diff --git a/docs/并行与分布式系统/CS149.en.md b/docs/并行与分布式系统/CS149.en.md
index affa5a53..f602ed81 100644
--- a/docs/并行与分布式系统/CS149.en.md
+++ b/docs/并行与分布式系统/CS149.en.md
@@ -15,7 +15,7 @@ The goal of this course is to provide a deep understanding of the fundamental pr
 ## Resources
 
 - Course Website: [CMU15418](http://15418.courses.cs.cmu.edu/spring2016/), [CS149](https://gfxcourses.stanford.edu/cs149/fall21)
-- Recordings: <http://15418.courses.cs.cmu.edu/spring2016/lectures>
+- Recordings: [CMU15418](http://15418.courses.cs.cmu.edu/spring2016/lectures), [CS149](https://youtube.com/playlist?list=PLoROMvodv4rMp7MTFr4hQsDEcX7Bx6Odp&si=txtQiRDZ9ZZUzyRn)
 - Textbook: None
 - Assignments: <https://gfxcourses.stanford.edu/cs149/fall21>, 5 assignments.
 
diff --git a/docs/并行与分布式系统/CS149.md b/docs/并行与分布式系统/CS149.md
index fdbb0db6..c17049bf 100644
--- a/docs/并行与分布式系统/CS149.md
+++ b/docs/并行与分布式系统/CS149.md
@@ -15,7 +15,7 @@
 ## 课程资源
 
 - 课程网站：[CMU15418](http://15418.courses.cs.cmu.edu/spring2016/), [CS149](https://gfxcourses.stanford.edu/cs149/fall21)
-- 课程视频：<http://15418.courses.cs.cmu.edu/spring2016/lectures>
+- 课程视频：[CMU15418](http://15418.courses.cs.cmu.edu/spring2016/lectures), [CS149](https://youtube.com/playlist?list=PLoROMvodv4rMp7MTFr4hQsDEcX7Bx6Odp&si=txtQiRDZ9ZZUzyRn)
 - 课程教材：无
 - 课程作业：<https://gfxcourses.stanford.edu/cs149/fall21>，5 个编程作业