diff --git a/packages/vant-cli/docs/config.md b/packages/vant-cli/docs/config.md
index 83fc7b284..fa51dbc93 100644
--- a/packages/vant-cli/docs/config.md
+++ b/packages/vant-cli/docs/config.md
@@ -15,6 +15,7 @@
     - [site.baiduAnalytics](#sitebaiduanalytics)
     - [site.searchConfig](#sitesearchconfig)
     - [site.hideSimulator](#sitehidesimulator)
+    - [site.simulator.url](#sitesimulatorurl)
   - [Webpack](#webpack)
   - [Babel](#babel)
     - [默认配置](#-1)
@@ -245,6 +246,13 @@ module.exports = {
 
 是否隐藏所有页面右侧的手机模拟器，默认不隐藏
 
+### site.simulator.url
+
+- Type: `string`
+- Default: -
+
+自定义手机模拟器的 iframe URL 地址。
+
 ### site.htmlPluginOptions
 
 - Type: `object`
diff --git a/packages/vant-cli/site/common/iframe-router.js b/packages/vant-cli/site/common/iframe-router.js
index 789c2ccc8..4a798f976 100644
--- a/packages/vant-cli/site/common/iframe-router.js
+++ b/packages/vant-cli/site/common/iframe-router.js
@@ -2,6 +2,8 @@
  * 同步父窗口和 iframe 的 vue-router 状态
  */
 
+import { config } from 'site-desktop-shared';
+
 let queue = [];
 let isIframeReady = false;
 
@@ -27,7 +29,12 @@ if (window.top === window) {
 
 function getCurrentDir() {
   const router = window.vueRouter;
-  return router.currentRoute.value.path;
+  const { path } = router.currentRoute.value;
+
+  if (config.site.simulator?.routeMapper) {
+    return config.site.simulator?.routeMapper(path);
+  }
+  return path;
 }
 
 export function syncPathToParent() {
diff --git a/packages/vant-cli/site/desktop/App.vue b/packages/vant-cli/site/desktop/App.vue
index 8fb0bb4c2..b7de5ae20 100644
--- a/packages/vant-cli/site/desktop/App.vue
+++ b/packages/vant-cli/site/desktop/App.vue
@@ -25,15 +25,20 @@ export default {
   },
 
   data() {
-    const path = location.pathname.replace(/\/index(\.html)?/, '/');
-
     return {
-      simulator: `${path}mobile.html${location.hash}`,
       hasSimulator: true,
     };
   },
 
   computed: {
+    simulator() {
+      if (config.site.simulator?.url) {
+        return config.site.simulator?.url;
+      }
+      const path = location.pathname.replace(/\/index(\.html)?/, '/');
+      return `${path}mobile.html${location.hash}`;
+    },
+
     lang() {
       const { lang } = this.$route.meta;
       return lang || '';
diff --git a/packages/vant-cli/site/desktop/components/Header.vue b/packages/vant-cli/site/desktop/components/Header.vue
index 045e9d3eb..3026491e8 100644
--- a/packages/vant-cli/site/desktop/components/Header.vue
+++ b/packages/vant-cli/site/desktop/components/Header.vue
@@ -214,7 +214,7 @@ export default {
       position: absolute;
       top: 34px;
       left: 0;
-      width: 100px;
+      width: 100%;
       z-index: 99;
       color: #333;
       line-height: 36px;
diff --git a/packages/vant-cli/site/desktop/router.js b/packages/vant-cli/site/desktop/router.js
index fc882d30f..9a5992e2e 100644
--- a/packages/vant-cli/site/desktop/router.js
+++ b/packages/vant-cli/site/desktop/router.js
@@ -120,6 +120,8 @@ router.afterEach(() => {
   nextTick(syncPathToChild);
 });
 
-listenToSyncPath(router);
+if (config.site.simulator?.syncPathFromSimulator !== false) {
+  listenToSyncPath(router);
+}
 
 window.vueRouter = router;
diff --git a/vant.config.js b/vant.config.js
index 8f89e8f15..b507874c5 100644
--- a/vant.config.js
+++ b/vant.config.js
@@ -16,9 +16,8 @@ module.exports = {
   site: {
     defaultLang: 'en-US',
     versions: [
-      { label: 'Vant v1', link: '/vant/v1/' },
-      { label: 'Vant v2', link: '/vant/' },
-      { label: 'Vant Weapp', link: '/vant-weapp/' },
+      { label: 'v1', link: '/vant/v1/' },
+      { label: 'v2', link: '/vant/' },
     ],
     baiduAnalytics: {
       seed: 'ad6b5732c36321f2dafed737ac2da92f',
@@ -31,10 +30,14 @@ module.exports = {
     locales: {
       'zh-CN': {
         title: 'Vant',
-        description: '轻量、可靠的移动端 Vue 组件库',
+        description: '轻量、可靠的移动端组件库',
         logo: 'https://img.yzcdn.cn/vant/logo.png',
         langLabel: '中',
         links: [
+          {
+            logo: 'https://b.yzcdn.cn/vant/logo/weapp.svg',
+            url: 'https://vant-contrib.gitee.io/vant-weapp/',
+          },
           {
             logo: 'https://b.yzcdn.cn/vant/logo/github.svg',
             url: 'https://github.com/youzan/vant',