diff --git a/src/chapter_3/chapter_3_7.md b/src/chapter_3/chapter_3_7.md
index fac4e33..e2993c1 100644
--- a/src/chapter_3/chapter_3_7.md
+++ b/src/chapter_3/chapter_3_7.md
@@ -1,4 +1,4 @@
-## 3.7.所有权
+## 3.7 所有权
 
 - [所有权介绍](./chapter_3_7_1.md)
 - [引用与借用](./chapter_3_7_2.md)