diff --git a/astro.config.mjs b/astro.config.mjs
index 392b766..be0a653 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -14,7 +14,8 @@ import { sidebars } from "./sidebar.config.mjs";
 export default defineConfig({
   compressHTML: true,
   prefetch: false,
-  site: "https://changjoo-park.github.io/learn-flutter/",
+  base: "learn-flutter",
+  site: "https://changjoo-park.github.io/",
   integrations: [
     sitemap(),
     astroExpressiveCode({