diff --git a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
index 367fb6e..34c8d8d 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -6,7 +6,7 @@
 
 public class Cosmos extends Application {
     private String token=null;
-    private String curGroup=null;
+    private Group curGroup=null;
     private String uId=null;
     private String gId=null;
 
@@ -19,10 +19,10 @@
     }
 
     //Group処理
-    public void setCurrentGroup(String g){
+    public void setCurrentGroup(Group g){
         curGroup = g;
     }
-    public String getCurentGroup(){
+    public Group getCurentGroup(){
         return curGroup;
     }