diff --git a/.github/ISSUE_TEMPLATE/template-1-bug-report-vant.zh-CN.yml b/.github/ISSUE_TEMPLATE/template-1-bug-report-vant.zh-CN.yml
index c778ac024..1383c7a5a 100644
--- a/.github/ISSUE_TEMPLATE/template-1-bug-report-vant.zh-CN.yml
+++ b/.github/ISSUE_TEMPLATE/template-1-bug-report-vant.zh-CN.yml
@@ -16,7 +16,7 @@ body:
     id: reproduce
     attributes:
       label: 重现链接
-      description: 请提供一个尽可能简单的 [codesandbox](https://codesandbox.io/s/m5v3f) 或 GitHub 仓库链接。不要填写无效的链接，这会导致你的 issue 被直接关闭。
+      description: 请提供一个尽可能简单的 [codesandbox](https://codesandbox.io/s/vant-3-issue-template-8fuq5o) 或 GitHub 仓库链接。不要填写无效的链接，这会导致你的 issue 被直接关闭。
     validations:
       required: true
 
diff --git a/.github/ISSUE_TEMPLATE/template-2-bug-report-vant-cli.zh-CN.yml b/.github/ISSUE_TEMPLATE/template-2-bug-report-vant-cli.zh-CN.yml
index 929bc04d5..bfa3a70cc 100644
--- a/.github/ISSUE_TEMPLATE/template-2-bug-report-vant-cli.zh-CN.yml
+++ b/.github/ISSUE_TEMPLATE/template-2-bug-report-vant-cli.zh-CN.yml
@@ -16,7 +16,7 @@ body:
     id: reproduce
     attributes:
       label: 重现链接
-      description: 请提供一个尽可能简单的 [codesandbox](https://codesandbox.io/s/m5v3f) 或 GitHub 仓库链接。不要填写无效的链接，这会导致你的 issue 被直接关闭。
+      description: 请提供一个尽可能简单的 [codesandbox](https://codesandbox.io/s/vant-3-issue-template-8fuq5o) 或 GitHub 仓库链接。不要填写无效的链接，这会导致你的 issue 被直接关闭。
     validations:
       required: true
 
diff --git a/.github/ISSUE_TEMPLATE/template-5-bug-report-vant.en-US.yml b/.github/ISSUE_TEMPLATE/template-5-bug-report-vant.en-US.yml
index 669444b35..5ec2e8adc 100644
--- a/.github/ISSUE_TEMPLATE/template-5-bug-report-vant.en-US.yml
+++ b/.github/ISSUE_TEMPLATE/template-5-bug-report-vant.en-US.yml
@@ -7,7 +7,7 @@ body:
     id: reproduce
     attributes:
       label: Reproduction Link
-      description: Please provide a simple [codesandbox](https://codesandbox.io/s/m5v3f) or GitHub repository link. Do not fill in invalid links, this will cause your issue to be closed directly.
+      description: Please provide a simple [codesandbox](https://codesandbox.io/s/vant-3-issue-template-8fuq5o) or GitHub repository link. Do not fill in invalid links, this will cause your issue to be closed directly.
     validations:
       required: true
 
diff --git a/README.md b/README.md
index 5d2c6146d..61999dfc6 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@
 - 🍭 Support Tree Shaking
 - 🍭 Support Custom Theme
 - 🍭 Support Accessibility (still improving)
+- 🍭 Support Dark Mode (Requires upgrade to [Vant 4](https://vant-contrib.gitee.io/vant/v4/#/en-US/config-provider))
 - 🍭 Support i18n
 - 🍭 Support Dark Mode
 - 🌍 Support SSR
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 14eaef864..1c1dcc5d9 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -41,6 +41,7 @@ Vant 是**有赞前端团队**开源的移动端组件库，于 2017 年开源
 - 🍭 支持主题定制，内置 700+ 个主题变量
 - 🍭 支持按需引入和 Tree Shaking
 - 🍭 支持无障碍访问（持续改进中）
+- 🍭 支持深色模式（需要升级至 [Vant 4](https://vant-contrib.gitee.io/vant/v4/#/zh-CN/config-provider)）
 - 🍭 支持服务器端渲染
 - 🍭 支持深色模式
 - 🌍 支持国际化和语言包定制
diff --git a/packages/vant-area-data/README.md b/packages/vant-area-data/README.md
index 74093e1ec..60e57bdf7 100644
--- a/packages/vant-area-data/README.md
+++ b/packages/vant-area-data/README.md
@@ -1,6 +1,6 @@
 # Vant Area Data
 
-省市区数据，适用于 Vant Area 组件。
+中国省市区数据，适用于 Vant Area 组件。
 
 ## 安装
 
@@ -20,3 +20,7 @@ pnpm add @vant/area-data
 ```ts
 import { areaList } from '@vant/area-data';
 ```
+
+## 数据更新
+
+中国的行政区划每年都会有变动，如果发现省市区数据未及时更新，欢迎提 Pull Request 帮助我们更新。
diff --git a/packages/vant-area-data/package.json b/packages/vant-area-data/package.json
index 1085b649b..4657d0bd1 100644
--- a/packages/vant-area-data/package.json
+++ b/packages/vant-area-data/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vant/area-data",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "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 c67673a0d..5c8ef7332 100644
--- a/packages/vant-area-data/src/index.ts
+++ b/packages/vant-area-data/src/index.ts
@@ -1175,6 +1175,7 @@ export const areaList = {
     320105: '建邺区',
     320106: '鼓楼区',
     320111: '浦口区',
+    320112: '江北新区',
     320113: '栖霞区',
     320114: '雨花台区',
     320115: '江宁区',
diff --git a/packages/vant/docs/markdown/faq.zh-CN.md b/packages/vant/docs/markdown/faq.zh-CN.md
index 7564b0cf9..21bca55bb 100644
--- a/packages/vant/docs/markdown/faq.zh-CN.md
+++ b/packages/vant/docs/markdown/faq.zh-CN.md
@@ -62,6 +62,12 @@ Vant 基于 CSS 变量提供了主题定制的能力，可以对组件样式进
 
 参考链接：[stackoverflow - :active pseudo-class doesn't work in mobile safari](https://stackoverflow.com/questions/3885018/active-pseudo-class-doesnt-work-in-mobile-safari/33681490#33681490)
 
+### 为什么没有 Select 组件？
+
+Select 是桌面端常用的组件，但它的交互形式不适合移动端。
+
+在移动端，我们推荐使用 [Picker 选择器组件](#/zh-CN/picker) 作为代替。
+
 ### 部分组件无法在桌面端进行操作？
 
 参见[桌面端适配](#/zh-CN/advanced-usage#zhuo-mian-duan-gua-pei)。
diff --git a/packages/vant/docs/markdown/home.en-US.md b/packages/vant/docs/markdown/home.en-US.md
index 02261da66..d676a5d0d 100644
--- a/packages/vant/docs/markdown/home.en-US.md
+++ b/packages/vant/docs/markdown/home.en-US.md
@@ -18,6 +18,7 @@
 - 🍭 Support Tree Shaking
 - 🍭 Support Custom Theme
 - 🍭 Support Accessibility (still improving)
+- 🍭 Support Dark Mode (Requires upgrade to [Vant 4](https://vant-contrib.gitee.io/vant/v4/#/en-US/config-provider))
 - 🍭 Support i18n
 - 🍭 Support Dark Mode
 - 🌍 Support SSR
diff --git a/packages/vant/docs/markdown/home.zh-CN.md b/packages/vant/docs/markdown/home.zh-CN.md
index c1c502fe6..c9df21e0b 100644
--- a/packages/vant/docs/markdown/home.zh-CN.md
+++ b/packages/vant/docs/markdown/home.zh-CN.md
@@ -28,6 +28,7 @@ Vant 是**有赞前端团队**开源的移动端组件库，于 2017 年开源
 - 🍭 支持主题定制，内置 700+ 个主题变量
 - 🍭 支持按需引入和 Tree Shaking
 - 🍭 支持无障碍访问（持续改进中）
+- 🍭 支持深色模式（需要升级至 [Vant 4](https://vant-contrib.gitee.io/vant/v4/#/zh-CN/config-provider)）
 - 🍭 支持服务器端渲染
 - 🍭 支持深色模式
 - 🌍 支持国际化和语言包定制
diff --git a/packages/vant/src/area/README.md b/packages/vant/src/area/README.md
index 9dd385804..6de29d52c 100644
--- a/packages/vant/src/area/README.md
+++ b/packages/vant/src/area/README.md
@@ -52,7 +52,7 @@ export default {
 
 ### @vant/area-data
 
-Vant officially provides a default area data, which can be imported through [@vant/area-data](https://github.com/youzan/vant/tree/dev/packages/vant-area-data):
+Vant officially provides a default China area data, which can be imported through [@vant/area-data](https://github.com/youzan/vant/tree/dev/packages/vant-area-data):
 
 ```bash
 # with npm
diff --git a/packages/vant/src/area/README.zh-CN.md b/packages/vant/src/area/README.zh-CN.md
index c897b4e91..f4b52edac 100644
--- a/packages/vant/src/area/README.zh-CN.md
+++ b/packages/vant/src/area/README.zh-CN.md
@@ -54,7 +54,7 @@ const areaList = {
 
 ### @vant/area-data
 
-Vant 官方提供了一份默认的省市区数据，可以通过 [@vant/area-data](https://github.com/youzan/vant/tree/dev/packages/vant-area-data) 引入：
+Vant 官方提供了一份默认的中国省市区数据，可以通过 [@vant/area-data](https://github.com/youzan/vant/tree/dev/packages/vant-area-data) 引入：
 
 ```bash
 # 通过 npm
@@ -77,6 +77,8 @@ export default {
 };
 ```
 
+> Tips: 中国的行政区划每年都会有变动，如果发现省市区数据未及时更新，欢迎提 Pull Request 帮助我们更新。
+
 ### 控制选中项
 
 通过 `v-model` 绑定当前选中的地区码。
diff --git a/packages/vant/src/index-bar/IndexBar.tsx b/packages/vant/src/index-bar/IndexBar.tsx
index d127039a0..5213aebdd 100644
--- a/packages/vant/src/index-bar/IndexBar.tsx
+++ b/packages/vant/src/index-bar/IndexBar.tsx
@@ -81,6 +81,7 @@ export default defineComponent({
     const touch = useTouch();
     const scrollParent = useScrollParent(root);
     const { children, linkChildren } = useChildren(INDEX_BAR_KEY);
+    let selectActiveIndex: string;
 
     linkChildren({ props });
 
@@ -116,6 +117,9 @@ export default defineComponent({
       return -1;
     };
 
+    const getMatchAnchor = (index: string) =>
+      children.find((item) => String(item.index) === index);
+
     const onScroll = () => {
       if (isHidden(root)) {
         return;
@@ -129,7 +133,16 @@ export default defineComponent({
         item.getRect(scrollParent.value, scrollParentRect)
       );
 
-      const active = getActiveAnchor(scrollTop, rects);
+      let active = -1;
+      if (selectActiveIndex) {
+        const match = getMatchAnchor(selectActiveIndex);
+        if (match) {
+          const rect = match.getRect(scrollParent.value, scrollParentRect);
+          active = getActiveAnchor(rect.top, rects);
+        }
+      } else {
+        active = getActiveAnchor(scrollTop, rects);
+      }
 
       activeAnchor.value = indexList[active];
 
@@ -150,7 +163,7 @@ export default defineComponent({
             state.top =
               Math.max(props.stickyOffsetTop, rects[index].top - scrollTop) +
               scrollParentRect.top;
-          } else if (index === active - 1) {
+          } else if (index === active - 1 && selectActiveIndex === '') {
             const activeItemTop = rects[active].top - scrollTop;
             state.active = activeItemTop > 0;
             state.top =
@@ -160,6 +173,8 @@ export default defineComponent({
           }
         });
       }
+
+      selectActiveIndex = '';
     };
 
     const init = () => {
@@ -193,10 +208,19 @@ export default defineComponent({
       });
 
     const scrollTo = (index: string | number) => {
-      index = String(index);
-      const match = children.find((item) => String(item.index) === index);
+      selectActiveIndex = String(index);
+      const match = getMatchAnchor(selectActiveIndex);
 
       if (match) {
+        const scrollTop = getScrollTop(scrollParent.value!);
+        const scrollParentRect = useRect(scrollParent);
+        const { offsetHeight } = document.documentElement;
+
+        if (scrollTop === offsetHeight - scrollParentRect.height) {
+          onScroll();
+          return;
+        }
+
         match.$el.scrollIntoView();
 
         if (props.sticky && props.stickyOffsetTop) {
diff --git a/packages/vant/src/locale/README.md b/packages/vant/src/locale/README.md
index c4ff8a9fd..c3d8cc8bb 100644
--- a/packages/vant/src/locale/README.md
+++ b/packages/vant/src/locale/README.md
@@ -52,6 +52,7 @@ Current supported languages:
 | Italian                  | it-IT        | `v3.4.5` |
 | Japanese                 | ja-JP        | -        |
 | Korean                   | ko-KR        | `v3.4.3` |
+| Lao                      | la-LA        | `v3.4.7` |
 | Norwegian                | nb-NO        | -        |
 | Portuguese (Brazil)      | pt-BR        | `v3.3.3` |
 | Romanian                 | ro-RO        | -        |
diff --git a/packages/vant/src/locale/README.zh-CN.md b/packages/vant/src/locale/README.zh-CN.md
index a73634c1a..29db1db15 100644
--- a/packages/vant/src/locale/README.zh-CN.md
+++ b/packages/vant/src/locale/README.zh-CN.md
@@ -53,6 +53,7 @@ Locale.add(messages);
 | 意大利语             | it-IT        | `v3.4.5` |
 | 日语                 | ja-JP        | -        |
 | 韩语/朝鲜语          | ko-KR        | `v3.4.3` |
+| 老挝语               | la-LA        | `v3.4.7` |
 | 挪威语               | nb-NO        | -        |
 | 葡萄牙语（巴西）     | pt-BR        | `v3.3.3` |
 | 罗马尼亚语           | ro-RO        | -        |
diff --git a/packages/vant/src/locale/lang/la-LA.ts b/packages/vant/src/locale/lang/la-LA.ts
new file mode 100644
index 000000000..a6b3c97f6
--- /dev/null
+++ b/packages/vant/src/locale/lang/la-LA.ts
@@ -0,0 +1,64 @@
+export default {
+  name: 'ຊື່',
+  tel: 'ໂທລະສັບ',
+  save: 'ບັນທຶກ',
+  confirm: 'ຢຶນຢັນ',
+  cancel: 'ຍົກເລີກ',
+  delete: 'ລືບ',
+  loading: 'ກຳລັງໂຫຼດ...',
+  noCoupon: 'ບໍ່ມີຄູປອງ',
+  nameEmpty: 'ກະລຸນາປ້ອນຊື່',
+  addContact: 'ເພີ່ມຜູ້ຕິດຕໍ່',
+  telInvalid: 'ເບີໂທລະສັບບໍ່ຖືກຕ້ອງ',
+  vanCalendar: {
+    end: 'ຈົບ',
+    start: 'ເລີ່ມ',
+    title: 'ການເລືອກວັນທີ່',
+    weekdays: ['ອາ', 'ຈ', 'ອ', 'ພ', 'ພຫ', 'ສ', 'ສ'],
+    monthTitle: (year: number, month: number) => `${year}ປີ${month}ເດືອນ`,
+    rangePrompt: (maxRange: number) =>
+      `ຈຳນອນວັນທີ່ເລືອກຕ້ອງບໍ່ເກີນ ${maxRange} ວັນ`,
+  },
+  vanCascader: {
+    select: 'ກະລຸນາເລືອກ',
+  },
+  vanPagination: {
+    prev: 'ໜ້າທີ່ແລ້ວ',
+    next: 'ໜ້າຕໍ່ໄປ',
+  },
+  vanPullRefresh: {
+    pulling: 'ດືງລົງເພື່ອຣີເຟສ...',
+    loosing: 'ປ່ອຍເພື່ອຣີເຟສ...',
+  },
+  vanSubmitBar: {
+    label: 'ລວມ:',
+  },
+  vanCoupon: {
+    unlimited: 'ບໍ່ ຈຳກັດ',
+    discount: (discount: number) => `ລົດ${discount}`,
+    condition: (condition: number) => `ມີຈຳໜ່າຍໃນລາຄາ ${condition} ກວ່າຫຍວນ`,
+  },
+  vanCouponCell: {
+    title: 'ຄູປອງ',
+    count: (count: number) => `ມີຮູບພາບ ${count} ຮູບ`,
+  },
+  vanCouponList: {
+    exchange: 'ແລກປ່ຽນ',
+    close: 'ບໍ່ໄດ້ໃຊ້',
+    enable: 'ພ້ອມໃຊ້ງານ',
+    disabled: 'ບໍ່ພ້ອມໃຊ້ງານ',
+    placeholder: 'ກະລຸນາປ້ອນຄູປອງ',
+  },
+  vanAddressEdit: {
+    area: 'ພື້ນທີ່',
+    postal: 'ລະຫັດໄປສະນີ',
+    areaEmpty: 'ກະລຸນາເລືອກພື້ນທີ່',
+    addressEmpty: 'ກະລຸນາປ້ອນທີ່ຢູ່',
+    postalEmpty: 'ກະລຸນາປ້ອນລະຫັດໄປສະນີ',
+    addressDetail: 'ທີ່ຢູ່',
+    defaultAddress: 'ຕັ້ງເປັນທີ່ຢູ່ເລີ່ມຕົ້ນ',
+  },
+  vanAddressList: {
+    add: 'ເພີ່ມທີ່ຢູ່',
+  },
+};