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 bc762f0..69664be 100644
--- a/src/main/java/org/ntlab/acanthus_server/models/Accounts.java
+++ b/src/main/java/org/ntlab/acanthus_server/models/Accounts.java
@@ -10,6 +10,11 @@
 */
 public class Accounts {
     private static Accounts _theInstance = null;
+
+    /**
+     * @param Integer ユーザーID
+     * @param Account 対応するユーザー
+     */
     private HashMap<Integer, Account> _accountHashMap = new HashMap<>();
 
     //-----------------------------------------------------------------
@@ -23,8 +28,21 @@
         if(_theInstance == null) _theInstance = new Accounts();
         return _theInstance;
     }
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // Uidからアカウントを返す
+    //-----------------------------------------------------------------
+    public Account getAccountByUid(int uid){ return _accountHashMap.get(uid); }
 
     //-----------------------------------------------------------------
-
+    // e-Mailからアカウントを返す
+    //-----------------------------------------------------------------
+    public  Account getAccountByEMail(String email){
+        for(var account : _accountHashMap.values()){
+          //  if(email == account.getEmail()) return account;
+        }
+        return null;
+    }
+    //-----------------------------------------------------------------
 
 }