diff --git a/app/src/main/java/org/ntlab/irisclient/entities/GameJson.java b/app/src/main/java/org/ntlab/irisclient/entities/GameJson.java
index 1fa0d75..07483f3 100644
--- a/app/src/main/java/org/ntlab/irisclient/entities/GameJson.java
+++ b/app/src/main/java/org/ntlab/irisclient/entities/GameJson.java
@@ -14,6 +14,11 @@
     private List<Integer> map = new ArrayList<>();//cno順にdnoを管理（要するに絵の並び）
     private List<String> colorList = new ArrayList<>();//cno順にr,g,b,dを管理：カードごとの色
 
+    //----------------------------------
+    public GameJson(){
+    }
+    //----------------------------------
+
     //ゲッター
 
     public Map<Integer, Drawing> getDrawingList() {return drawingList;}