diff --git a/src/app/[locale]/layout.tsx b/src/app/[locale]/layout.tsx
index 83673ca..08f6a02 100644
--- a/src/app/[locale]/layout.tsx
+++ b/src/app/[locale]/layout.tsx
@@ -1,7 +1,9 @@
 import { notFound } from "next/navigation"
-import { setRequestLocale } from 'next-intl/server'
+import { setRequestLocale, getTranslations } from 'next-intl/server'
 import Link from "next/link"
 import { LocaleSwitcher } from "@/components/locale/LocaleSwitcher"
+import { AnnouncementBar } from "@/components/layout/AnnouncementBar"
+import type { Metadata } from "next"
 
 const locales = ['zh', 'en']
 
@@ -9,6 +11,20 @@ export async function generateStaticParams() {
   return locales.map((locale) => ({ locale }))
 }
 
+export async function generateMetadata({
+  params
+}: {
+  params: Promise<{ locale: string }>
+}): Promise<Metadata> {
+  const { locale } = await params
+  const t = await getTranslations('home')
+
+  return {
+    title: t('metaTitle'),
+    description: t('metaDescription'),
+  }
+}
+
 export default async function LocaleLayout({
   children,
   params
@@ -23,13 +39,15 @@ export default async function LocaleLayout({
 
   setRequestLocale(locale)
 
+  // Get translations
+  const t = await getTranslations('layout')
+  const tNav = await getTranslations('navigation')
+  const tHome = await getTranslations('home')
+
   return (
     <div className="min-h-screen flex flex-col">
       {/* Top announcement bar */}
-      <div className="bg-primary w-full py-2 px-4 border-b-2 border-black dark:border-gray-600 flex justify-center items-center text-xs font-bold font-display tracking-wide text-black">
-        <span>DISCOVER THE FUTURE OF AI AGENTS</span>
-        <span className="material-icons text-sm align-middle ml-1">arrow_forward</span>
-      </div>
+      <AnnouncementBar text={t('announcement')} href={t('announcementHref')} locale={locale} />
 
       {/* Navigation */}
       <header className="w-full border-b-2 border-black dark:border-gray-600 bg-background-light dark:bg-background-dark sticky top-0 z-50">
@@ -49,36 +67,39 @@ export default async function LocaleLayout({
                 className="font-display text-sm font-bold hover:text-secondary dark:hover:text-primary transition-colors"
                 href={`/${locale}`}
               >
-                HOME
+                {tNav('home')}
               </Link>
               <Link
                 className="font-display text-sm font-bold hover:text-secondary dark:hover:text-primary transition-colors"
                 href={`/${locale}/projects`}
               >
-                PROJECTS
+                {tNav('projects')}
               </Link>
               <Link
                 className="font-display text-sm font-bold hover:text-secondary dark:hover:text-primary transition-colors"
                 href="#"
               >
-                BLOG
+                {tNav('blog')}
               </Link>
               <Link
                 className="font-display text-sm font-bold hover:text-secondary dark:hover:text-primary transition-colors"
                 href="#"
               >
-                ABOUT
+                {tNav('about')}
               </Link>
             </nav>
 
             {/* Right side */}
             <div className="hidden md:flex items-center space-x-4">
-              <LocaleSwitcher currentLocale={locale} />
+              <LocaleSwitcher
+                currentLocale={locale}
+                switchUrl={`/${locale === 'zh' ? 'en' : 'zh'}`}
+              />
               <Link
                 className="bg-white dark:bg-surface-dark border-2 border-black dark:border-white px-4 py-2 font-display text-sm font-bold shadow-neo-sm hover:shadow-none hover:translate-x-[2px] hover:translate-y-[2px] transition-all"
                 href="#"
               >
-                SUBMIT PROJECT
+                {tNav('submitProject')}
               </Link>
             </div>
 
@@ -98,27 +119,31 @@ export default async function LocaleLayout({
       <section className="border-t-2 border-black dark:border-gray-600">
         <div className="grid grid-cols-1 md:grid-cols-2">
           <div className="bg-primary dark:bg-yellow-600 p-12 md:p-20 border-b-2 md:border-b-0 md:border-r-2 border-black dark:border-gray-600 flex flex-col justify-center">
-            <h2 className="font-display text-4xl font-bold text-black mb-4">STAY UPDATED</h2>
+            <h2 className="font-display text-4xl font-bold text-black mb-4">{t('stayUpdated')}</h2>
             <p className="font-sans text-black mb-8 max-w-md">
-              Get the latest AI tools and trends delivered straight to your inbox. No spam, just intelligence.
+              {t('stayUpdatedDesc')}
             </p>
             <form className="space-y-4 max-w-md">
               <input
                 className="w-full bg-background-light border-2 border-black p-3 font-display text-sm placeholder-gray-500 focus:outline-none focus:ring-2 focus:ring-black"
-                placeholder="E-mail"
+                placeholder={t('email')}
                 type="email"
+                id="newsletter-email"
+                name="email"
+                autoComplete="email"
+                required
               />
               <div className="flex items-center gap-2">
-                <input className="w-4 h-4 border-2 border-black text-black focus:ring-0" id="consent" type="checkbox" />
+                <input className="w-4 h-4 border-2 border-black text-black focus:ring-0" id="consent" name="consent" type="checkbox" required />
                 <label className="text-xs font-bold font-display text-black" htmlFor="consent">
-                  Subscribe to Agent Park updates
+                  {t('subscribeConsent')}
                 </label>
               </div>
               <button
                 className="bg-white text-black font-display font-bold py-3 px-8 border-2 border-black shadow-neo hover:shadow-none hover:translate-x-[2px] hover:translate-y-[2px] transition-all"
                 type="submit"
               >
-                SUBSCRIBE
+                {t('subscribe')}
               </button>
             </form>
           </div>
@@ -144,26 +169,26 @@ export default async function LocaleLayout({
                 <span className="font-display font-bold text-lg tracking-tight">Agent Park</span>
               </Link>
               <p className="text-sm text-gray-600 dark:text-gray-400">
-                Discover and explore high-quality AI projects from across the web. Curated for developers and enthusiasts.
+                {t('footerDesc')}
               </p>
             </div>
             <div>
-              <h4 className="font-display font-bold text-lg mb-4">Resources</h4>
+              <h4 className="font-display font-bold text-lg mb-4">{t('resources')}</h4>
               <ul className="space-y-2 text-sm font-sans text-gray-600 dark:text-gray-400">
-                <li><Link className="hover:text-black dark:hover:text-white" href="#">Blog</Link></li>
+                <li><Link className="hover:text-black dark:hover:text-white" href="#">{tNav('blog')}</Link></li>
                 <li><Link className="hover:text-black dark:hover:text-white" href="#">Newsletter</Link></li>
                 <li><Link className="hover:text-black dark:hover:text-white" href="#">Documentation</Link></li>
               </ul>
             </div>
             <div>
-              <h4 className="font-display font-bold text-lg mb-4">Legal</h4>
+              <h4 className="font-display font-bold text-lg mb-4">{t('legal')}</h4>
               <ul className="space-y-2 text-sm font-sans text-gray-600 dark:text-gray-400">
-                <li><Link className="hover:text-black dark:hover:text-white" href="#">Privacy Policy</Link></li>
-                <li><Link className="hover:text-black dark:hover:text-white" href="#">Terms of Service</Link></li>
+                <li><Link className="hover:text-black dark:hover:text-white" href="#">{t('privacyPolicy')}</Link></li>
+                <li><Link className="hover:text-black dark:hover:text-white" href="#">{t('termsOfService')}</Link></li>
               </ul>
             </div>
             <div>
-              <h4 className="font-display font-bold text-lg mb-4">Follow Us</h4>
+              <h4 className="font-display font-bold text-lg mb-4">{t('followUs')}</h4>
               <div className="flex space-x-4">
                 <Link className="w-10 h-10 border-2 border-black dark:border-gray-500 flex items-center justify-center hover:bg-primary hover:text-black transition-colors font-display font-bold" href="#">X</Link>
                 <Link className="w-10 h-10 border-2 border-black dark:border-gray-500 flex items-center justify-center hover:bg-primary hover:text-black transition-colors font-display font-bold" href="#">Li</Link>
@@ -172,9 +197,9 @@ export default async function LocaleLayout({
             </div>
           </div>
           <div className="border-t border-black dark:border-gray-700 pt-8 flex flex-col md:flex-row justify-between items-center">
-            <p className="text-sm text-gray-500 font-display">© 2025 Agent Park. All rights reserved.</p>
+            <p className="text-sm text-gray-500 font-display">{t('copyright')}</p>
             <div className="mt-4 md:mt-0 font-display text-sm font-bold">
-              DESIGNED FOR AI BUILDERS
+              {t('designedFor')}
             </div>
           </div>
         </div>
diff --git a/src/components/layout/AnnouncementBar.tsx b/src/components/layout/AnnouncementBar.tsx
new file mode 100644
index 0000000..2084ef3
--- /dev/null
+++ b/src/components/layout/AnnouncementBar.tsx
@@ -0,0 +1,52 @@
+'use client'
+
+import { useState, useEffect } from 'react'
+import Link from 'next/link'
+
+interface AnnouncementBarProps {
+  text: string
+  href: string
+  locale: string
+}
+
+export function AnnouncementBar({ text, href, locale }: AnnouncementBarProps) {
+  const [isVisible, setIsVisible] = useState(true)
+
+  useEffect(() => {
+    // Check if user has closed the announcement before
+    const hasClosed = localStorage.getItem('announcement-closed')
+    if (hasClosed === 'true') {
+      setIsVisible(false)
+    }
+  }, [])
+
+  const handleClose = (e: React.MouseEvent) => {
+    e.preventDefault() // Prevent link navigation
+    e.stopPropagation()
+    setIsVisible(false)
+    localStorage.setItem('announcement-closed', 'true')
+  }
+
+  if (!isVisible) {
+    return null
+  }
+
+  return (
+    <Link
+      href={`/${locale}${href}`}
+      className="bg-primary w-full py-2 px-4 border-b-2 border-black dark:border-gray-600 flex justify-center items-center text-xs font-bold font-display tracking-wide text-black hover:opacity-90 transition-opacity relative"
+    >
+      <span>{text}</span>
+      <span className="material-icons text-sm align-middle ml-1">arrow_forward</span>
+
+      {/* Close button */}
+      <button
+        onClick={handleClose}
+        className="absolute right-4 hover:bg-black/10 rounded-full p-1 transition-colors"
+        aria-label="Close announcement"
+      >
+        <span className="material-icons text-sm">close</span>
+      </button>
+    </Link>
+  )
+}
diff --git a/src/messages/en.json b/src/messages/en.json
index 8f49ac0..d73e3e6 100644
--- a/src/messages/en.json
+++ b/src/messages/en.json
@@ -3,15 +3,19 @@
     "search": "Search",
     "loading": "Loading...",
     "noResults": "No results found",
+    "noProjects": "No projects yet",
     "viewMore": "View More",
-    "backToHome": "Back to Home"
+    "backToHome": "Back to Home",
+    "viewDetails": "VIEW DETAILS"
   },
   "home": {
     "title": "AI Project Navigator",
     "subtitle": "Discover and explore AI projects",
     "featuredProjects": "Featured Projects",
     "browseByTag": "Browse by Tag",
-    "searchPlaceholder": "Search AI projects..."
+    "searchPlaceholder": "Search AI projects...",
+    "metaTitle": "Agent Park - AI Project Navigator",
+    "metaDescription": "Discover and explore quality AI projects from across the web"
   },
   "project": {
     "details": "Project Details",
@@ -21,11 +25,34 @@
     "website": "Website",
     "github": "GitHub",
     "huggingface": "HuggingFace",
-    "paper": "Paper"
+    "paper": "Paper",
+    "submitYourProject": "Submit Your Project",
+    "submitProjectTitle": "Submit Your Project",
+    "submitProjectDescription": "Have an AI tool worth sharing? Add it to Agent Park.",
+    "submitNow": "SUBMIT NOW"
   },
   "navigation": {
     "home": "Home",
     "projects": "Projects",
-    "about": "About"
+    "blog": "Blog",
+    "about": "About",
+    "submitProject": "SUBMIT PROJECT"
+  },
+  "layout": {
+    "announcement": "DISCOVER THE FUTURE OF AI AGENTS",
+    "announcementHref": "/projects",
+    "stayUpdated": "STAY UPDATED",
+    "stayUpdatedDesc": "Get the latest AI tools and trends delivered straight to your inbox. No spam, just intelligence.",
+    "email": "E-mail",
+    "subscribe": "SUBSCRIBE",
+    "subscribeConsent": "Subscribe to Agent Park updates",
+    "footerDesc": "Discover and explore high-quality AI projects from across the web. Curated for developers and enthusiasts.",
+    "resources": "Resources",
+    "legal": "Legal",
+    "privacyPolicy": "Privacy Policy",
+    "termsOfService": "Terms of Service",
+    "followUs": "Follow Us",
+    "copyright": "© 2025 Agent Park. All rights reserved.",
+    "designedFor": "DESIGNED FOR AI BUILDERS"
   }
 }
diff --git a/src/messages/zh.json b/src/messages/zh.json
index 5803633..8e62449 100644
--- a/src/messages/zh.json
+++ b/src/messages/zh.json
@@ -3,15 +3,19 @@
     "search": "搜索",
     "loading": "加载中...",
     "noResults": "未找到结果",
+    "noProjects": "暂无项目",
     "viewMore": "查看更多",
-    "backToHome": "返回首页"
+    "backToHome": "返回首页",
+    "viewDetails": "查看详情"
   },
   "home": {
     "title": "AI 项目导航",
     "subtitle": "发现和探索全网优质 AI 项目",
     "featuredProjects": "精选项目",
     "browseByTag": "按标签浏览",
-    "searchPlaceholder": "搜索 AI 项目..."
+    "searchPlaceholder": "搜索 AI 项目...",
+    "metaTitle": "Agent Park - AI 项目导航",
+    "metaDescription": "发现和探索全网优质 AI 项目"
   },
   "project": {
     "details": "项目详情",
@@ -21,11 +25,34 @@
     "website": "官网",
     "github": "GitHub",
     "huggingface": "HuggingFace",
-    "paper": "论文"
+    "paper": "论文",
+    "submitYourProject": "提交你的项目",
+    "submitProjectTitle": "提交你的项目",
+    "submitProjectDescription": "有值得分享的 AI 工具吗？将其添加到 Agent Park。",
+    "submitNow": "立即提交"
   },
   "navigation": {
     "home": "首页",
     "projects": "项目列表",
-    "about": "关于"
+    "blog": "博客",
+    "about": "关于",
+    "submitProject": "提交项目"
+  },
+  "layout": {
+    "announcement": "发现 AI 代理的未来",
+    "announcementHref": "/projects",
+    "stayUpdated": "保持更新",
+    "stayUpdatedDesc": "获取最新的 AI 工具和趋势，直接发送到您的收件箱。没有垃圾邮件，只有智能。",
+    "email": "电子邮箱",
+    "subscribe": "订阅",
+    "subscribeConsent": "订阅 Agent Park 更新",
+    "footerDesc": "发现和探索来自全网的高质量 AI 项目。为开发者和爱好者精心策划。",
+    "resources": "资源",
+    "legal": "法律",
+    "privacyPolicy": "隐私政策",
+    "termsOfService": "服务条款",
+    "followUs": "关注我们",
+    "copyright": "© 2025 Agent Park. 保留所有权利。",
+    "designedFor": "专为 AI 构建者设计"
   }
 }