diff --git a/app/components/AnalyticsGate.jsx b/app/components/AnalyticsGate.jsx
new file mode 100644
index 0000000..10be6cf
--- /dev/null
+++ b/app/components/AnalyticsGate.jsx
@@ -0,0 +1,29 @@
+'use client';
+import { useLayoutEffect, useState } from 'react';
+import Script from 'next/script';
+
+export default function AnalyticsGate({ GA_ID }) {
+  const [enabled, setEnabled] = useState(false);
+    useLayoutEffect(() => {
+    try {
+      const href = window.location.href || '';
+      setEnabled(href.includes('hzm0321'));
+    } catch {}
+  }, []);
+
+  if (!enabled) return null;
+
+  return (
+    <>
+      <Script src={`https://www.googletagmanager.com/gtag/js?id=${GA_ID}`} strategy="afterInteractive" />
+      <Script id="google-analytics" strategy="afterInteractive">
+        {`
+          window.dataLayer = window.dataLayer || [];
+          function gtag(){dataLayer.push(arguments);}
+          gtag('js', new Date());
+          gtag('config', '${GA_ID}');
+        `}
+      </Script>
+    </>
+  );
+}
diff --git a/app/layout.jsx b/app/layout.jsx
index 5118050..954bf9d 100644
--- a/app/layout.jsx
+++ b/app/layout.jsx
@@ -1,5 +1,6 @@
 import Script from 'next/script';
 import './globals.css';
+import AnalyticsGate from './components/AnalyticsGate';
 
 export const metadata = {
   title: '基估宝',
@@ -13,21 +14,9 @@ export default function RootLayout({ children }) {
     <html lang="zh-CN">
       <head>
         <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
-        {/* Google Analytics */}
-        <Script
-          src={`https://www.googletagmanager.com/gtag/js?id=${GA_ID}`}
-          strategy="afterInteractive"
-        />
-        <Script id="google-analytics" strategy="afterInteractive">
-          {`
-            window.dataLayer = window.dataLayer || [];
-            function gtag(){dataLayer.push(arguments);}
-            gtag('js', new Date());
-            gtag('config', '${GA_ID}');
-          `}
-        </Script>
       </head>
       <body>
+        <AnalyticsGate GA_ID={GA_ID} />
         {children}
       </body>
     </html>
