diff --git a/script.js b/script.js
index 557d4b1b201076265287efc83e617e81784df417..0b4e744ea948dca851b787391e58fae688a44f56 100644
--- a/script.js
+++ b/script.js
@@ -1,3 +1,6 @@
+/*
+blog.csdn.net/qq8864
+*/
 let Engine = Matter.Engine,
   World = Matter.World,
   Bodies = Matter.Bodies,