diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Account.java b/src/main/java/org/ntlab/acanthus_server/entities/Account.java
index d2fae52..127c775 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Account.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Account.java
@@ -67,9 +67,8 @@
 
     //-----------------------------------------------------------------
     //コンストラクト
-    public Account() {
-        var numOfAccounts = 2;
-        for(int i = 0; i < numOfAccounts; i++) createDummyAccount(i);
+    public Account(Integer idMargin) {
+        createDummyAccount(idMargin);
     }
     //-----------------------------------------------------------------
 
@@ -172,20 +171,22 @@
     public boolean isMatchedPassword(String password) {
         return this.password.equals(password);
     }
+
     //-----------------------------------------------------------------
     // トークンのチェック
-    public boolean isCollectToken(String token){
+    public boolean isCollectToken(String token) {
         var timeoutThreshold = 3;
         var nowDateTime = LocalDateTime.now();
 
-        if(lastAccess==null) lastAccess = nowDateTime;
+        if (lastAccess == null) lastAccess = nowDateTime;
 
         // 時刻比較
         var duration = Duration.between(lastAccess, nowDateTime).toHours();
-        if(duration > timeoutThreshold) return false;
+        if (duration > timeoutThreshold) return false;
 
         return token.equals(this.token);
     }
+
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
     // ダミー
@@ -193,7 +194,7 @@
         this.isDummy = true;
         this.uid = 1 + idMargin;
         this.name = "dummy" + idMargin.toString();
-        this.email = "d"+ idMargin.toString() +"@dummy.com";
+        this.email = "d" + idMargin.toString() + "@dummy.com";
         this.password = "nittalab";
         this.token = "abc" + idMargin.toString();
         this.lastAccess = LocalDateTime.now();
diff --git a/src/main/java/org/ntlab/acanthus_server/models/Accounts.java b/src/main/java/org/ntlab/acanthus_server/models/Accounts.java
index 92a0020..7dfa63d 100644
--- a/src/main/java/org/ntlab/acanthus_server/models/Accounts.java
+++ b/src/main/java/org/ntlab/acanthus_server/models/Accounts.java
@@ -2,6 +2,7 @@
 
 import org.ntlab.acanthus_server.entities.Account;
 
+import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
@@ -20,7 +21,7 @@
     //-----------------------------------------------------------------
     // インスタンス生成禁止
     private Accounts() {
-        createDummyAccount(); //ダミー
+        createDummyAccounts(2);
     }
 
     //-----------------------------------------------------------------
@@ -40,6 +41,7 @@
 
     //-----------------------------------------------------------------
     // Uidからアカウントを返す
+
     /**
      * @param uid ユーザーID
      */
@@ -49,6 +51,7 @@
 
     //-----------------------------------------------------------------
     // e-mailからアカウントを返す
+
     /**
      * @param email メアド
      */
@@ -61,6 +64,7 @@
 
     //-----------------------------------------------------------------
     // 名前からアカウントのリストを返す
+
     /**
      * @param name ユーザー名
      */
@@ -75,28 +79,36 @@
     }
     //-----------------------------------------------------------------
     // アカウントを登録する.
+
     /**
-     * @param name ユーザー名
-     * @param email メアド
+     * @param name     ユーザー名
+     * @param email    メアド
      * @param password パスワード
      */
     public Account registerAccount(String name, String email, String password) {
         var uid = new Random().nextInt();
 
         // uidが被ったらuidの振り直し
-        while(getAccountByUid(uid) != null) uid = new Random().nextInt();
+        while (getAccountByUid(uid) != null) uid = new Random().nextInt();
 
-        var newAccount = new Account (uid, name, email, password);
+        var newAccount = new Account(uid, name, email, password);
         accountHashMap.put(uid, newAccount);
 
         return newAccount;
     }
+
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
     // ダミーアカウント生成
-    private void createDummyAccount(){
-        var dummyAccount = new Account();
+    private void createDummyAccount(Integer idMargin) {
+        var dummyAccount = new Account(idMargin);
         accountHashMap.put(dummyAccount.getUid(), dummyAccount);
     }
+
     //-----------------------------------------------------------------
+    // ダミーを指定数生成
+    private void createDummyAccounts(int numOfAccounts) {
+        for (int i = 0; i < numOfAccounts; i++) createDummyAccount(i); //ダミー
+    }
+
 }