diff --git a/homepage/public/robots.txt b/homepage/public/robots.txt
index 98698186..d6d3d861 100644
--- a/homepage/public/robots.txt
+++ b/homepage/public/robots.txt
@@ -5,3 +5,5 @@ Disallow: /admin
 # Allow all crawlers
 User-agent: *
 Allow: /
+
+Sitemap: https://openstartervillage.ocf.tw/sitemap.xml
diff --git a/homepage/public/sitemap.xml b/homepage/public/sitemap.xml
index 9c913b76..b21ccb6d 100644
--- a/homepage/public/sitemap.xml
+++ b/homepage/public/sitemap.xml
@@ -1,5 +1,4 @@
-<!-- public/sitemap.xml -->
-<xml version="1.0" encoding="UTF-8">
+<?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
     <loc>https://openstartervillage.ocf.tw/</loc>