diff --git a/SUMMARY.md b/SUMMARY.md
index cfc2ea2..0fae85b 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -2,6 +2,6 @@
 
 * [前言](README.md)
 * [第一个Python程序](di-yi-ge-python-cheng-xu.md)
-  * [一、Python 简介](yi-3001-python-jian-jie.md)
+   - [一、Python 简介](yi-3001-python-jian-jie.md)