diff --git a/github.md b/github.md
index dea1fd2..d3ffb67 100644
--- a/github.md
+++ b/github.md
@@ -112,3 +112,5 @@ https://github.com/muxd93/ApkAutoBuild  一些tvbox空壳类app自动打包
 
 https://github.com/TapXWorld/ChinaTextbook  所有小初高、大学PDF教材。
 
+https://github.com/Stirling-Tools/Stirling-PDF  pdf
+