diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
index 6e5fc32..40556a2 100644
--- a/.idea/deploymentTargetDropDown.xml
+++ b/.idea/deploymentTargetDropDown.xml
@@ -7,11 +7,11 @@
         <deviceKey>
           <Key>
             <type value="VIRTUAL_DEVICE_PATH" />
-            <value value="C:\Users\student\.android\avd\Pixel_3_API_28.avd" />
+            <value value="C:\Users\student\.android\avd\Nexus_5X_API_29.avd" />
           </Key>
         </deviceKey>
       </Target>
     </targetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2023-07-11T05:35:24.239517100Z" />
+    <timeTargetWasSelectedWithDropDown value="2023-07-06T08:34:46.312130900Z" />
   </component>
 </project>
\ No newline at end of file
diff --git a/app/src/main/java/com/example/nemophila/SignUpActivity.java b/app/src/main/java/com/example/nemophila/SignUpActivity.java
index e1f276b..b867654 100644
--- a/app/src/main/java/com/example/nemophila/SignUpActivity.java
+++ b/app/src/main/java/com/example/nemophila/SignUpActivity.java
@@ -34,6 +34,14 @@
         //Nemophilaと連携
         nemophila = (Nemophila) this.getApplication();
 
+        //Nemophilaにtokenとuidがある場合サインアップ画面をスキップ
+        if ((nemophila.getUid() != null) && (nemophila.getToken() != null)){
+            Intent intent = new Intent(SignUpActivity.this,MainActivity.class);
+            startActivity(intent);
+            System.out.println("サインアップ処理をスキップ");
+            return;
+        }
+
         //通信の初期化
         this.retrofit = new Retrofit.Builder()
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/nemophila/")
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 b670f3a..aec3547 100644
--- a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
+++ b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
@@ -1,5 +1,6 @@
 package com.example.nemophila.viewmodels;
 
+import android.util.Log;
 import android.widget.TextView;
 
 import com.example.nemophila.R;
@@ -12,6 +13,7 @@
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
 
@@ -31,6 +33,7 @@
     private final MutableLiveData<String> pwLiveData;
     private final MutableLiveData<Collection<Post>> accountPostsLiveData;
     private final MutableLiveData<String> pwErrorLiveData;
+    private final MutableLiveData<Account> accountLiveData;
 
     // コンストラクタ
     public AccountViewModel() {
@@ -43,6 +46,7 @@
         this.pwLiveData = new MutableLiveData<>();
         this.accountPostsLiveData = new MutableLiveData<>();
         this.pwErrorLiveData = new MutableLiveData<>();
+        this.accountLiveData = new MutableLiveData<>();
     }
 
     // ライブデータの取得（ゲッター）
@@ -56,6 +60,9 @@
     public MutableLiveData<String> getPwErrorLiveData() {
         return pwErrorLiveData;
     }
+    public MutableLiveData<Account> getAccountLiveData() {
+        return accountLiveData;
+    }
 
     // 対象のアカウント情報の削除
     public void deleteAccount(String uid, String token) {
@@ -156,6 +163,47 @@
         accountPostsLiveData.setValue(posts);
     }
 
+    //idからアカウント情報を取得するメソッド
+    private void fetchAccount(String id) {
+        Call<AccountJson> call = accountsRest.getAccount(id);
+
+        call.enqueue(new Callback<AccountJson>() {
+            @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");
+                } else {
+                    System.out.println("response error");
+                }
+            }
+
+            @Override
+            public void onFailure(Call<AccountJson> call, Throwable t) {
+                System.out.println("network error" + t);
+            }
+        });
+    }
+
+    //同期的にidからアカウント情報を取得するメソッド
+    public Account sample(String id) {
+        try {
+            Response<AccountJson> response = accountsRest.getAccount(id).execute();
+
+            if (response.isSuccessful()) {
+                Account account = new Account(response.body());
+                return account;
+            } else {
+                Log.d("message", "error" + response.code());
+            }
+
+        } catch (IOException e) {
+            Log.i("message", "error" + e.getMessage());
+        }
+        return null;
+    }
+
     // 対象のアカウントがした投稿の削除
     public void deleteAccountPost(String sid, String uid, String pid, String token) {
         Call<Void> call = accountsRest.deletePost(sid, uid, pid, token);