diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bdefc6e..36e34ea 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -52,12 +52,12 @@
             android:name=".LoginActivity"
             android:exported="true"
             android:label="@string/title_activity_login">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
+<!--            <intent-filter>-->
+<!--                <action android:name="android.intent.action.MAIN" />-->
 
 
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
+<!--                <category android:name="android.intent.category.LAUNCHER" />-->
+<!--            </intent-filter>-->
         </activity>
         <activity
             android:name=".RequestedActivity"
@@ -72,11 +72,11 @@
             android:name=".MyPageActivity"
             android:exported="true"
             android:label="@string/title_activity_my_page">
-<!--            <intent-filter>-->
-<!--                <action android:name="android.intent.action.MAIN" />-->
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
 
-<!--                <category android:name="android.intent.category.LAUNCHER" />-->
-<!--            </intent-filter>-->
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
         </activity>
 
         <meta-data
@@ -114,11 +114,11 @@
             android:name=".ShopActivity"
             android:exported="true"
             android:label="@string/title_activity_shop">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
+<!--            <intent-filter>-->
+<!--                <action android:name="android.intent.action.MAIN" />-->
 
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
+<!--                <category android:name="android.intent.category.LAUNCHER" />-->
+<!--            </intent-filter>-->
         </activity>
     </application>
 
diff --git a/app/src/main/java/com/example/nemophila/MyPageActivity.java b/app/src/main/java/com/example/nemophila/MyPageActivity.java
index 153245d..973cb52 100644
--- a/app/src/main/java/com/example/nemophila/MyPageActivity.java
+++ b/app/src/main/java/com/example/nemophila/MyPageActivity.java
@@ -16,14 +16,20 @@
 import com.example.nemophila.R;
 import com.example.nemophila.RequestedActivity;
 import com.example.nemophila.entities.Account;
+import com.example.nemophila.entities.Post;
 import com.example.nemophila.viewmodels.AccountViewModel;
 
+import java.util.List;
+
 public class MyPageActivity extends AppCompatActivity {
 //MyPageActivity画面の作成
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_mypage);
+
+        Nemophila nemophila = (Nemophila) getApplication();
+
 //ボタンを押した場合の画面遷移
         Button friendButton = (Button) findViewById(R.id.friend);
         friendButton.setOnClickListener(new View.OnClickListener() {
@@ -58,12 +64,20 @@
         });
 //AccountViewModelとの通信とテキストの表示
         AccountViewModel accountViewModel = new ViewModelProvider(this).get(AccountViewModel.class);
-        Nemophila nemophila = (Nemophila) getApplication();
+        accountViewModel.getAccountLiveData().observe(this, new Observer <Account>() {
+            @Override
+            public void onChanged(Account account) {
+                String name = account.getName();
+                TextView myName = (TextView) findViewById(R.id.name);
+                myName.setText(name);
+                nemophila.setName(name);
+            }
+
+        });
         String uid = nemophila.getUid();
-        Account account = accountViewModel.getAccount(uid);
-        String name = account.getName();
-        TextView myname = (TextView) findViewById(R.id.name);
-        myname.setText(name);
+        String name = nemophila.getName();
+        TextView myName = (TextView) findViewById(R.id.name);
+        myName.setText(name);
         TextView id = (TextView) findViewById(R.id.id);
         id.setText(uid);
 
diff --git a/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java b/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
index 69078c3..4a75d76 100644
--- a/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
+++ b/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
@@ -1,6 +1,7 @@
 package com.example.nemophila;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
 
 import android.content.Intent;
@@ -10,6 +11,7 @@
 import android.widget.EditText;
 import android.widget.TextView;
 
+import com.example.nemophila.entities.Account;
 import com.example.nemophila.viewmodels.AccountViewModel;
 
 public class MyPageEditorActivity extends AppCompatActivity {
@@ -22,8 +24,8 @@
         AccountViewModel accountViewModel = new ViewModelProvider(this).get(AccountViewModel.class);
         Nemophila nemophila = (Nemophila) getApplication();
         String name = nemophila.getName();
-        EditText myname = (EditText) findViewById(R.id.editName);
-        myname.setText(name);
+        EditText myName = (EditText) findViewById(R.id.editName);
+        myName.setText(name);
 //MyPageに戻るボタン
         Button backButton = (Button) findViewById(R.id.backMyPage);
         backButton.setOnClickListener(new View.OnClickListener() {
@@ -33,6 +35,20 @@
 
             }
         });
+
+        accountViewModel.getAccountLiveData().observe(this, new Observer<Account>() {
+            @Override
+            public void onChanged(Account account) {
+                String name = account.getName();
+                TextView myName = (TextView) findViewById(R.id.name);
+                myName.setText(name);
+                nemophila.setName(name);
+                Intent intent = new Intent(MyPageEditorActivity.this, MyPageActivity.class);
+                startActivity(intent);
+            }
+
+        });
+
 //変更確定ボタンを押した場合の動き
         Button changeNameButton = (Button) findViewById(R.id.changeConfirm);
         changeNameButton.setOnClickListener(new View.OnClickListener() {
@@ -45,7 +61,6 @@
                 EditText editNewPw = (EditText) findViewById(R.id.editNewPw);
                 String newPw = editNewPw.getText().toString();
 //Nemophilaから(id)(token)をgetしてaccountViewModelに送る
-                Nemophila nemophila = (Nemophila) getApplication();
                 String uid = nemophila.getUid();
                 String token  = nemophila.getToken();
                 if(newName!=null) {
@@ -54,16 +69,12 @@
                 if(oldPw!=null && newPw!=null) {
                     accountViewModel.changePw(uid, oldPw, newPw, token);
                 }
-//変更確定ボタンを押した場合もMyPageに戻る
-                Intent intent = new Intent(MyPageEditorActivity.this, MyPageActivity.class);
-                startActivity(intent);
             }
         });
 //        削除ボタンを押したときの処理
         Button deleteAccountButton = (Button) findViewById(R.id.deleteAccount);
         deleteAccountButton.setOnClickListener(new View.OnClickListener() {
             public void onClick(View v) {
-                Nemophila nemophila = (Nemophila) getApplication();
                 String uid = nemophila.getUid();
                 String token = nemophila.getToken();
                 Intent intent = new Intent(MyPageEditorActivity.this, LoginActivity.class);