diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index 82362ab..f85f923 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -16,9 +16,9 @@
     - [复合数据类型](./chapter_3/chapter_3_8.md)
     - [泛型](./chapter_3/chapter_3_9.md)
     - [Trait](./chapter_3/chapter_3_10.md)
-        - [3.10.1 trait基础](./chapter_3/chapter_3_10_1.md)
-        - [3.10.2 trait对象](./chapter_3/chapter_3_10_2.md)
-        - [3.10.3 常见的trait](./chapter_3/chapter_3_10_3.md)
+        - [trait基础](./chapter_3/chapter_3_10_1.md)
+        - [trait对象](./chapter_3/chapter_3_10_2.md)
+        - [常见的trait](./chapter_3/chapter_3_10_3.md)
     - [生命周期](./chapter_3/chapter_3_11.md)
     - [错误处理](./chapter_3/chapter_3_12.md)
     - [闭包](./chapter_3/chapter_3_13.md)