diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4f46913..b19b47f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -104,10 +104,10 @@
             android:exported="true"
             android:label="@string/title_activity_requesting"
             android:windowSoftInputMode="adjustPan">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
+<!--            <intent-filter>-->
+<!--                <action android:name="android.intent.action.MAIN" />-->
+<!--                <category android:name="android.intent.category.LAUNCHER" />-->
+<!--            </intent-filter>-->
         </activity>
         <activity
             android:name=".MyPageActivity"
diff --git a/app/src/main/java/com/example/nemophila/FriendActivity.java b/app/src/main/java/com/example/nemophila/FriendActivity.java
index 44698a9..6776b06 100644
--- a/app/src/main/java/com/example/nemophila/FriendActivity.java
+++ b/app/src/main/java/com/example/nemophila/FriendActivity.java
@@ -11,6 +11,8 @@
 import android.app.AlertDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -129,7 +131,7 @@
         @Override
         public FriendsViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int ViewType) {
             // layoutXMLからViewを生成
-            View inflate = LayoutInflater.from(parent.getContext()).inflate(R.layout.friend_list_item, parent,false);
+            View inflate = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_friends_activity, parent,false);
             // ViewHolderを生成
             FriendsViewHolder vh = new FriendsViewHolder(inflate);
 
diff --git a/app/src/main/java/com/example/nemophila/RequestingActivity.java b/app/src/main/java/com/example/nemophila/RequestingActivity.java
index e8a6639..12f8900 100644
--- a/app/src/main/java/com/example/nemophila/RequestingActivity.java
+++ b/app/src/main/java/com/example/nemophila/RequestingActivity.java
@@ -79,23 +79,31 @@
                     //ViewModelからアカウントが返ってくれば(データ変更があれば)実行
                     @Override
                     public void onChanged(Account user) {
-                        requestingName = (user.getName());
+                        if(user == null){
+                            new AlertDialog.Builder(RequestingActivity.this)
+                                    .setTitle("IDが間違っています")
+                                    .setPositiveButton("OK", null)
+                                    .create()
+                                    .show();
+                        }else {
+                            requestingName = (user.getName());
 
-                        //申請を送るダイアログ
-                        RequestingDialogFragment dialog = new RequestingDialogFragment(RequestingActivity.this);
-                        //名前を渡す
-                        Bundle args = new Bundle();
-                        args.putString("message", requestingName);
-                        dialog.setArguments(args);
+                            //申請を送るダイアログ
+                            RequestingDialogFragment dialog = new RequestingDialogFragment(RequestingActivity.this);
+                            //名前を渡す
+                            Bundle args = new Bundle();
+                            args.putString("message", requestingName);
+                            dialog.setArguments(args);
 
-                        //ダイアログの表示
-                        dialog.show(getSupportFragmentManager(), "Requesting_dialog");
-                        //OK押したら申請するメソッドにuid、requestingId、tokenを渡す
+                            //ダイアログの表示
+                            dialog.show(getSupportFragmentManager(), "Requesting_dialog");
+                            //OK押したら申請するメソッドにuid、requestingId、tokenを渡す
+                        }
                     }
-
-
                 });
             }
+
+
         });
 
 
diff --git a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
index 8cc8f52..3216931 100644
--- a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
+++ b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
@@ -171,10 +171,16 @@
             @Override
             public void onResponse(Call<AccountJson> call, Response<AccountJson> response) {
                 if (response.isSuccessful()) {
-                    Account ac = new Account(response.body());
-                    accountLiveData.setValue(ac);
-                    System.out.println("success");
+                    if(response.body() == null){
+                        accountLiveData.setValue(null);
+                        System.out.println("response error");
+                    }else {
+                        Account ac = new Account(response.body());
+                        accountLiveData.setValue(ac);
+                        System.out.println("success");
+                    }
                 } else {
+                    accountLiveData.setValue(null);
                     System.out.println("response error");
                 }
             }