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 f8536ba..58f16db 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Account.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Account.java
@@ -26,11 +26,12 @@
     private String email;
     private String token;
     private String password;
-  //コンストラクト
+
+    //コンストラクト
     public Account(String name, String email, String password) {
-        this.name=name;
-        this.email=email;
-        this.password=password;
+        this.name = name;
+        this.email = email;
+        this.password = password;
     }
 
     //uidを返す
@@ -38,38 +39,41 @@
     public int getUid() {
         return uid;
     }
-    public void setUid(){
-        this.uid=uid;
+
+    public void setUid(int uid) {
+        this.uid = uid;
     }
-    
-    
+
+
     //tokenを返す
     //GetとSetを実装
     public String getToken() {
         return token;
     }
-    public void setToken(String token){
-        this.token=token;
+
+    public void setToken(String token) {
+        this.token = token;
     }
+
     //passwordをtoken認証後返す
     public String getPassword(String token) {
         //IFでトークン認証をしたのちに返す
         return password;
     }
+
     //emailを返す
     public String getEmail() {
         return email;
     }
-    public void setEmail(String email){
-        this.email=email;
+
+    public void setEmail(String email) {
+        this.email = email;
     }
 
     //Auth関数でpassword認証
-    public boolean accountAuth(String password){
-        return this.password == password;
+    public boolean isMatchedPassword(String password) {
+        return this.password.equals(password);
     }
 
 
-
-
 }
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 69664be..db55090 100644
--- a/src/main/java/org/ntlab/acanthus_server/models/Accounts.java
+++ b/src/main/java/org/ntlab/acanthus_server/models/Accounts.java
@@ -5,9 +5,9 @@
 import java.util.HashMap;
 
 /*
-* アカウント管理シングルトン
-*
-*/
+ * アカウント管理シングルトン
+ *
+ */
 public class Accounts {
     private static Accounts _theInstance = null;
 
@@ -19,27 +19,31 @@
 
     //-----------------------------------------------------------------
     // インスタンス生成禁止
-    private Accounts(){}
+    private Accounts() {
+    }
 
     //-----------------------------------------------------------------
     // シングルトン取得
     //-----------------------------------------------------------------
-    public static Accounts getInstance(){
-        if(_theInstance == null) _theInstance = new Accounts();
+    public static Accounts getInstance() {
+        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); }
+    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;
+    public Account getAccountByEMail(String email) {
+        for (var account : _accountHashMap.values()) {
+            if (account.getEmail().equals(email)) return account;
         }
         return null;
     }
diff --git a/src/main/java/org/ntlab/acanthus_server/resources/accounts/LoginRest.java b/src/main/java/org/ntlab/acanthus_server/resources/accounts/LoginRest.java
index 21ea92a..2885aba 100644
--- a/src/main/java/org/ntlab/acanthus_server/resources/accounts/LoginRest.java
+++ b/src/main/java/org/ntlab/acanthus_server/resources/accounts/LoginRest.java
@@ -17,10 +17,8 @@
 
     /**
      * ログイン時のトークン認証
-     * アカウントが存在して, かつトークンを持っているかを確認する.
+     * アカウントが存在して, かつトークンを持っているかを確認する
      *
-     * @param uid   ユーザーID
-     * @param token トークン
      */
     @GET
     @Produces(MediaType.APPLICATION_JSON)
@@ -29,16 +27,12 @@
         var searchAccount = accounts.getAccountByUid(uid);
 
         if (searchAccount == null) throw new WebApplicationException(404);
-        if (token != searchAccount.getToken()) throw new WebApplicationException(400);
+        if (!searchAccount.getToken().equals(token)) throw new WebApplicationException(400);
 
         return true;
     }
 
-    // ToDo: トークン発行をJsonで返すのか, クラスで返却するのか決める.
-    // ToDo: クラスなら void でいい → setterを Account に用意
-
     //-----------------------------------------------------------
-
     /**
      * ログイン時のトークン発行
      *
@@ -47,17 +41,14 @@
      */
     @PUT
     @Produces(MediaType.APPLICATION_JSON)
-    public String getSignLoginToken(@FormParam("e-mail") String email, @FormParam("password") String password) {
+    public String getLoginToken(@FormParam("e-mail") String email, @FormParam("password") String password) {
 
         var searchAccount = accounts.getAccountByEMail(email);
 
         if (searchAccount == null) throw new WebApplicationException(404);
-//        if(searchAccount.authPassword(password)) throw new WebApplicationException(401);
+        if (searchAccount.isMatchedPassword(password)) throw new WebApplicationException(401);
 
-        var newToken = UUID.randomUUID().toString();
-        
-
-        return newToken;
+        return UUID.randomUUID().toString();
     }