diff --git a/src/.vitepress/config.mts b/src/.vitepress/config.mts
index 6a17ad8..87db48d 100644
--- a/src/.vitepress/config.mts
+++ b/src/.vitepress/config.mts
@@ -103,5 +103,8 @@ export default defineConfig({
       message: 'Released under the MIT License.',
       copyright: 'Copyright © 2019-2024 Blocks Service Mesh'
     }
+  },
+  markdown: {
+    toc: { level: [1, 2] },
   }
 })