diff --git a/docs/chapter_heap/heap.md b/docs/chapter_heap/heap.md
index 92ba6d1e..8ab5b7ad 100644
--- a/docs/chapter_heap/heap.md
+++ b/docs/chapter_heap/heap.md
@@ -2,7 +2,7 @@
 comments: true
 ---
 
-# 8.1. # 1.1 堆
+# 8.1. 堆
 
 「堆 Heap」是一颗限定条件下的「完全二叉树」。根据成立条件，堆主要分为两种类型：