diff --git a/source/others/link/index.md b/source/others/link/index.md
index 213dc3e1..ec4d61e2 100644
--- a/source/others/link/index.md
+++ b/source/others/link/index.md
@@ -75,3 +75,7 @@
 ### Java
 
 1. [编码妙 ♂ 妙 ♂ 屋](https://www.skypyb.com/)
+
+### AI
+
+1. [Prompt Engineering Guide](https://www.promptingguide.ai/)