diff --git a/mkdocs.yml b/mkdocs.yml
index b9d2d0bf..5f3cf79a 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -152,6 +152,7 @@ nav:
   - Web开发:
       - "MIT web development course": "Web开发/mitweb.md"
       - "Stanford CS142: Web Applications": "Web开发/CS142.md"
+      - "University of Helsinki: Full Stack open 2022": "Web开发/fullstackopen.md"
   - 数据科学:
       - "UCB Data100: Principles and Techniques of Data Science": "数据科学/Data100.md"
   - 人工智能: