diff --git a/index.html b/index.html
index c610610..89fd800 100644
--- a/index.html
+++ b/index.html
@@ -5,6 +5,10 @@
     <link rel="icon" type="image/png" href="/assets/logo.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
     <meta name="description" content="杜康好客——你请客，我买单。酒祖杜康清香，买酒送等价好客权益。" />
+    <link rel="canonical" href="https://www.dukanghaoke.com/" />
+    <meta property="og:url" content="https://www.dukanghaoke.com/" />
+    <meta property="og:title" content="杜康好客 · 酒祖杜康" />
+    <meta property="og:description" content="杜康好客——你请客，我买单。酒祖杜康清香，买酒送等价好客权益。" />
     <title>杜康好客 · 酒祖杜康</title>
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
diff --git a/public.zip b/public.zip
deleted file mode 100644
index 2a97254..0000000
Binary files a/public.zip and /dev/null differ
diff --git a/src/components/Footer.tsx b/src/components/Footer.tsx
index 44a1015..679cf7d 100644
--- a/src/components/Footer.tsx
+++ b/src/components/Footer.tsx
@@ -15,7 +15,7 @@ export function Footer() {
         </div>
         <div className="footer-meta">
           <p>
-            {footer.copyright} · {footer.icp}
+            {footer.domain} · {footer.copyright} · {footer.icp}
           </p>
           <p>{footer.compliance}</p>
           <p>{footer.dataNote}</p>
diff --git a/src/content/site.ts b/src/content/site.ts
index b957f59..276f084 100644
--- a/src/content/site.ts
+++ b/src/content/site.ts
@@ -281,6 +281,7 @@ export const contact = {
 export const footer = {
   brandLine: '酒祖杜康 · 杜康好客',
   slogan: '你请客，我买单',
+  domain: 'www.dukanghaoke.com',
   copyright: '© 杜康好客 2026',
   icp: '晋ICP备2026004970号',
   compliance: