diff --git a/.vitepress/config.mts b/.vitepress/config.mts
index d635f3c..e2e941e 100644
--- a/.vitepress/config.mts
+++ b/.vitepress/config.mts
@@ -10,6 +10,14 @@ import { withMermaid } from "vitepress-plugin-mermaid";
 export default withMermaid({
   title: "NerChat!——开源IM",
   description: "NerChat! 是一个部署在国内的即时聊天Matrix服务器。",
+  head: [
+    ['meta', { property: 'og:title', content: 'NerChat!——开源IM' }],
+    ['meta', { property: 'og:description', content: 'NerChat! 是一个部署在国内的即时聊天Matrix服务器。' }],
+    ['meta', { property: 'og:image', content: 'http://www.neboer.site/nerchat/nerchat_logo.svg' }],
+    ['meta', { property: 'og:url', content: 'https://www.neboer.site/nerchat/' }],
+    ['meta', { property: 'og:type', content: 'website' }],
+    // more Open Graph tag...
+  ],
   lang: 'zh-CN',
   markdown: {
     config(md) {