diff --git a/packages/vant-area-data/package.json b/packages/vant-area-data/package.json
index 0310c686c..6b87acf4d 100644
--- a/packages/vant-area-data/package.json
+++ b/packages/vant-area-data/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vant/area-data",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "Vant 省市区数据",
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.js",
diff --git a/packages/vant-area-data/src/index.ts b/packages/vant-area-data/src/index.ts
index e09121b2e..c67673a0d 100644
--- a/packages/vant-area-data/src/index.ts
+++ b/packages/vant-area-data/src/index.ts
@@ -509,15 +509,14 @@ export const areaList = {
     130471: '邯郸经济技术开发区',
     130473: '邯郸冀南新区',
     130481: '武安市',
-    130502: '桥东区',
-    130503: '桥西区',
-    130521: '邢台县',
+    130502: '襄都区',
+    130503: '信都区',
+    130505: '任泽区',
+    130506: '南和区',
     130522: '临城县',
     130523: '内丘县',
     130524: '柏乡县',
     130525: '隆尧县',
-    130526: '任县',
-    130527: '南和县',
     130528: '宁晋县',
     130529: '巨鹿县',
     130530: '新河县',
diff --git a/packages/vant-cli/cjs/jest.config.cjs b/packages/vant-cli/cjs/jest.config.cjs
index 8c082594b..ba600371f 100644
--- a/packages/vant-cli/cjs/jest.config.cjs
+++ b/packages/vant-cli/cjs/jest.config.cjs
@@ -16,7 +16,8 @@ const DEFAULT_CONFIG = {
   setupFilesAfterEnv: [JEST_SETUP_FILE],
   moduleFileExtensions: ['js', 'jsx', 'vue', 'ts', 'tsx'],
   transform: {
-    '\\.(js|jsx|ts|tsx|vue)$': '<rootDir>/node_modules/@vant/cli/cjs/jest.transformer.cjs',
+    '\\.(js|jsx|ts|tsx|vue)$':
+      '<rootDir>/node_modules/@vant/cli/cjs/jest.transformer.cjs',
   },
   transformIgnorePatterns: ['/node_modules/(?!(@vant/cli))/'],
   snapshotSerializers: ['jest-serializer-html'],
diff --git a/packages/vant-cli/docs/desktop.md b/packages/vant-cli/docs/desktop.md
index d4a27ca10..af8b43b50 100644
--- a/packages/vant-cli/docs/desktop.md
+++ b/packages/vant-cli/docs/desktop.md
@@ -27,12 +27,12 @@ button
 | transform | boolean | 防止预览区内 fixed 定位的元素飞出预览区 |
 | inline    | boolean | 只显示组件本身，不显示预览区边框和代码  |
 
-
 ### `compact`
 
 ```html
 <demo-code compact>./demo/MyDemo.vue</demo-code>
 ```
+
 ![image](https://user-images.githubusercontent.com/5093611/111076728-77cc5d00-8528-11eb-85f1-e7217344ab14.png)
 
 ### `transform`
@@ -40,6 +40,7 @@ button
 ```html
 <demo-code transform>./demo/MyDemo.vue</demo-code>
 ```
+
 ![image](https://user-images.githubusercontent.com/5093611/111076799-d5f94000-8528-11eb-973f-c9d69f91d2a7.png)
 
 ### `inline`
@@ -47,6 +48,7 @@ button
 ```html
 <demo-code inline>./demo/MyDemo.vue</demo-code>
 ```
+
 ![image](https://user-images.githubusercontent.com/5093611/111076845-15c02780-8529-11eb-9cfb-76c9b25dc2a2.png)
 
 ### 去除手机模拟器
@@ -79,5 +81,4 @@ module.exports = {
     },
   },
 };
-
-```
\ No newline at end of file
+```
diff --git a/packages/vant-cli/site/index.html b/packages/vant-cli/site/index.html
index 797723df5..eba05322b 100644
--- a/packages/vant-cli/site/index.html
+++ b/packages/vant-cli/site/index.html
@@ -18,10 +18,9 @@
     <% if (baiduAnalytics) { %>
     <script>
       var _hmt = _hmt || [];
-      (function() {
+      (function () {
         var hm = document.createElement('script');
-        hm.src =
-          'https://hm.baidu.com/hm.js?<%= baiduAnalytics.seed %>';
+        hm.src = 'https://hm.baidu.com/hm.js?<%= baiduAnalytics.seed %>';
         var s = document.getElementsByTagName('script')[0];
         s.parentNode.insertBefore(hm, s);
       })();
diff --git a/packages/vant-cli/site/mobile/components/DemoNav.vue b/packages/vant-cli/site/mobile/components/DemoNav.vue
index 40dc32240..3fd9f7b19 100644
--- a/packages/vant-cli/site/mobile/components/DemoNav.vue
+++ b/packages/vant-cli/site/mobile/components/DemoNav.vue
@@ -12,8 +12,7 @@
 export default {
   data() {
     return {
-      path:
-        'M296.114 508.035c-3.22-13.597.473-28.499 11.079-39.105l333.912-333.912c16.271-16.272 42.653-16.272 58.925 0s16.272 42.654 0 58.926L395.504 498.47l304.574 304.574c16.272 16.272 16.272 42.654 0 58.926s-42.654 16.272-58.926 0L307.241 528.058a41.472 41.472 0 0 1-11.127-20.023z',
+      path: 'M296.114 508.035c-3.22-13.597.473-28.499 11.079-39.105l333.912-333.912c16.271-16.272 42.653-16.272 58.925 0s16.272 42.654 0 58.926L395.504 498.47l304.574 304.574c16.272 16.272 16.272 42.654 0 58.926s-42.654 16.272-58.926 0L307.241 528.058a41.472 41.472 0 0 1-11.127-20.023z',
     };
   },
 
diff --git a/packages/vant-eslint-config/test/vue-tsx/app.tsx b/packages/vant-eslint-config/test/vue-tsx/app.tsx
index caae23bed..485e6cc41 100644
--- a/packages/vant-eslint-config/test/vue-tsx/app.tsx
+++ b/packages/vant-eslint-config/test/vue-tsx/app.tsx
@@ -1,4 +1,4 @@
-import { defineComponent } from 'vue'
+import { defineComponent } from 'vue';
 
 export default defineComponent({
   name: 'App',
@@ -7,6 +7,6 @@ export default defineComponent({
       <>
         <h1>App</h1>
       </>
-    )
-  }
-})
+    );
+  },
+});
diff --git a/packages/vant-eslint-config/test/vue/index.vue b/packages/vant-eslint-config/test/vue/index.vue
index 9d0ad8445..79c93e54f 100644
--- a/packages/vant-eslint-config/test/vue/index.vue
+++ b/packages/vant-eslint-config/test/vue/index.vue
@@ -5,15 +5,15 @@
 </template>
 
 <script>
-const a = 1
-a = 1
+const a = 1;
+a = 1;
 export default {
   data() {
     return {
-      arr: [1, 2, 3]
-    }
-  }
-}
+      arr: [1, 2, 3],
+    };
+  },
+};
 </script>
 
 <style></style>
diff --git a/packages/vant-eslint-config/test/vue/main.js b/packages/vant-eslint-config/test/vue/main.js
index 710a1acf4..c1e450fc9 100644
--- a/packages/vant-eslint-config/test/vue/main.js
+++ b/packages/vant-eslint-config/test/vue/main.js
@@ -1,2 +1,2 @@
-const a = b + 1
-export default a
+const a = b + 1;
+export default a;
diff --git a/packages/vant-icons/src/config.d.ts b/packages/vant-icons/src/config.d.ts
index d2e30dac9..1d019f1fa 100644
--- a/packages/vant-icons/src/config.d.ts
+++ b/packages/vant-icons/src/config.d.ts
@@ -1,7 +1,7 @@
 declare const config: {
-    name: string;
-    basic: string[];
-    outline: string[];
-    filled: string[];
+  name: string;
+  basic: string[];
+  outline: string[];
+  filled: string[];
 };
 export default config;
diff --git a/packages/vant-icons/yarn.lock b/packages/vant-icons/yarn.lock
index 47ee29454..790f9972e 100644
--- a/packages/vant-icons/yarn.lock
+++ b/packages/vant-icons/yarn.lock
@@ -1281,9 +1281,9 @@ new-github-release-url@1.0.0:
     type-fest "^0.4.1"
 
 node-fetch@^2.6.1:
-  version "2.6.6"
-  resolved "https://registry.npmmirror.com/node-fetch/download/node-fetch-2.6.6.tgz#1751a7c01834e8e1697758732e9efb6eeadfaf89"
-  integrity sha1-F1GnwBg06OFpd1hzLp77burfr4k=
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
   dependencies:
     whatwg-url "^5.0.0"
 
@@ -1794,7 +1794,7 @@ to-regex-range@^5.0.1:
 
 tr46@~0.0.3:
   version "0.0.3"
-  resolved "https://registry.npmmirror.com/tr46/download/tr46-0.0.3.tgz?cache=0&sync_timestamp=1633303287861&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Ftr46%2Fdownload%2Ftr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
   integrity sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=
 
 tslib@~2.1.0:
@@ -1887,12 +1887,12 @@ wcwidth@^1.0.1:
 
 webidl-conversions@^3.0.0:
   version "3.0.1"
-  resolved "https://registry.npmmirror.com/webidl-conversions/download/webidl-conversions-3.0.1.tgz?cache=0&sync_timestamp=1632753508689&other_urls=https%3A%2F%2Fregistry.npmmirror.com%2Fwebidl-conversions%2Fdownload%2Fwebidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
   integrity sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=
 
 whatwg-url@^5.0.0:
   version "5.0.0"
-  resolved "https://registry.npmmirror.com/whatwg-url/download/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
   integrity sha1-lmRU6HZUYuN2RNNib2dCzotwll0=
   dependencies:
     tr46 "~0.0.3"
diff --git a/packages/vant-markdown-vetur/src/type.ts b/packages/vant-markdown-vetur/src/type.ts
index f8b950f5b..108df7e3c 100644
--- a/packages/vant-markdown-vetur/src/type.ts
+++ b/packages/vant-markdown-vetur/src/type.ts
@@ -20,7 +20,7 @@ export type VueAttribute = {
   name: string;
   default: string;
   description: string;
-  options: string[]
+  options: string[];
   value: {
     kind: 'expression';
     type: string;
diff --git a/packages/vant-markdown-vetur/src/utils.ts b/packages/vant-markdown-vetur/src/utils.ts
index 0714b0742..314ef16e8 100644
--- a/packages/vant-markdown-vetur/src/utils.ts
+++ b/packages/vant-markdown-vetur/src/utils.ts
@@ -21,8 +21,8 @@ export function normalizePath(path: string): string {
   return path.replace(/\\/g, '/');
 }
 
-//  `default` `primary` -> ['default', 'primary']
+// `default` `primary` -> ['default', 'primary']
 export function formatOptions(options?: string) {
-  if (!options) return []
-  return options.replace(/`/g, '').split(' ')
+  if (!options) return [];
+  return options.replace(/`/g, '').split(' ');
 }
diff --git a/packages/vant-use/changelog.md b/packages/vant-use/changelog.md
index 312928572..baf0cfc9f 100644
--- a/packages/vant-use/changelog.md
+++ b/packages/vant-use/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v1.3.5
+
+- Fix useChildren missing subTree when flattening vnodes
+
 ## v1.3.4
 
 - Fix useClickAway failed in SSR
diff --git a/packages/vant-use/package.json b/packages/vant-use/package.json
index 520e774f6..4da98c7b4 100644
--- a/packages/vant-use/package.json
+++ b/packages/vant-use/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vant/use",
-  "version": "1.3.4",
+  "version": "1.3.5",
   "description": "Vant Composition API",
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.js",
diff --git a/packages/vant-use/src/useCustomFieldValue/index.ts b/packages/vant-use/src/useCustomFieldValue/index.ts
index f94066539..4e315b549 100644
--- a/packages/vant-use/src/useCustomFieldValue/index.ts
+++ b/packages/vant-use/src/useCustomFieldValue/index.ts
@@ -6,9 +6,8 @@ export type CustomFieldInjectionValue = {
   validateWithTrigger: (trigger: 'onBlur' | 'onChange' | 'onSubmit') => void;
 };
 
-export const CUSTOM_FIELD_INJECTION_KEY: InjectionKey<CustomFieldInjectionValue> = Symbol(
-  'van-field'
-);
+export const CUSTOM_FIELD_INJECTION_KEY: InjectionKey<CustomFieldInjectionValue> =
+  Symbol('van-field');
 
 export function useCustomFieldValue(customValue: () => unknown) {
   const field = inject(CUSTOM_FIELD_INJECTION_KEY, null);
diff --git a/packages/vant-use/src/useRelation/useChildren.ts b/packages/vant-use/src/useRelation/useChildren.ts
index 3ef15d4a9..7e78075bb 100644
--- a/packages/vant-use/src/useRelation/useChildren.ts
+++ b/packages/vant-use/src/useRelation/useChildren.ts
@@ -20,6 +20,7 @@ export function flattenVNodes(children: VNodeNormalizedChildren) {
           result.push(child);
 
           if (child.component?.subTree) {
+            result.push(child.component.subTree);
             traverse(child.component.subTree.children);
           }
 
diff --git a/packages/vant/docs/markdown/use-rect.zh-CN.md b/packages/vant/docs/markdown/use-rect.zh-CN.md
index 41842757c..ab2a0aa38 100644
--- a/packages/vant/docs/markdown/use-rect.zh-CN.md
+++ b/packages/vant/docs/markdown/use-rect.zh-CN.md
@@ -20,11 +20,11 @@ export default {
   setup() {
     const root = ref();
 
-    onMounted(()=>{
+    onMounted(() => {
       const rect = useRect(root);
       console.log(rect); // -> 元素的大小及其相对于视口的位置
-    })
-    
+    });
+
     return { root };
   },
 };
diff --git a/packages/vant/src/dropdown-menu/index.less b/packages/vant/src/dropdown-menu/index.less
index 8e5772928..08f4fc585 100644
--- a/packages/vant/src/dropdown-menu/index.less
+++ b/packages/vant/src/dropdown-menu/index.less
@@ -33,7 +33,6 @@
     align-items: center;
     justify-content: center;
     min-width: 0; // hack for flex ellipsis
-    cursor: pointer;
 
     &--disabled {
       .van-dropdown-menu__title {
diff --git a/packages/vant/src/icon/index.less b/packages/vant/src/icon/index.less
index 82eb54a92..70beb7041 100644
--- a/packages/vant/src/icon/index.less
+++ b/packages/vant/src/icon/index.less
@@ -2,6 +2,7 @@
 
 .van-icon {
   &__image {
+    display: block;
     width: 1em;
     height: 1em;
     object-fit: contain;
diff --git a/packages/vant/src/image-preview/index.less b/packages/vant/src/image-preview/index.less
index a5d3095e5..d8ca8e75d 100644
--- a/packages/vant/src/image-preview/index.less
+++ b/packages/vant/src/image-preview/index.less
@@ -86,7 +86,6 @@
     z-index: var(--van-image-preview-close-icon-z-index);
     color: var(--van-image-preview-close-icon-color);
     font-size: var(--van-image-preview-close-icon-size);
-    cursor: pointer;
 
     &--top-left {
       top: var(--van-image-preview-close-icon-margin);
diff --git a/packages/vant/src/nav-bar/index.less b/packages/vant/src/nav-bar/index.less
index 4ecb436d7..2e8291afa 100644
--- a/packages/vant/src/nav-bar/index.less
+++ b/packages/vant/src/nav-bar/index.less
@@ -62,7 +62,6 @@
     align-items: center;
     padding: 0 var(--van-padding-md);
     font-size: var(--van-font-size-md);
-    cursor: pointer;
   }
 
   &__left {
diff --git a/packages/vant/src/number-keyboard/index.less b/packages/vant/src/number-keyboard/index.less
index 53c65dc8d..e3251eb56 100644
--- a/packages/vant/src/number-keyboard/index.less
+++ b/packages/vant/src/number-keyboard/index.less
@@ -72,7 +72,6 @@
     font-size: var(--van-number-keyboard-close-font-size);
     background-color: transparent;
     border: none;
-    cursor: pointer;
   }
 
   &__sidebar {
diff --git a/packages/vant/src/picker/index.less b/packages/vant/src/picker/index.less
index 28e4c0e39..22e517e41 100644
--- a/packages/vant/src/picker/index.less
+++ b/packages/vant/src/picker/index.less
@@ -40,7 +40,6 @@
     font-size: var(--van-picker-action-font-size);
     background-color: transparent;
     border: none;
-    cursor: pointer;
   }
 
   &__confirm {
diff --git a/packages/vant/src/popup/index.less b/packages/vant/src/popup/index.less
index b91750e18..c9dd9348e 100644
--- a/packages/vant/src/popup/index.less
+++ b/packages/vant/src/popup/index.less
@@ -114,7 +114,6 @@
       z-index: var(--van-popup-close-icon-z-index);
       color: var(--van-popup-close-icon-color);
       font-size: var(--van-popup-close-icon-size);
-      cursor: pointer;
 
       &--top-left {
         top: var(--van-popup-close-icon-margin);
diff --git a/packages/vant/src/share-sheet/index.less b/packages/vant/src/share-sheet/index.less
index 9386f464a..486e4d669 100644
--- a/packages/vant/src/share-sheet/index.less
+++ b/packages/vant/src/share-sheet/index.less
@@ -61,7 +61,6 @@
     display: flex;
     flex-direction: column;
     align-items: center;
-    cursor: pointer;
     user-select: none;
   }
 
diff --git a/packages/vant/src/stepper/index.less b/packages/vant/src/stepper/index.less
index ff86a6252..90108f88c 100644
--- a/packages/vant/src/stepper/index.less
+++ b/packages/vant/src/stepper/index.less
@@ -30,7 +30,6 @@
     vertical-align: middle;
     background: var(--van-stepper-background);
     border: 0;
-    cursor: pointer;
 
     &::before {
       width: 50%;
diff --git a/packages/vant/src/style/base.less b/packages/vant/src/style/base.less
index 135244874..be52abb01 100644
--- a/packages/vant/src/style/base.less
+++ b/packages/vant/src/style/base.less
@@ -30,8 +30,12 @@
   padding-bottom: env(safe-area-inset-bottom);
 }
 
-.van-haptics-feedback:active {
-  opacity: var(--van-active-opacity);
+.van-haptics-feedback {
+  cursor: pointer;
+
+  &:active {
+    opacity: var(--van-active-opacity);
+  }
 }
 
 [class*='van-hairline'] {
diff --git a/packages/vant/src/tab/test/__snapshots__/insert.spec.tsx.snap b/packages/vant/src/tab/test/__snapshots__/insert.spec.tsx.snap
index 2786e8e55..d44b3e5f1 100644
--- a/packages/vant/src/tab/test/__snapshots__/insert.spec.tsx.snap
+++ b/packages/vant/src/tab/test/__snapshots__/insert.spec.tsx.snap
@@ -15,7 +15,7 @@ exports[`should render Tab inside a component correctly 1`] = `
            aria-controls="van-tab"
       >
         <span class="van-tab__text van-tab__text--ellipsis">
-          2
+          1
         </span>
       </div>
       <div id="van-tabs-1"
@@ -26,7 +26,7 @@ exports[`should render Tab inside a component correctly 1`] = `
            aria-controls="van-tab"
       >
         <span class="van-tab__text van-tab__text--ellipsis">
-          1
+          2
         </span>
       </div>
       <div id="van-tabs-2"
@@ -47,15 +47,6 @@ exports[`should render Tab inside a component correctly 1`] = `
     </div>
   </div>
   <div class="van-tabs__content">
-    <div id="van-tab"
-         role="tabpanel"
-         class="van-tab__panel"
-         tabindex="0"
-         aria-labelledby="van-tabs-1"
-         style
-    >
-      1
-    </div>
     <div id="van-tab"
          role="tabpanel"
          class="van-tab__panel"
@@ -64,6 +55,15 @@ exports[`should render Tab inside a component correctly 1`] = `
          style="display: none;"
     >
     </div>
+    <div id="van-tab"
+         role="tabpanel"
+         class="van-tab__panel"
+         tabindex="0"
+         aria-labelledby="van-tabs-1"
+         style
+    >
+      2
+    </div>
     <div id="van-tab"
          role="tabpanel"
          class="van-tab__panel"
diff --git a/packages/vant/src/tag/Tag.tsx b/packages/vant/src/tag/Tag.tsx
index ccf655809..a21815cde 100644
--- a/packages/vant/src/tag/Tag.tsx
+++ b/packages/vant/src/tag/Tag.tsx
@@ -5,7 +5,12 @@ import {
   type CSSProperties,
   type ExtractPropTypes,
 } from 'vue';
-import { truthProp, makeStringProp, createNamespace } from '../utils';
+import {
+  truthProp,
+  makeStringProp,
+  createNamespace,
+  HAPTICS_FEEDBACK,
+} from '../utils';
 import { Icon } from '../icon';
 
 const [name, bem] = createNamespace('tag');
@@ -66,7 +71,11 @@ export default defineComponent({
       }
 
       const CloseIcon = closeable && (
-        <Icon name="cross" class={bem('close')} onClick={onClose} />
+        <Icon
+          name="cross"
+          class={[bem('close'), HAPTICS_FEEDBACK]}
+          onClick={onClose}
+        />
       );
 
       return (
diff --git a/packages/vant/src/tag/index.less b/packages/vant/src/tag/index.less
index 5e450a56b..cabb0a381 100644
--- a/packages/vant/src/tag/index.less
+++ b/packages/vant/src/tag/index.less
@@ -111,6 +111,5 @@
 
   &__close {
     margin-left: 2px;
-    cursor: pointer;
   }
 }
diff --git a/packages/vant/src/tag/test/__snapshots__/demo.spec.ts.snap b/packages/vant/src/tag/test/__snapshots__/demo.spec.ts.snap
index c82acc0aa..a745010c9 100644
--- a/packages/vant/src/tag/test/__snapshots__/demo.spec.ts.snap
+++ b/packages/vant/src/tag/test/__snapshots__/demo.spec.ts.snap
@@ -112,7 +112,7 @@ exports[`should render demo and match snapshot 1`] = `
       <transition-stub>
         <span class="van-tag van-tag--medium van-tag--primary">
           Tag
-          <i class="van-badge__wrapper van-icon van-icon-cross van-tag__close">
+          <i class="van-badge__wrapper van-icon van-icon-cross van-tag__close van-haptics-feedback">
           </i>
         </span>
       </transition-stub>
diff --git a/packages/vant/src/tree-select/TreeSelect.tsx b/packages/vant/src/tree-select/TreeSelect.tsx
index 0aef98b05..bfa35bd4b 100644
--- a/packages/vant/src/tree-select/TreeSelect.tsx
+++ b/packages/vant/src/tree-select/TreeSelect.tsx
@@ -112,9 +112,10 @@ export default defineComponent({
 
     const onSidebarChange = (index: number) => {
       emit('update:mainActiveIndex', index);
-      emit('click-nav', index);
     };
 
+    const onClickSidebarItem = (index: number) => emit('click-nav', index);
+
     const renderSidebar = () => {
       const Items = props.items.map((item) => (
         <SidebarItem
@@ -123,6 +124,7 @@ export default defineComponent({
           badge={item.badge}
           class={[bem('nav-item'), item.className]}
           disabled={item.disabled}
+          onClick={onClickSidebarItem}
         />
       ));
 
diff --git a/packages/vant/src/tree-select/test/index.spec.tsx b/packages/vant/src/tree-select/test/index.spec.tsx
index c195dfbf0..46a228ec8 100644
--- a/packages/vant/src/tree-select/test/index.spec.tsx
+++ b/packages/vant/src/tree-select/test/index.spec.tsx
@@ -26,7 +26,23 @@ test('should render empty TreeSelect correctly', () => {
   expect(mount(TreeSelect).html()).toMatchSnapshot();
 });
 
-test('should emit click-nav event when nav item is clicked', () => {
+test('should emit update:mainActiveIndex event when mainActiveIndex is changed', async () => {
+  const wrapper = mount(TreeSelect, {
+    props: {
+      items: mockItems,
+      mainActiveIndex: 0,
+    },
+  });
+
+  const navItems = wrapper.findAll('.van-tree-select__nav-item');
+  await navItems[0].trigger('click');
+  expect(wrapper.emitted('update:mainActiveIndex')).toBeFalsy();
+
+  await navItems[1].trigger('click');
+  expect(wrapper.emitted('update:mainActiveIndex')?.[0]).toEqual([1]);
+});
+
+test('should emit click-nav event when nav item is clicked', async () => {
   const wrapper = mount(TreeSelect, {
     props: {
       items: mockItems,
@@ -34,9 +50,10 @@ test('should emit click-nav event when nav item is clicked', () => {
   });
 
   const navItems = wrapper.findAll('.van-tree-select__nav-item');
-  navItems[1].trigger('click');
-  expect(wrapper.emitted('update:mainActiveIndex')?.[0]).toEqual([1]);
-  expect(wrapper.emitted('click-nav')?.[0]).toEqual([1]);
+  await navItems[0].trigger('click');
+  expect(wrapper.emitted('click-nav')?.[0]).toEqual([0]);
+  await navItems[0].trigger('click');
+  expect(wrapper.emitted('click-nav')?.[1]).toEqual([0]);
 });
 
 test('should emit click-item event when item is clicked', () => {