diff --git a/docs/编程入门/Duke-Coursera-Intro-C.md b/docs/编程入门/Duke-Coursera-Intro-C.md
index 56771a75..122429f9 100644
--- a/docs/编程入门/Duke-Coursera-Intro-C.md
+++ b/docs/编程入门/Duke-Coursera-Intro-C.md
@@ -10,7 +10,7 @@
 
 ## 课程资源
 
-- 课程网站：[https://www.coursera.org/specializations/c-programming](https://www.coursera.org/specializations/c-programming)
+- 课程网站：<https://www.coursera.org/specializations/c-programming>
 - 课程视频：同上
 - 课程教材：同上
 - 课程作业：同上