diff --git a/src/app/play/Celebrate.ts b/src/app/play/Celebrate.ts
index f8dba3f5ad1114c1283a7bfff149596a4da434cf..3c7ae318c8662b14b80803adaea32f773f70e0d1 100644
--- a/src/app/play/Celebrate.ts
+++ b/src/app/play/Celebrate.ts
@@ -21,7 +21,7 @@ export class Celebrate{
 
         const bg = new ShapeRect();
         this.bg = bg;
-        bg.alpha = 1;
+        bg.alpha = 0;
 
         this.initPic();
     }