diff --git a/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java b/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
index b211755..f364b5d 100644
--- a/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
+++ b/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
@@ -50,8 +50,7 @@
             var response = Response.status(Response.Status.NOT_FOUND).entity("IDが存在しません");//404
             throw new WebApplicationException(response.build());
         }
-        Account ac = accountManager.getAccount(accountId);
-        return ac;
+        return accountManager.getAccount(accountId);
     }
 
     // アカウント情報を全削除する(DELETE)
@@ -85,6 +84,7 @@
                                   @FormParam("token") String token){
         if(accountManager.checkToken(accountId, token)) {
             accountManager.changePassword(accountId, newPassword, oldPassword, token);
+            return;
         }
 
         //404
@@ -114,6 +114,7 @@
                                     @FormParam("token") String token){
         if(accountManager.checkToken(accountId, token)) {
             accountManager.changeIntroduction(accountId, introduction, token);
+            return;
         }
         //404
         if (!accountManager.getAccountsID().contains(accountId)){ //account_idが存在しない時