diff --git a/koki/koeki.js b/koki/koeki.js
index 405332b..d297555 100644
--- a/koki/koeki.js
+++ b/koki/koeki.js
@@ -10,7 +10,11 @@
 
     var nTrial = 10;
     var watchId = null;
-
+    var stamp =[0,1];
+    localStorage.setItem('stamp',JSON.stringify(stamp));
+    var stamp2 = localStorage.getItem("stamp");
+    stamp2 = JSON.parse(stamp2);
+    console.log(stamp2);
     //localstorageがあるか確認,なかったら作成
     if (localStorage.getItem('sengoku')==null){
     localStorage.setItem('sengoku', 0);