diff --git a/docs/public/robots.txt b/docs/public/robots.txt
index 36f13cc..c28b620 100644
--- a/docs/public/robots.txt
+++ b/docs/public/robots.txt
@@ -1,4 +1,5 @@
 User-agent: *
 Allow: /
 
-Sitemap: https://docs.mume.org/sitemap.xml
+Sitemap: https://docs.mume.org/sitemap_index.xml
+
diff --git a/docs/public/sitemap_index.xml b/docs/public/sitemap_index.xml
new file mode 100644
index 0000000..d5780f1
--- /dev/null
+++ b/docs/public/sitemap_index.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <sitemap>
+    <loc>https://docs.mume.org/sitemap.xml</loc>
+  </sitemap>
+  <sitemap>
+    <loc>https://docs.mume.org/wiki/sitemap.xml</loc>
+  </sitemap>
+</sitemapindex>