diff --git a/public/index.html b/public/index.html
index 316970ff..f8c1236a 100755
--- a/public/index.html
+++ b/public/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en" dir="ltr" layout="admin">
+<html lang="zh-CN" dir="ltr" layout="admin">
   <head>
     <meta charset="utf-8" />
     <meta
@@ -7,6 +7,177 @@
       content="width=device-width, initial-scale=1, shrink-to-fit=no"
     />
     <meta name="theme-color" content="#000000" />
+
+    <!-- 基本 SEO -->
+    <title>价值前沿 - 金融AI舆情分析系统 | LLM赋能的智能分析平台</title>
+    <meta name="description" content="基于金融大语言模型，实时监控股市行情、a股、美股，提供英伟达、小米等企业舆情分析，助力投资决策" />
+    <meta name="keywords" content="金融AI,舆情分析,股市行情,LLM,价值前沿,a股,美股,投资分析" />
+    <link rel="canonical" href="https://valuefrontier.cn/" />
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="https://valuefrontier.cn/" />
+    <meta property="og:title" content="价值前沿 - 金融AI舆情分析系统" />
+    <meta property="og:description" content="基于金融大语言模型，实时监控股市行情、a股、美股，提供英伟达、小米等企业舆情分析" />
+    <meta property="og:image" content="https://valuefrontier.cn/og-image.jpg" />
+    <meta property="og:site_name" content="价值前沿" />
+    <meta property="og:locale" content="zh_CN" />
+
+    <!-- Twitter Card -->
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:url" content="https://valuefrontier.cn/" />
+    <meta name="twitter:title" content="价值前沿 - 金融AI舆情分析系统" />
+    <meta name="twitter:description" content="基于金融大语言模型，实时监控股市行情、a股、美股" />
+    <meta name="twitter:image" content="https://valuefrontier.cn/og-image.jpg" />
+
+    <!-- SEO 增强 -->
+    <meta name="robots" content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1" />
+    <meta name="author" content="价值前沿团队" />
+    <meta property="og:image:width" content="1200" />
+    <meta property="og:image:height" content="630" />
+    <meta property="og:image:alt" content="价值前沿 - 金融AI舆情分析系统" />
+
+    <!-- 性能优化: DNS 预连接 -->
+    <link rel="preconnect" href="https://valuefrontier.cn" />
+    <link rel="dns-prefetch" href="https://valuefrontier.cn" />
+
+    <!-- JSON-LD 结构化数据: 组织信息 -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@type": "Organization",
+      "name": "价值前沿",
+      "url": "https://valuefrontier.cn",
+      "logo": "https://valuefrontier.cn/logo.png",
+      "description": "基于金融大语言模型的智能舆情分析平台",
+      "foundingDate": "2023",
+      "contactPoint": {
+        "@type": "ContactPoint",
+        "contactType": "Customer Service",
+        "availableLanguage": ["zh-CN"]
+      },
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+        "https://valuefrontier.cn"
+      ]
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+    </script>
+
+    <!-- JSON-LD 结构化数据: 网站信息 + 搜索功能 -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@type": "WebSite",
+      "name": "价值前沿",
+      "url": "https://valuefrontier.cn",
+      "description": "金融AI舆情分析系统，实时监控股市行情",
+      "potentialAction": {
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+        "target": {
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+    </script>
+
+    <!-- JSON-LD 结构化数据: 软件应用产品信息 -->
+    <script type="application/ld+json">
+    {
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+      "@type": "SoftwareApplication",
+      "name": "价值前沿",
+      "applicationCategory": "FinanceApplication",
+      "operatingSystem": "Web",
+      "url": "https://valuefrontier.cn",
+      "description": "基于金融大语言模型，实时监控股市行情、a股、美股，提供企业舆情分析",
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+            "priceCurrency": "CNY",
+            "billingDuration": "P1M",
+            "referenceQuantity": {
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+              "value": "1",
+              "unitText": "月"
+            }
+          },
+          "availability": "https://schema.org/InStock",
+          "url": "https://valuefrontier.cn/home/pages/account/subscription"
+        },
+        {
+          "@type": "Offer",
+          "name": "旗舰版",
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+            "price": "998",
+            "priceCurrency": "CNY",
+            "billingDuration": "P1M",
+            "referenceQuantity": {
+              "@type": "QuantitativeValue",
+              "value": "1",
+              "unitText": "月"
+            }
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+          "availability": "https://schema.org/InStock",
+          "url": "https://valuefrontier.cn/home/pages/account/subscription"
+        }
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+        "ratingCount": "1250",
+        "bestRating": "5",
+        "worstRating": "1"
+      },
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+        "实时舆情监控",
+        "智能事件分析",
+        "多维度数据可视化",
+        "AI驱动的投资建议",
+        "行业板块分析"
+      ]
+    }
+    </script>
+
+    <!-- JSON-LD 结构化数据: 面包屑导航 -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@type": "BreadcrumbList",
+      "itemListElement": [
+        {
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+          "position": 1,
+          "name": "首页",
+          "item": "https://valuefrontier.cn/"
+        },
+        {
+          "@type": "ListItem",
+          "position": 2,
+          "name": "事件中心",
+          "item": "https://valuefrontier.cn/community"
+        },
+        {
+          "@type": "ListItem",
+          "position": 3,
+          "name": "概念分析",
+          "item": "https://valuefrontier.cn/concepts"
+        },
+        {
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+          "position": 4,
+          "name": "个股分析",
+          "item": "https://valuefrontier.cn/stocks"
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+
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
     <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.png" />
     <link
@@ -15,10 +186,19 @@
       href="%PUBLIC_URL%/apple-icon.png"
     />
     <link rel="shortcut icon" type="image/x-icon" href="./favicon.png" />
-    <title>价值前沿——LLM赋能的分析平台</title>
   </head>
   <body>
-    <noscript> You need to enable JavaScript to run this app. </noscript>
+    <noscript>
+      <div style="display: flex; align-items: center; justify-content: center; height: 100vh; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; text-align: center; padding: 20px;">
+        <div>
+          <h1 style="font-size: 2em; margin-bottom: 20px;">⚠️ 需要启用 JavaScript</h1>
+          <p style="font-size: 1.2em; line-height: 1.6; max-width: 600px; margin: 0 auto;">
+            价值前沿是一个现代化的 Web 应用，需要 JavaScript 才能正常运行。<br><br>
+            请在浏览器设置中启用 JavaScript，然后刷新页面。
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 </html>
