diff --git a/docs/projects.md b/docs/projects.md
index f2f4275..973fd7b 100644
--- a/docs/projects.md
+++ b/docs/projects.md
@@ -5,6 +5,15 @@ hide:
 
 # 📝 Ongoing Research Projects - 2023
 
+## Introduction
+
+<div style="position: relative; width: 100%; 
+    padding-top: calc(100% * 720 / 1280); 
+    border: 2px black solid;">
+  <iframe src="//player.bilibili.com/player.html?aid=364614495&bvid=BV1S94y187ev&cid=1296306181&p=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true" style="position: absolute; width: 100%; height: 100%; top: 0;">
+  </iframe>
+</div>
+
 ## Curation - Building Your Own Knowledge Graph
 
 ### 🧑‍🔬 Curation of BioMedical Knowledges for Chemotherapy-induced Thrombocytopenia (CIT)
diff --git a/mkdocs.yml b/mkdocs.yml
index d43fb5a..55ad4c1 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -72,7 +72,4 @@ nav:
   - Publications: publications.md
   - 'Team Members': team_members.md
   - 'Contact Us': contact.md
-  - 'FAQs': faqs.md
-  - 'Tutorials':
-    - 'Prophet Studio':
-      - 'T001-文献标注': './tutorials/prophet-studio/T001-文献标注.md'
+