diff --git a/README.md b/README.md
index 895ddf131..95048b154 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
 <p>
-    <a href="https://github.com/youzan/"><img alt="有赞logo" width="36px" src="https://img.yzcdn.cn/public_files/2017/02/09/e84aa8cbbf7852688c86218c1f3bbf17.png" alt="youzan">
+    <a href="https://github.com/youzan/"><img alt="logo" width="36px" src="https://img.yzcdn.cn/public_files/2017/02/09/e84aa8cbbf7852688c86218c1f3bbf17.png" alt="youzan">
     </a>
 </p>
 <p align="center">
-    <img alt="项目logo" src="https://img.yzcdn.cn/upload_files/2017/04/20/FlkVrSlOr-SGK9qQqtilN6-IFZyT.png">
+    <img alt="logo" src="https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png" width="120" style="margin-bottom: 10px;">
 </p>
 
 <p align="center">A Vue.js 2.0 Mobile UI at YouZan</p>
diff --git a/README.zh-CN.md b/README.zh-CN.md
index a875aa2f5..1be4d94e6 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -1,9 +1,9 @@
 <p>
-    <a href="https://github.com/youzan/"><img alt="有赞logo" width="36px" src="https://img.yzcdn.cn/public_files/2017/02/09/e84aa8cbbf7852688c86218c1f3bbf17.png" alt="youzan">
+    <a href="https://github.com/youzan/"><img alt="logo" width="36px" src="https://img.yzcdn.cn/public_files/2017/02/09/e84aa8cbbf7852688c86218c1f3bbf17.png" alt="youzan">
     </a>
 </p>
 <p align="center">
-    <img alt="项目logo" src="https://img.yzcdn.cn/upload_files/2017/04/20/FlkVrSlOr-SGK9qQqtilN6-IFZyT.png">
+    <img alt="logo" src="https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png" width="120" style="margin-bottom: 10px;">
 </p>
 <p align="center">A Vue.js 2.0 Mobile UI at YouZan</p>
 
diff --git a/docs/assets/zanui.ico b/docs/assets/zanui.ico
deleted file mode 100644
index e53ed3d16..000000000
Binary files a/docs/assets/zanui.ico and /dev/null differ
diff --git a/docs/src/components/DemoList.vue b/docs/src/components/DemoList.vue
index c79a7b8f7..14d4a9b5a 100644
--- a/docs/src/components/DemoList.vue
+++ b/docs/src/components/DemoList.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="side-nav">
     <h1 class="zanui-title">
-      <img src="https://img.yzcdn.cn/public_files/2017/10/25/c2e074cd97d4d9e9b14a87b2fcb29430.png" />
+      <img src="https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png" />
       <span>Vant</span>
     </h1>
     <div class="mobile-switch-lang">
@@ -84,7 +84,7 @@ export default {
     }
 
     img {
-      width: 30px;
+      width: 36px;
     }
 
     span {
diff --git a/docs/src/doc.config.js b/docs/src/doc.config.js
index f80a29390..9036c34fa 100644
--- a/docs/src/doc.config.js
+++ b/docs/src/doc.config.js
@@ -2,12 +2,19 @@
 module.exports = {
   'zh-CN': {
     header: {
-      lang: {
-        text: 'En',
-        from: 'zh-CN',
-        to: 'en-US'
+      logo: {
+        image: 'https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png',
+        title: 'ZanUI',
+        href: 'http://www.youzanyun.com/zanui'
       },
-      github: 'https://github.com/youzan/vant'
+      nav: {
+        lang: {
+          text: 'En',
+          from: 'zh-CN',
+          to: 'en-US'
+        },
+        github: 'https://github.com/youzan/vant'
+      }
     },
     footer: {
       github: 'https://github.com/youzan/vant',
@@ -278,12 +285,19 @@ module.exports = {
   },
   'en-US': {
     header: {
-      lang: {
-        text: '中文',
-        from: 'en-US',
-        to: 'zh-CN'
+      logo: {
+        image: 'https://img.yzcdn.cn/public_files/2017/12/18/fd78cf6bb5d12e2a119d0576bedfd230.png',
+        title: 'ZanUI',
+        href: 'http://www.youzanyun.com/zanui'
       },
-      github: 'https://github.com/youzan/vant'
+      nav: {
+        lang: {
+          text: '中文',
+          from: 'en-US',
+          to: 'zh-CN'
+        },
+        github: 'https://github.com/youzan/vant'
+      }
     },
     footer: {
       github: 'https://github.com/youzan/vant',
diff --git a/docs/src/index.tpl b/docs/src/index.tpl
index 90814eb00..25be4e5ac 100644
--- a/docs/src/index.tpl
+++ b/docs/src/index.tpl
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
-  <link rel="shortcut icon" href="https://b.yzcdn.cn/zanui/icon/zanui.ico">
+  <link rel="shortcut icon" href="https://img.yzcdn.cn/zanui/vant/vant-2017-12-18.ico">
   <title>Vant - 有赞移动端 Vue 组件库</title>
 </head>
 <body ontouchstart>
diff --git a/package.json b/package.json
index 0773247b4..f8bb805be 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "style-loader": "^0.19.0",
     "uppercamelcase": "^3.0.0",
     "url-loader": "^0.6.2",
-    "vant-doc": "0.3.18",
+    "vant-doc": "0.3.19",
     "vue": "^2.5.9",
     "vue-loader": "^13.5.0",
     "vue-router": "^3.0.1",
diff --git a/packages/vant-css/assets/Logo.sketch b/packages/vant-css/assets/Logo.sketch
new file mode 100644
index 000000000..ad864f4f7
Binary files /dev/null and b/packages/vant-css/assets/Logo.sketch differ
diff --git a/yarn.lock b/yarn.lock
index 81e9f74d9..6e7211631 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7660,9 +7660,9 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "~1.0.0"
     spdx-expression-parse "~1.0.0"
 
-vant-doc@0.3.18:
-  version "0.3.18"
-  resolved "https://registry.yarnpkg.com/vant-doc/-/vant-doc-0.3.18.tgz#86f94b931767bd1ba3e2c48015446be1729e0976"
+vant-doc@0.3.19:
+  version "0.3.19"
+  resolved "https://registry.yarnpkg.com/vant-doc/-/vant-doc-0.3.19.tgz#ba1c9f0b56c62ba1cad6abedd31007e59e005a3d"
   dependencies:
     cheerio "0.22.0"
     decamelize "^1.2.0"