime = stamp
+      }
+
+      let _time = stamp - startTime
+
+      // _time / 2000 * 100 %
+      this.progress = ~~(_time / 20)
+
+      if (_time > 2000) {
+        this.progress = 0
+        let doc = this.$refs.preview.contentDocument
+
+        try {
+          doc.open()
+          doc.write(this.code)
+          doc.close()
+        } catch (e) {}
+        return
+      }
+
+      requestAnimationFrame(this.loading)
+    },
+
+    updatePreview(html) {
+      startTime = 0
+      this.progress = 0
+
+      requestAnimationFrame(this.loading)
     }
   }
 }
@@ -14,7 +68,42 @@ export default {
 
 <style lang="scss" scoped>
 .preview {
-  width: 50%;
+  position: relative;
   flex-shrink: 0;
+  width: 50%;
+  border-left: 1px solid var(--color-plain-2);
+}
+.web {
+  width: 100%;
+  height: 100%;
+  border: 0;
+}
+.loading {
+  position: absolute;
+  top: 0;
+  left: 0;
+  display: flex;
+  width: 100%;
+  height: 1px;
+
+  .thumb {
+    width: 0;
+    height: 1px;
+    background: var(--color-blue-1);
+    box-shadow: 0 0 5px var(--color-blue-1);
+
+    &.loading {
+      animation: loading 3s linear;
+    }
+  }
+}
+
+@keyframes loading {
+  from {
+    width: 0%;
+  }
+  to {
+    width: 100%;
+  }
 }
 </style>
diff --git a/src/pages/playground/views/topbar.vue b/src/pages/playground/views/topbar.vue
index 411edb9..7c9f69a 100644
--- a/src/pages/playground/views/topbar.vue
+++ b/src/pages/playground/views/topbar.vue
@@ -1,8 +1,13 @@
 <template>
   <header class="topbar noselect">
-    <a class="logo">@bd/ui playground</a>
+    <a class="logo">@bd.js playground</a>
 
-    <a class="github" href="//github.com/bd-js/wcui" target="_blank">github</a>
+    <span class="group">
+      <a class="link" href="/@wcui/index.html">返回首页</a>
+      <a class="link" href="//github.com/bd-js" target="_blank">
+        <img class="github" src="/assets/github.svg" alt="Web Components" />
+      </a>
+    </span>
   </header>
 </template>
 
@@ -32,7 +37,18 @@ export default {
   color: var(--color-red-2);
 }
 
-.github {
+.group {
+  display: inline-flex;
+  align-items: center;
+}
+
+.link {
+  display: inline-flex;
+  margin-left: 16px;
   color: var(--color-dark-1);
+  img {
+    width: 18px;
+    height: 18px;
+  }
 }
 </style>