diff --git a/pages/components/DocsLayout.tsx b/pages/components/DocsLayout.tsx
index 5f7458a..d75a7f5 100644
--- a/pages/components/DocsLayout.tsx
+++ b/pages/components/DocsLayout.tsx
@@ -51,8 +51,8 @@ export default function DocsLayout({ children }: DocsLayoutProps) {
 	]
 
 	return (
-		<div className="max-w-7xl mx-auto px-6 py-8">
-			<div className="flex gap-8">
+		<div className="max-w-7xl mx-auto px-6 py-8 overflow-x-auto">
+			<div className="flex gap-8 min-w-[900px]">
 				{/* Sidebar */}
 				<aside className="w-64 flex-shrink-0" role="complementary" aria-label="文档导航">
 					<div className="sticky top-8">
diff --git a/pages/components/Header.tsx b/pages/components/Header.tsx
index 81b496c..bfe058c 100644
--- a/pages/components/Header.tsx
+++ b/pages/components/Header.tsx
@@ -1,3 +1,4 @@
+import { useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import { Link } from 'wouter'
 
@@ -6,6 +7,8 @@ import ThemeSwitcher from './ThemeSwitcher'
 
 export default function Header() {
 	const { t } = useTranslation('common')
+	const [mobileMenuOpen, setMobileMenuOpen] = useState(false)
+
 	return (
 		<>
 			<header
@@ -19,6 +22,7 @@ export default function Header() {
 							href="/"
 							className="flex items-center space-x-3 group"
 							aria-label={t('header.logo_alt')}
+							onClick={() => setMobileMenuOpen(false)}
 						>
 							<div className="w-10 h-10 bg-gradient-to-br from-blue-500 to-purple-600 rounded-xl flex items-center justify-center group-hover:scale-110 transition-transform duration-200">
 								<span className="text-white font-bold text-2xl lg:text-2xl" aria-hidden="true">
@@ -31,7 +35,7 @@ export default function Header() {
 							</div>
 						</Link>
 
-						{/* Navigation */}
+						{/* Desktop Navigation */}
 						<nav
 							className="hidden md:flex items-center space-x-6"
 							role="navigation"
@@ -78,8 +82,9 @@ export default function Header() {
 							type="button"
 							className="md:hidden p-2 rounded-lg text-gray-600 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors duration-200"
 							aria-label={t('header.mobile_menu')}
-							aria-expanded="false"
+							aria-expanded={mobileMenuOpen}
 							aria-controls="mobile-menu"
+							onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
 						>
 							<svg
 								className="w-6 h-6"
@@ -88,15 +93,71 @@ export default function Header() {
 								viewBox="0 0 24 24"
 								aria-hidden="true"
 							>
-								<path
-									strokeLinecap="round"
-									strokeLinejoin="round"
-									strokeWidth={2}
-									d="M4 6h16M4 12h16M4 18h16"
-								/>
+								{mobileMenuOpen ? (
+									<path
+										strokeLinecap="round"
+										strokeLinejoin="round"
+										strokeWidth={2}
+										d="M6 18L18 6M6 6l12 12"
+									/>
+								) : (
+									<path
+										strokeLinecap="round"
+										strokeLinejoin="round"
+										strokeWidth={2}
+										d="M4 6h16M4 12h16M4 18h16"
+									/>
+								)}
 							</svg>
 						</button>
 					</div>
+
+					{/* Mobile Navigation */}
+					{mobileMenuOpen && (
+						<nav
+							id="mobile-menu"
+							className="md:hidden pt-4 pb-2 space-y-3 border-t border-gray-200 dark:border-gray-700 mt-4"
+							role="navigation"
+						>
+							<Link
+								href="/docs/introduction/overview"
+								className="flex items-center gap-2 px-3 py-2 rounded-lg text-gray-600 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-800 hover:text-blue-600 dark:hover:text-blue-400 transition-colors duration-200"
+								onClick={() => setMobileMenuOpen(false)}
+							>
+								<svg
+									className="w-5 h-5"
+									fill="none"
+									stroke="currentColor"
+									viewBox="0 0 24 24"
+									aria-hidden="true"
+								>
+									<path
+										strokeLinecap="round"
+										strokeLinejoin="round"
+										strokeWidth={2}
+										d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253"
+									/>
+								</svg>
+								{t('header.nav_docs')}
+							</Link>
+							<a
+								href="https://github.com/alibaba/page-agent"
+								target="_blank"
+								rel="noopener noreferrer"
+								className="flex items-center gap-2 px-3 py-2 rounded-lg text-gray-600 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-800 hover:text-blue-600 dark:hover:text-blue-400 transition-colors duration-200"
+								aria-label={t('header.nav_source')}
+							>
+								<svg className="w-5 h-5" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+									<path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z" />
+								</svg>
+								{t('header.nav_source')}
+							</a>
+							<div className="flex items-center gap-3 px-3 py-2">
+								<ThemeSwitcher />
+								<LanguageSwitcher />
+							</div>
+						</nav>
+					)}
 				</div>
 			</header>
 		</>
diff --git a/pages/i18n/locales/en-US/common.ts b/pages/i18n/locales/en-US/common.ts
index 7eab18d..a483f00 100644
--- a/pages/i18n/locales/en-US/common.ts
+++ b/pages/i18n/locales/en-US/common.ts
@@ -4,7 +4,7 @@ export default {
 		slogan: 'GUI Agent in your webpage',
 		nav_docs: 'Docs',
 		nav_source: 'GitHub',
-		mobile_menu: 'Open mobile menu',
+		mobile_menu: 'Open navigation',
 	},
 	footer: {
 		copyright: '© 2025 page-agent. All rights reserved.',
diff --git a/pages/i18n/locales/zh-CN/common.ts b/pages/i18n/locales/zh-CN/common.ts
index 203bd1d..cc1e272 100644
--- a/pages/i18n/locales/zh-CN/common.ts
+++ b/pages/i18n/locales/zh-CN/common.ts
@@ -4,7 +4,7 @@ export default {
 		slogan: 'GUI Agent in your webpage',
 		nav_docs: '文档',
 		nav_source: 'GitHub',
-		mobile_menu: '打开移动端菜单',
+		mobile_menu: '打开导航',
 	},
 	footer: {
 		copyright: '© 2025 page-agent. All rights reserved.',
diff --git a/pages/i18n/locales/zh-CN/home.ts b/pages/i18n/locales/zh-CN/home.ts
index b569122..c9e181d 100644
--- a/pages/i18n/locales/zh-CN/home.ts
+++ b/pages/i18n/locales/zh-CN/home.ts
@@ -10,7 +10,7 @@ export default {
 		tab_other: '🌐 其他网页尝试',
 		input_placeholder: '输入您想要 AI 执行的任务...',
 		execute_button: '执行',
-		default_task: '进入文档页，打开数据脱敏相关的文档，帮我总结成 markdown',
+		default_task: '导航栏中进入文档页，打开数据脱敏相关的文档，帮我总结成 markdown',
 	},
 	try_other: {
 		step1_title: '步骤 1:',