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..632820b 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -6,9 +6,8 @@
 
 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;
 
     //token処理
     public void setToken(String token){
@@ -19,10 +18,10 @@
     }
 
     //Group処理
-    public void setCurrentGroup(String g){
+    public void setCurrentGroup(Group g){
         curGroup = g;
     }
-    public String getCurentGroup(){
+    public Group getCurentGroup(){
         return curGroup;
     }
 
@@ -33,12 +32,4 @@
     public String getuId(){
         return uId;
     }
-
-    //gId処理
-    public void setgId(String gId){
-        this.gId = gId;
-    }
-    public String getgId(){
-        return gId;
-    }
 }
diff --git a/app/src/main/java/com/example/cosmosclient/views/CreateGroupActivity.java b/app/src/main/java/com/example/cosmosclient/views/CreateGroupActivity.java
index c0cd0b6..5580a7e 100644
--- a/app/src/main/java/com/example/cosmosclient/views/CreateGroupActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/CreateGroupActivity.java
@@ -14,6 +14,7 @@
 import com.example.cosmosclient.R;
 import com.example.cosmosclient.app.Cosmos;
 import com.example.cosmosclient.entities.CreateGroupResponse;
+import com.example.cosmosclient.entities.Group;
 import com.example.cosmosclient.resources.GroupsRest;
 
 import retrofit2.Call;
@@ -75,9 +76,11 @@
                         if (response.isSuccessful()) {
                             //成功時
                             CreateGroupResponse result = response.body();
+                            Group g = new Group(result.gId,result.uri,groupNameText.getText().toString(),uId);
+
                             //app/CosmosにgIdを保存
                             Cosmos app = (Cosmos)getApplication();
-                            app.setgId(result.gId);
+                            app.setCurrentGroup(g);
 
                             Intent intent = new Intent(getApplication(), RequestListActivity.class);
                             startActivity(intent);