diff --git a/README.md b/README.md
index a06117e..ce0da3b 100644
--- a/README.md
+++ b/README.md
@@ -37,4 +37,7 @@ IE6~10, Chrome, Firefox, Safari, Opera, Mobile Safari, Android, Windows Mobile,
 MIT License
 
 ## Contact
-twitter @davidshimjs
\ No newline at end of file
+twitter @davidshimjs
+
+[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/davidshimjs/qrcodejs/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
+