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 981bcb0..c3a6f88 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -8,10 +8,11 @@
 import java.util.List;
 
 public class Cosmos extends Application {
-    //token処理
     private String token=null;
     private Group curGroup=null;
+    private String uId=null;
 
+    //token処理
     public void setToken(String token){
         this.token = token;
     }
@@ -27,5 +28,11 @@
         return curGroup;
     }
 
-
+    //uId処理
+    public void setuId(String uId){
+        this.uId = uId;
+    }
+    public String getuId(){
+        return uId;
+    }
 }
diff --git a/app/src/main/java/com/example/cosmosclient/resources/UsersRest.java b/app/src/main/java/com/example/cosmosclient/resources/UsersRest.java
index d4ddb3e..5c4cfa7 100644
--- a/app/src/main/java/com/example/cosmosclient/resources/UsersRest.java
+++ b/app/src/main/java/com/example/cosmosclient/resources/UsersRest.java
@@ -18,4 +18,6 @@
     @FormUrlEncoded
     Call<SignupResponse> createUser(@Field("name") String name, @Field("pw") String pw, @Field("icon-image") String icon_image);
 
+
+
 }
diff --git a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
index 2cbe6b6..614edd1 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
@@ -71,7 +71,9 @@
                             //app/Cosmosに情報保存
                             Cosmos app = (Cosmos)getApplication();
                             app.setToken(result.token);
+                            app.setuId(result.uId);
 
+                            //画面遷移
                             Intent intent = new Intent(getApplication(), GroupListActivity.class);
                             startActivity(intent);
                             Toast.makeText(SigninActivity.this,
diff --git a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
index 5e1223a..cb93173 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
@@ -95,8 +95,10 @@
                         if (response.isSuccessful()) {
                             SignupResponse result = response.body();
 
+                            //app/Cosmosに情報保存
                             Cosmos app = (Cosmos) getApplication();
                             app.setToken(result.token);
+                            app.setuId(result.uId);
 
                             Intent intent = new Intent(getApplication(), GroupListActivity.class);