diff --git a/SUMMARY.md b/SUMMARY.md
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--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -1,7 +1,7 @@
 # Summary
 
 * [前言](README.md)
-* [**第一个Python程序**](di-yi-ge-python-cheng-xu.md)
+* [第一个Python程序](di-yi-ge-python-cheng-xu.md)
    - [一、Python 简介](yi-3001-python-jian-jie.md)