diff --git a/app/src/main/java/com/example/cosmosclient/entities/JoinGroupResponse.java b/app/src/main/java/com/example/cosmosclient/entities/JoinGroupResponse.java
index b98a746..3b1b5c9 100644
--- a/app/src/main/java/com/example/cosmosclient/entities/JoinGroupResponse.java
+++ b/app/src/main/java/com/example/cosmosclient/entities/JoinGroupResponse.java
@@ -1,11 +1,16 @@
 package com.example.cosmosclient.entities;
 
+import java.lang.reflect.Member;
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
-
+import java.util.Map;
 public class JoinGroupResponse {
-    public String gId;
-    public String uId;
-    public String token;
-    public String uri;
 
-}
+    public List<User> members=new ArrayList<>();;
+
+    public List<User> getListMembers() {
+        return members;
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/cosmosclient/resources/JoinGroupRest.java b/app/src/main/java/com/example/cosmosclient/resources/JoinGroupRest.java
index 8472bfb..54d994b 100644
--- a/app/src/main/java/com/example/cosmosclient/resources/JoinGroupRest.java
+++ b/app/src/main/java/com/example/cosmosclient/resources/JoinGroupRest.java
@@ -13,6 +13,6 @@
 public interface JoinGroupRest {
         @POST("groups/{gId}/members")
         @FormUrlEncoded
-        Call<JoinGroupResponse> JoinGroup(@Path("gId") String gId, @Field("uId ") String uId , @Field("token ") String token);
+        Call<JoinGroupResponse> JoinGroup(@Path("gId") String gId, @Field("uId") String uId , @Field("token") String token);
 
 }
diff --git a/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java b/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java
index df0f054..e231ab6 100644
--- a/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java
@@ -1,8 +1,8 @@
 package com.example.cosmosclient.views;
 
-import android.content.Intent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
@@ -11,10 +11,13 @@
 
 import com.example.cosmosclient.R;
 import com.example.cosmosclient.app.Cosmos;
-import com.example.cosmosclient.entities.Group;
 import com.example.cosmosclient.entities.JoinGroupResponse;
+import com.example.cosmosclient.entities.User;
 import com.example.cosmosclient.resources.JoinGroupRest;
 
+import java.lang.reflect.Member;
+import java.util.List;
+
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
@@ -49,16 +52,16 @@
 
                 //* 必要値取得 *//
                 //現在のグループ情報を格納しているものからuid,tokenを取得
-//                Cosmos app = (Cosmos) getApplication();
+                Cosmos app = (Cosmos) getApplication();
                 //元となるgId,uid,tokenを取得完了
 //                String gId = GroupID;
-//                String uId=app.getuId();
-//                String token=app.getToken();
+                String uId=app.getuId();
+                String token=app.getToken();
 
                 //テスト値
-                String gId="qwer";
-                String uId="asdf";
-                String token="sggh";
+                String gId="df6cddf2-7aff-4601-9ba7-d32bdc5d7e75";
+//                String uId="asdf";
+//                String token="sggh";
                 //API呼び出しのための値入力
                 Call<JoinGroupResponse> call = joinGroupService.JoinGroup(gId, uId, token);
 
@@ -68,6 +71,11 @@
                     @Override
                     public void onResponse(Call<JoinGroupResponse> call, Response<JoinGroupResponse> response) {
                         if (response.isSuccessful()) {
+                            List<User>listMembers= response.body().getListMembers();
+                            int s = listMembers.size();
+//                            for(int i = 0; i < s; i++){
+//                            Log.d("debug3", String.valueOf(listMembers.get(i)));
+//                            }
 //                            JoinGroupResponse result = response.body();
                             test.setText("成功");
                             Cosmos app = (Cosmos) getApplication();
diff --git a/app/src/main/java/com/example/cosmosclient/views/QRcodeReadingActivity.java b/app/src/main/java/com/example/cosmosclient/views/QRcodeReadingActivity.java
index c49cee9..ab61b35 100644
--- a/app/src/main/java/com/example/cosmosclient/views/QRcodeReadingActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/QRcodeReadingActivity.java
@@ -12,11 +12,15 @@
 import com.example.cosmosclient.R;
 import com.example.cosmosclient.app.Cosmos;
 import com.example.cosmosclient.entities.JoinGroupResponse;
+import com.example.cosmosclient.entities.User;
 import com.example.cosmosclient.resources.JoinGroupRest;
 import com.google.zxing.integration.android.IntentIntegrator;
 import com.google.zxing.integration.android.IntentResult;
 import com.journeyapps.barcodescanner.CaptureActivity;
 
+import java.lang.reflect.Member;
+import java.util.List;
+
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
@@ -67,15 +71,15 @@
 
         //* 必要値取得 *//
         //現在のグループ情報を格納しているものからuid,tokenを取得
-//                Cosmos app = (Cosmos) getApplication();
+                Cosmos app = (Cosmos) getApplication();
         //元となるgId,uid,tokenを取得完了
 //                String gId = (String)result.getContents();
-//                String uId=app.getuId();
-//                String token=app.getToken();
+                String uId=app.getuId();
+                String token=app.getToken();
 
-        String gId="dnjewvhoirae";
-        String uId="dnjewvhfgoirae";
-        String token="dnjewvhoidgfrae";
+        String gId="df6cddf2-7aff-4601-9ba7-d32bdc5d7e75";
+//        String uId="dnjewvhfgoirae";
+//        String token="dnjewvhoidgfrae";
         //API呼び出しのための値入力
         Call<JoinGroupResponse> call = joinGroupService.JoinGroup(gId, uId, token);
 
@@ -86,8 +90,11 @@
             @Override
             public void onResponse(Call<JoinGroupResponse> call, Response<JoinGroupResponse> response) {
                 if (response.isSuccessful()) {
-                    JoinGroupResponse result = response.body();
-
+                    List<User> listMembers= response.body().getListMembers();
+                    int s = listMembers.size();
+//                    for(int i = 0; i < s; i++){
+//                        Log.d("debug3", String.valueOf(listMembers.get(i)));
+//                    }
                     Cosmos app = (Cosmos) getApplication();
                     //test
 //                            System.out.println(result.uId);