diff --git a/collections/learn-to-code/index.md b/collections/learn-to-code/index.md
index 5adc63b4b703..1471ad832ea1 100644
--- a/collections/learn-to-code/index.md
+++ b/collections/learn-to-code/index.md
@@ -39,6 +39,7 @@ items:
  - aykutkardas/regexlearn.com
  - olexale/flutter_roadmap
  - TheOdinProject/curriculum
+ - 24kchengYe/human-skill-tree
 
 display_name: Learn to Code
 created_by: alysonla