diff --git a/notes/src/SUMMARY.md b/notes/src/SUMMARY.md
index a3b9355..a47f894 100644
--- a/notes/src/SUMMARY.md
+++ b/notes/src/SUMMARY.md
@@ -1,3 +1,5 @@
+# Summary
+
 # 数组
 
 - [二分查找](./bin_search.md)