diff --git a/README.md b/README.md
index baca12d..197c1ab 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,8 @@ Welcome to Open-Source OS Training Comp 2022（2022年开源操作系统训练
 - [rCore Tutorial v3 Guide](https://rcore-os.github.io/rCore-Tutorial-Book-v3/) (2022春季OS课程讲义)
 - [OS Course Slides in 2022 spring](https://learningos.github.io/os-lectures/)(2022春季OS课程Slides)
 - [OS Course Videos in 2022 spring](./relatedinfo.md)(2022春季OS课程Videos)
-
+- [OS API Docs in 2022 spring](./relatedinfo.md)(2022春季OS课程实验中 ``cargo doc`` 生成的各章参考OS的API文档)
+ 
 First, you can read [Guide](https://learningos.github.io/rust-based-os-comp2022/) to:
 - (Important) `git clone` this repo.
 - (Important) setup development environment.
diff --git a/scheduling.md b/scheduling.md
index f0263f1..972bfff 100644
--- a/scheduling.md
+++ b/scheduling.md
@@ -87,7 +87,8 @@
 - [rCore Tutorial v3的详细实验指导内容](https://rcore-os.github.io/rCore-Tutorial-Book-v3/)
 - [rCore Tutorial v3的实验代码](https://github.com/rcore-os/rCore-Tutorial-v3)
 - [2022年春季OS课程讲解和OS实验讲解](./relatedinfo.md)
-  
+- [2022年春季OS课程实验中 ``cargo doc`` 生成的各章参考OS的API文档](./relatedinfo.md)
+
 ##### 具备步骤
 
 根据[rust-based-os-comp2022](https://github.com/LearningOS/rust-based-os-comp2022)中的各个实验的具体实验要求在自己的仓库中完成5个实验，并通过基于GitHub Classroom的CI测试。