Update index.md

GuangLun2000 · GuangLun2000 · commit 17618bd8f8a6 · 2025-10-29T15:03:26.000Z
diff --git a/index.md b/index.md
@@ -2,7 +2,7 @@
 layout: page
 ---
 
-# About Me
+## About Me
 
 <img src="https://caihanlin.com/caihanlin.jpg" class="floatpic">
 
