diff --git a/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java b/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
index 9a6e657..1c958b8 100644
--- a/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
+++ b/src/main/java/org/ntlab/citrusserver/resources/AccountsRest.java
@@ -5,7 +5,7 @@
 import org.ntlab.citrusserver.entities.Account;
 import org.ntlab.citrusserver.repositories.AccountManager;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.http.HttpStatus;
+//import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Component;
 
 import java.util.ArrayList;
@@ -50,10 +50,8 @@
             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;
-
     }
 
     // アカウント情報を全削除する(DELETE)
@@ -143,11 +141,11 @@
     @Produces(MediaType.APPLICATION_JSON)
     public ArrayList<HashMap<String, String>> favoriteBook(@PathParam("account_id") String accountId,
                                                            @QueryParam("token")String token){
-        if(accountManager.checkToken(accountId, token) == true) {
+        if(accountManager.checkToken(accountId, token)) {
             return accountManager.Favorites(accountId, token);
         }
         //404
-        if (accountManager.getAccountsID().contains(accountId) == false){ //account_idが存在しない時
+        if (!accountManager.getAccountsID().contains(accountId)){ //account_idが存在しない時
             var response = Response.status(Response.Status.NOT_FOUND).entity("IDが存在しません");//404
             throw new WebApplicationException(response.build());
         }
@@ -161,12 +159,12 @@
     public ArrayList<Integer> FavoriteBook(@PathParam("account_id") String accountId,
                                            @PathParam("other_account_id") String otherAccountId,
                                            @QueryParam("token")String token){
-        if(accountManager.checkToken(accountId, token) == true) {
+        if(accountManager.checkToken(accountId, token)) {
             return accountManager.FavoritesBookId(accountId, otherAccountId, token);
         }
 
         //404
-        if (accountManager.getAccountsID().contains(accountId) == false){ //account_idが存在しない時
+        if (!accountManager.getAccountsID().contains(accountId)){ //account_idが存在しない時
             var response = Response.status(Response.Status.NOT_FOUND).entity("IDが存在しません");//404
             throw new WebApplicationException(response.build());
         }
@@ -191,7 +189,7 @@
     @POST
     public String login(@PathParam("account_id") String accountId,@FormParam("password") String password) {
         //404
-        if (accountManager.getAccountsID().contains(accountId) == false){ //account_idが存在しない時
+        if (!accountManager.getAccountsID().contains(accountId)){ //account_idが存在しない時
             var response = Response.status(Response.Status.NOT_FOUND).entity("IDが存在しません");//404
             throw new WebApplicationException(response.build());
         }