diff --git a/pages/Math3200/index.md b/pages/Math3200/index.md
index 1036f2b..819b30f 100644
--- a/pages/Math3200/index.md
+++ b/pages/Math3200/index.md
@@ -8,4 +8,4 @@ This course is designed to provide students with a comprehensive understanding o
 
 This site is generated using html files rendered by RMarkdown. Some search functionality may not work.
 
-Source code is available [here](https://github.com/zheyuan-wu/Math3200).
+Source code is available [here](https://nextcloud.trance-0.com/index.php/s/NZJ9ynCdmTqqeGo).