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 632820b..367fb6e 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -6,8 +6,9 @@
 
 public class Cosmos extends Application {
     private String token=null;
-    private Group curGroup=null;
+    private String curGroup=null;
     private String uId=null;
+    private String gId=null;
 
     //token処理
     public void setToken(String token){
@@ -18,10 +19,10 @@
     }
 
     //Group処理
-    public void setCurrentGroup(Group g){
+    public void setCurrentGroup(String g){
         curGroup = g;
     }
-    public Group getCurentGroup(){
+    public String getCurentGroup(){
         return curGroup;
     }
 
@@ -32,4 +33,12 @@
     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 b061bc7..f31b7e0 100644
--- a/app/src/main/java/com/example/cosmosclient/views/CreateGroupActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/CreateGroupActivity.java
@@ -80,8 +80,9 @@
                         if (response.isSuccessful()) {
                             //成功時
                             CreateGroupResponse result = response.body();
-//                            Cosmos app = (Cosmos)getApplication();
-//                            app.setCurrentGroup();
+                            //app/CosmosにgIdを保存
+                            Cosmos app = (Cosmos)getApplication();
+                            app.setgId(result.gId);
 
                             Intent intent = new Intent(getApplication(), RequestListActivity.class);