diff --git a/packages/vant-cli/site/desktop/App.vue b/packages/vant-cli/site/desktop/App.vue
index c61ff6d26..6240cb6ac 100644
--- a/packages/vant-cli/site/desktop/App.vue
+++ b/packages/vant-cli/site/desktop/App.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="app">
-    <van-doc :config="config" :simulator="simulator">
+    <van-doc :lang="lang" :config="config" :simulator="simulator">
       <router-view />
     </van-doc>
   </div>
@@ -32,6 +32,11 @@ export default {
   },
 
   computed: {
+    lang() {
+      const { lang } = this.$route.meta;
+      return lang || '';
+    },
+
     config() {
       const { locales } = config.site;
 
diff --git a/packages/vant-cli/site/desktop/components/Header.vue b/packages/vant-cli/site/desktop/components/Header.vue
index c3b7e0cc7..6516104f8 100644
--- a/packages/vant-cli/site/desktop/components/Header.vue
+++ b/packages/vant-cli/site/desktop/components/Header.vue
@@ -53,8 +53,7 @@ export default {
   props: {
     lang: String,
     config: Object,
-    versions: Array,
-    searchConfig: Object
+    versions: Array
   },
 
   data() {
@@ -67,6 +66,10 @@ export default {
     langLink() {
       const { lang } = this.config.nav;
       return `#${this.$route.path.replace(lang.from, lang.to)}`;
+    },
+
+    searchConfig() {
+      return this.config.searchConfig;
     }
   },
 
diff --git a/packages/vant-cli/site/desktop/components/SearchInput.vue b/packages/vant-cli/site/desktop/components/SearchInput.vue
index c8f404444..4a22ef0d5 100644
--- a/packages/vant-cli/site/desktop/components/SearchInput.vue
+++ b/packages/vant-cli/site/desktop/components/SearchInput.vue
@@ -1,5 +1,5 @@
 <template>
-  <input class="van-doc-search" :placeholder="searchPlaceholder">
+  <input class="van-doc-search" :placeholder="placeholder">
 </template>
 
 <script>
@@ -12,8 +12,8 @@ export default {
   },
 
   computed: {
-    searchPlaceholder() {
-      return this.lang === 'zh-CN' ? '搜索文档...' : 'Search...';
+    placeholder() {
+      return this.searchConfig.placeholder || 'Search...';
     }
   },
 
diff --git a/packages/vant-cli/site/desktop/components/index.vue b/packages/vant-cli/site/desktop/components/index.vue
index 6683f6063..229868721 100644
--- a/packages/vant-cli/site/desktop/components/index.vue
+++ b/packages/vant-cli/site/desktop/components/index.vue
@@ -4,7 +4,6 @@
       :lang="lang"
       :config="config"
       :versions="versions"
-      :search-config="searchConfig"
       @switch-version="$emit('switch-version', $event)"
     />
     <doc-nav :base="base" :nav-config="config.nav" />
@@ -44,7 +43,6 @@ export default {
   props: {
     lang: String,
     versions: Array,
-    searchConfig: Object,
     currentSimulator: Number,
     simulator: String,
     config: {
diff --git a/packages/vant-cli/site/desktop/index.html b/packages/vant-cli/site/desktop/index.html
index 861f2560f..a9ca4a049 100644
--- a/packages/vant-cli/site/desktop/index.html
+++ b/packages/vant-cli/site/desktop/index.html
@@ -8,8 +8,10 @@
   <meta http-Equiv="Cache-Control" Content="no-cache" />
   <meta http-Equiv="Pragma" Content="no-cache" />
   <meta http-Equiv="Expires" Content="0" />
+  <link href="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.css" rel="stylesheet" />
 </head>
 <body ontouchstart>
   <div id="app"></div>
+  <script src="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.js"></script>
 </body>
 </html>
diff --git a/vant.config.js b/vant.config.js
index 197458eb4..672e0c75d 100644
--- a/vant.config.js
+++ b/vant.config.js
@@ -22,6 +22,11 @@ module.exports = {
             url: 'https://github.com/youzan/vant'
           }
         ],
+        searchConfig: {
+          apiKey: '90067aecdaa2c85220e2783cd305caac',
+          indexName: 'vant',
+          placeholder: '搜索文档...'
+        },
         nav: [
           {
             title: '开发指南',
@@ -360,6 +365,11 @@ module.exports = {
             url: 'https://github.com/youzan/vant'
           }
         ],
+        searchConfig: {
+          apiKey: '90067aecdaa2c85220e2783cd305caac',
+          indexName: 'vant',
+          placeholder: 'Search...'
+        },
         nav: [
           {
             title: 'Essentials',
