diff --git a/docs/.vuepress/config.ts b/docs/.vuepress/config.ts
index 6e7d1bc..bc1daeb 100644
--- a/docs/.vuepress/config.ts
+++ b/docs/.vuepress/config.ts
@@ -18,6 +18,8 @@ export default defineUserConfig({
   shouldPrefetch: false,
 
   theme: plumeTheme({
+    /* 站点域名，启动 SEO 优化 */
+    hostname: 'https://notes.simengweb.com',
     /* 博客文章页面链接前缀 */
     article: '/article/',