diff --git a/docs/人工智能/CYJ.md b/docs/机器学习系统/AICS.md
similarity index 100%
rename from docs/人工智能/CYJ.md
rename to docs/机器学习系统/AICS.md
diff --git a/mkdocs.yml b/mkdocs.yml
index 32f780be..34694dcf 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -211,14 +211,14 @@ nav:
   - 人工智能:
       - "Harvard CS50's Introduction to AI with Python": "人工智能/CS50.md"
       - "UCB CS188: Introduction to Artificial Intelligence": "人工智能/CS188.md"
-      - "智能计算系统": "人工智能/CYJ.md"
   - 机器学习:
       - "Coursera: Machine Learning": "机器学习/ML.md"
       - "Stanford CS229: Machine Learning": "机器学习/CS229.md"
       - "UCB CS189: Introduction to Machine Learning": "机器学习/CS189.md"
   - 机器学习系统:
-      - "Machine Learning Compilation": "机器学习系统/MLC.md"
+      - "智能计算系统": "机器学习系统/AICS.md"
       - "CMU 10-414/714: Deep Learning Systems": "机器学习系统/CMU10-414.md"
+      - "Machine Learning Compilation": "机器学习系统/MLC.md"
   - 深度学习:
       - "Coursera: Deep Learning": "深度学习/CS230.md"
       - "国立台湾大学：李宏毅机器学习": "深度学习/LHY.md"