diff --git a/.github/actions/update-search-index/action.yml b/.github/actions/update-search-index/action.yml
index 7d40c350..eb6361c5 100644
--- a/.github/actions/update-search-index/action.yml
+++ b/.github/actions/update-search-index/action.yml
@@ -4,11 +4,8 @@ inputs:
   locale:
     description: "Locale to update (e.g., 'en' or 'zh-hans')"
     required: true
-  orama_private_api_key_en:
-    description: "Orama Private API Key for EN"
-    required: true
-  orama_private_api_key_zh_hans:
-    description: "Orama Private API Key for ZH-HANS"
+  orama_private_api_key:
+    description: "Orama Private API Key"
     required: true
 runs:
   using: "composite"
@@ -26,5 +23,4 @@ runs:
       run: pnpm run update-search-index
       env:
         LOCALE: "${{ inputs.locale }}"
-        ORAMA_PRIVATE_API_KEY_EN: ${{ inputs.orama_private_api_key_en }}
-        ORAMA_PRIVATE_API_KEY_ZH_HANS: ${{ inputs.orama_private_api_key_zh_hans }}
+        ORAMA_PRIVATE_API_KEY: ${{ inputs.orama_private_api_key }}
diff --git a/.github/actions/vercel-deploy/action.yml b/.github/actions/vercel-deploy/action.yml
index 6aae8586..7ff908f4 100644
--- a/.github/actions/vercel-deploy/action.yml
+++ b/.github/actions/vercel-deploy/action.yml
@@ -30,6 +30,14 @@ runs:
         VERCEL_PROJECT_ID: ${{ inputs.vercel_project_id }}
         VERCEL_ORG_ID: ${{ inputs.vercel_org_id }}
       shell: bash
+    - name: Echo Vercel Environment File
+      run: |
+        ls -l .vercel/.env*
+        for f in .vercel/.env*; do
+          echo "\n----- $f -----"
+          cat "$f"
+        done
+      shell: bash
     - name: Build Project Artifacts
       run: npx vercel build ${{ inputs.prodFlag }} --token=${{ inputs.vercel_token }}
       env:
diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index f42bb615..9d8a05fa 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -19,13 +19,13 @@ jobs:
     strategy:
       matrix:
         include:
-          - name: Deploy EN
-            locale: EN
+          - locale: en
             secret_project_id: VERCEL_PROJECT_EN_ID
-          - name: Deploy ZH-HANS
-            locale: ZH-HANS
+          - locale: zh-hans
             secret_project_id: VERCEL_PROJECT_ZH_HANS_ID
-    name: ${{ matrix.name }}
+          - locale: zh-hant
+            secret_project_id: VERCEL_PROJECT_ZH_HANT_ID
+    name: Deploy ${{ matrix.locale }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -38,7 +38,6 @@ jobs:
         uses: ./.github/actions/vercel-deploy
         with:
           environment: preview
-          prodFlag: ""
           vercel_project_id: ${{ secrets[matrix.secret_project_id] }}
           vercel_org_id: ${{ secrets.VERCEL_ORG_ID }}
           vercel_token: ${{ secrets.VERCEL_TOKEN }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 53af9eb2..b178fba8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,13 +12,16 @@ jobs:
     strategy:
       matrix:
         include:
-          - name: Deploy EN
-            locale: en
+          - locale: en
             secret_project_id: VERCEL_PROJECT_EN_ID
-          - name: Deploy ZH-HANS
-            locale: zh-hans
+            orama_private_api_key: ORAMA_PRIVATE_API_KEY_EN
+          - locale: zh-hans
             secret_project_id: VERCEL_PROJECT_ZH_HANS_ID
-    name: ${{ matrix.name }}
+            orama_private_api_key: ORAMA_PRIVATE_API_KEY_ZH_HANS
+          - locale: zh-hant
+            secret_project_id: VERCEL_PROJECT_ZH_HANT_ID
+            orama_private_api_key: ORAMA_PRIVATE_API_KEY_ZH_HANT
+    name: Deploy ${{ matrix.locale }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -39,5 +42,4 @@ jobs:
         uses: ./.github/actions/update-search-index
         with:
           locale: ${{ matrix.locale }}
-          orama_private_api_key_en: ${{ secrets.ORAMA_PRIVATE_API_KEY_EN }}
-          orama_private_api_key_zh_hans: ${{ secrets.ORAMA_PRIVATE_API_KEY_ZH_HANS }}
+          orama_private_api_key: ${{ secrets[matrix.orama_private_api_key] }}
diff --git a/README.md b/README.md
index 17d9e4de..965e85d8 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ pnpm dev
 This project includes a custom translation utility that can translate the Next.js documentation into multiple languages. Currently, it supports:
 
 - English (source)
-- Simplified Chinese (zh-Hans)
+- Simplified Chinese (zh-hans)
 - More languages can be added in the translation configuration
 
 Documentation content is stored in the `apps/docs/content` directory:
diff --git a/apps/docs/messages/zh-hant.json b/apps/docs/messages/zh-hant.json
new file mode 100644
index 00000000..aa8e6dee
--- /dev/null
+++ b/apps/docs/messages/zh-hant.json
@@ -0,0 +1,97 @@
+{
+  "baseOptions": {
+    "title": "Next.js 繁體中文",
+    "doc": "文件"
+  },
+  "meta": {
+    "title": "Next.js - 繁體中文",
+    "description": "生產級 React 應用，具備卓越擴展能力。全球領先企業都在用 Next.js by Vercel 構建靜態和動態網站及 Web 應用。"
+  },
+  "sidebar": {
+    "app": {
+      "title": "使用 App 路由器",
+      "description": "/app 中可用的功能"
+    },
+    "pages": {
+      "title": "使用 Pages 路由器",
+      "description": "/pages 中可用的功能"
+    },
+    "version": {
+      "latest": {
+        "title": "使用最新版本"
+      },
+      "v14": {
+        "title": "使用 14 版"
+      },
+      "v13": {
+        "title": "使用 13 版"
+      }
+    }
+  },
+  "HomePage": {
+    "title": "React 框架，面向 Web",
+    "subtitle": "被全球領先企業採用，Next.js 讓你可以用 React 元件的力量構建 <strong>高品質 Web 應用</strong>。",
+    "getStarted": "快速開始",
+    "learn": "學習 Next.js",
+    "copyCommand": "▲ ~ npx create-next-app@latest",
+    "featuresTitle": "Next.js 有什麼？",
+    "featuresSubtitle": "構建卓越 Web 產品所需的一切。",
+    "features": [
+      {
+        "title": "內建最佳化",
+        "desc": "自動圖片、字型和腳本最佳化，提升用戶體驗和核心 Web 指標。",
+        "href": "/docs/app/building-your-application/optimizing/images"
+      },
+      {
+        "title": "資料獲取",
+        "desc": "讓你的 React 元件支援 async/await。Next.js 支援伺服器端和客戶端資料獲取。",
+        "href": "/docs/app/building-your-application/data-fetching"
+      },
+      {
+        "title": "伺服器端操作",
+        "desc": "透過呼叫函式直接執行伺服器端程式碼，無需 API。輕鬆重新驗證快取並在一次網路往返中更新 UI。",
+        "href": "/docs/app/building-your-application/data-fetching/forms-and-mutations"
+      },
+      {
+        "title": "進階路由與巢狀路由",
+        "desc": "透過檔案系統建立路由，支援更進階的路由模式和 UI 佈局。",
+        "href": "/docs/app/building-your-application/routing"
+      },
+      {
+        "title": "動態 HTML 串流渲染",
+        "desc": "從伺服器即時串流渲染 UI，整合 App Router 和 React Suspense。",
+        "href": "/docs/app/building-your-application/routing/loading-ui-and-streaming"
+      },
+      {
+        "title": "CSS 支援",
+        "desc": "用你喜歡的工具為應用添加樣式，支援 CSS Modules、Tailwind CSS 及主流社群庫。",
+        "href": "/docs/app/building-your-application/styling"
+      },
+      {
+        "title": "路由處理器",
+        "desc": "構建 API 端點，安全連接第三方服務，處理認證或監聽 Webhook。",
+        "href": "/docs/app/building-your-application/routing/router-handlers"
+      },
+      {
+        "title": "中介軟體",
+        "desc": "靈活控制請求入口。用程式碼定義路由和存取規則，實現認證、實驗和國際化。",
+        "href": "/docs/app/building-your-application/routing/middleware"
+      },
+      {
+        "title": "React 伺服器端元件",
+        "desc": "無需傳送額外客戶端 JS 即可添加元件，基於最新 React 特性。",
+        "href": "/docs/app/building-your-application/rendering/server-components"
+      },
+      {
+        "title": "客戶端與伺服器端渲染",
+        "desc": "靈活的渲染與快取選項，包括每頁級別的 ISR（增量靜態再生）。",
+        "href": "/docs/app/building-your-application/rendering"
+      },
+      {
+        "title": "Next.js 15",
+        "desc": "全端能力賦能前端。閱讀發佈說明。",
+        "href": "/blog/next-15"
+      }
+    ]
+  }
+}
diff --git a/apps/docs/scripts/update-orama-index.mts b/apps/docs/scripts/update-orama-index.mts
index 08cc7478..5527e93f 100644
--- a/apps/docs/scripts/update-orama-index.mts
+++ b/apps/docs/scripts/update-orama-index.mts
@@ -7,10 +7,17 @@ import type { Locale } from 'next-intl';
 import { sync } from '../src/lib/orama/orama-cloud';
 
 export async function updateSearchIndexes(): Promise<void> {
-  const { locale, privateKey, index } =
-    ORAMA_CONFIGS_MAP[process.env.LOCALE as Locale];
+  if (!process.env.ORAMA_PRIVATE_API_KEY) {
+    console.warn(
+      'ORAMA_PRIVATE_API_KEY is not set. Skipping Orama index update.',
+    );
+    return;
+  }
+  const { locale, index } = ORAMA_CONFIGS_MAP[process.env.LOCALE as Locale];
 
-  const manager = new CloudManager({ api_key: privateKey });
+  const manager = new CloudManager({
+    api_key: process.env.ORAMA_PRIVATE_API_KEY || '',
+  });
   // Get all .body files in the static directory
   const staticDir = path.join('.next/server/app/static');
   let allRecords: OramaDocument[] = [];
diff --git a/apps/docs/scripts/update-search-index.mts b/apps/docs/scripts/update-search-index.mts
index c7fef9af..b6399e3b 100644
--- a/apps/docs/scripts/update-search-index.mts
+++ b/apps/docs/scripts/update-search-index.mts
@@ -1,6 +1,8 @@
 import env from '@next/env';
 env.loadEnvConfig(process.cwd());
 
+console.log(process.env);
+
 import { updateSearchIndexes } from './update-orama-index.mjs';
 
 async function main() {
diff --git a/apps/docs/src/lib/orama/config.ts b/apps/docs/src/lib/orama/config.ts
index 63ebafe6..70cf7f6d 100644
--- a/apps/docs/src/lib/orama/config.ts
+++ b/apps/docs/src/lib/orama/config.ts
@@ -2,7 +2,6 @@ import type { Locale } from 'next-intl';
 
 const ORAMA_EN_CONFIG = {
   locale: 'en',
-  privateKey: process.env.ORAMA_PRIVATE_API_KEY_EN || '',
   apiKey: '4DujbZrvGuklBRFcZBtegX3fV1lzNXnU',
   index: 'vuywlowcbl1w3s2jtvq5ysxl',
   endpoint: 'https://cloud.orama.run/v1/indexes/en-ai00ky',
@@ -12,15 +11,22 @@ type ORAMA_EN_CONFIG = typeof ORAMA_EN_CONFIG;
 
 const OORAMA_ZH_HANS_CONFIG = {
   locale: 'zh-hans',
-  privateKey: process.env.ORAMA_PRIVATE_API_KEY_ZH_HANS || '',
   apiKey: '6nEUS4tyXiajWxZ8qMEQMzzLoOYTuLSk',
   index: 'vcwl00bwd64h3pa8yq8x107y',
   endpoint: 'https://cloud.orama.run/v1/indexes/zh-hans-js5ujm',
 };
 
+const OORAMA_ZH_HANT_CONFIG = {
+  locale: 'zh-hant',
+  apiKey: 'm2Wdhf6R37fKAhXNDufzbegTuQdz6aqf',
+  index: 'l4wtdj6zo3gpv432pmf4s98g',
+  endpoint: 'https://cloud.orama.run/v1/indexes/zh-hant-nvys3a',
+};
+
 export const ORAMA_CONFIGS = [ORAMA_EN_CONFIG, OORAMA_ZH_HANS_CONFIG] as const;
 
 export const ORAMA_CONFIGS_MAP: Record<Locale, ORAMA_EN_CONFIG> = {
   en: ORAMA_EN_CONFIG,
   'zh-hans': OORAMA_ZH_HANS_CONFIG,
+  'zh-hant': OORAMA_ZH_HANT_CONFIG,
 } as const;
diff --git a/apps/docs/translation.config.mjs b/apps/docs/translation.config.mjs
index 9b61df8a..3b0056aa 100644
--- a/apps/docs/translation.config.mjs
+++ b/apps/docs/translation.config.mjs
@@ -1,6 +1,6 @@
 export default {
   langs: {
-    'zh-Hans': {
+    'zh-hans': {
       name: 'Simplified Chinese',
       // 翻译规则和指南
       guide: `
@@ -13,19 +13,19 @@ export default {
       // 格式: 'English term': '中文翻译'
       terms: {},
     },
-    //     'zh-Hant': {
-    //       name: 'Traditional Chinese',
-    //       // 翻譯規則和指南
-    //       guide: `
-    //     - For technical terms that should not be fully translated, use the format: "繁體中文翻譯 (English term)"
-    //       Example: "伺服器渲染 (SSR)" instead of just "SSR" or just "伺服器渲染"
-    //     - Add a space between Chinese characters and English words/symbols to improve readability
-    //     - Maintain consistent translations for common terms across the entire document
-    // `,
-    //       // 常見技術術語翻譯詞典
-    //       // 格式: 'English term': '繁體中文翻譯'
-    //       terms: {},
-    //     },
+    'zh-hant': {
+      name: 'Traditional Chinese',
+      // 翻譯規則和指南
+      guide: `
+        - For technical terms that should not be fully translated, use the format: "繁體中文翻譯 (English term)"
+          Example: "伺服器渲染 (SSR)" instead of just "SSR" or just "伺服器渲染"
+        - Add a space between Chinese characters and English words/symbols to improve readability
+        - Maintain consistent translations for common terms across the entire document
+    `,
+      // 常見技術術語翻譯詞典
+      // 格式: 'English term': '繁體中文翻譯'
+      terms: {},
+    },
     //     ja: {
     //       name: 'Japanese',
     //       guide: `