diff --git a/courses/EE205.md b/courses/EE205.md
index b1af9e4..b7feeff 100644
--- a/courses/EE205.md
+++ b/courses/EE205.md
@@ -11,10 +11,14 @@ One of the most important courses in EE.
 Watch "MIT RES.6.007 Signals and Systems, 1987" at [Youtube](https://www.youtube.com/watch?v=KJnAy6hzetw&list=PL41692B571DD0AF9B) or [Bilibili](https://www.bilibili.com/video/BV1CZ4y1j7hs).
 
 ## Lab & Projects
-> 2022 Fall
+> 2022 Spring
 
 - [Gralerfics/SUSTech-EE205-Signals-and-Systems-Lab](https://github.com/Gralerfics/SUSTech-EE205-Signals-and-Systems-Lab)
 
+> 2022 Fall
+- [LiferLifer/EE205-Signals-and-Systems-Lab](https://github.com/LiferLifer/EE205-Signals-and-Systems-Lab)
+- [LiferLifer/EE205-Signals-and-Systems-Project](https://github.com/LiferLifer/EE205-Signals-and-Systems-Project)
+
 
 ## Books
-- Signals & Systems (Second Edition) by Alan V. Oppenheim, Alan S. Willsky, S. Hamid Nawab
\ No newline at end of file
+- Signals & Systems (Second Edition) by Alan V. Oppenheim, Alan S. Willsky, S. Hamid Nawab
diff --git a/courses/EE317.md b/courses/EE317.md
index 969e1f8..3ef1bdd 100644
--- a/courses/EE317.md
+++ b/courses/EE317.md
@@ -40,3 +40,7 @@ For example:
 STM32 standard peripheral library is used in this course.
 
 This part has several assignments but no final project.
+
+> 2022 Fall
+
+- [LiferLifer/EE317-Homework](https://github.com/LiferLifer/EE317-Homework)