diff --git a/docs/.vitepress/config.js b/docs/.vitepress/config.js
index 9163315..bdc424e 100644
--- a/docs/.vitepress/config.js
+++ b/docs/.vitepress/config.js
@@ -10,7 +10,7 @@ export default defineConfig({
   base: normalizedBase,
   outDir: '../dist',
   sitemap: {
-    hostname: process.env.VITE_HOSTNAME || 'https://docs.mume.org'
+    hostname: 'https://docs.mume.org'
   },
   head: [
     ['link', { rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' }]