diff --git a/src/main/java/org/ntlab/citrusserver/resources/FavoritedRest.java b/src/main/java/org/ntlab/citrusserver/resources/FavoritedRest.java
index f08a467..f816691 100644
--- a/src/main/java/org/ntlab/citrusserver/resources/FavoritedRest.java
+++ b/src/main/java/org/ntlab/citrusserver/resources/FavoritedRest.java
@@ -45,7 +45,7 @@
         //accountID存在確認
         if(accountManager.getAccount(account_id) != null) {
             //other_account_id存在確認
-            if(accountManager.getAccount(other_account_id) != null){
+            if (accountManager.getAccount(other_account_id) != null) {
                 //book_id存在確認
                 if (bookManager.getBook(account_id, book_id) != null) {
                     //token認証
@@ -57,19 +57,21 @@
                         var response = Response.status(Response.Status.FORBIDDEN).entity("認証失敗");
                         throw new WebApplicationException(response.build());
                     }
+                } else {
                     //本が存在しない時に対するエラー表示
                     var response = Response.status(Response.Status.NOT_FOUND).entity("本が存在しません");
                     throw new WebApplicationException(response.build());
                 }
+            } else {
                 //other_account_idが存在しない時に対するエラー表示
                 var response = Response.status(Response.Status.NOT_FOUND).entity("accountが存在しません");
                 throw new WebApplicationException(response.build());
             }
+        }else{
             //account_idが存在しない時に対するエラー表示
             var response = Response.status(Response.Status.NOT_FOUND).entity("accountが存在しません");
             throw new WebApplicationException(response.build());
         }
-
     }
 
     @Path("/{account_id}/books/{book_id}/favorited/{other_account_id}")
@@ -77,28 +79,31 @@
     @Produces(MediaType.APPLICATION_FORM_URLENCODED)
     public void removeFavorited(@PathParam("account_id") String account_id, @PathParam("book_id") Integer book_id, @PathParam("other_account_id") String other_account_id, @QueryParam("token") String token){
        //account存在確認
-        if(accountManager.getAccount(account_id) != null){
+        if(accountManager.getAccount(account_id) != null) {
             //other_account_id存在確認
-            if(accountManager.getAccount(other_account_id) != null){
+            if (accountManager.getAccount(other_account_id) != null) {
                 //book_id存在確認
-                if(bookManager.getBook(account_id,book_id) != null){
+                if (bookManager.getBook(account_id, book_id) != null) {
                     //token承認
-                    if(accountManager.checkToken(other_account_id,token)) {
+                    if (accountManager.checkToken(other_account_id, token)) {
                         favoriteManager.removeFavorited(account_id, book_id, other_account_id);
                         favoriteManager.removeFavorites(other_account_id, account_id, book_id);//変更点（要検討）
-                    }else{
+                    } else {
                         //tokenが承認しないときに対するエラー表示
                         var response = Response.status(Response.Status.FORBIDDEN).entity("認証失敗");
                         throw new WebApplicationException(response.build());
                     }
+                } else {
                     //本が存在しない時に対するエラー表示
                     var response = Response.status(Response.Status.NOT_FOUND).entity("本が存在しません");
                     throw new WebApplicationException(response.build());
                 }
+            } else {
                 //other_account_idが存在しない時に対するエラー表示
                 var response = Response.status(Response.Status.NOT_FOUND).entity("accountが存在しません");
                 throw new WebApplicationException(response.build());
             }
+        }else{
             //accountが存在しない時に対するエラー表示
             var response = Response.status(Response.Status.NOT_FOUND).entity("accountが存在しません");
             throw new WebApplicationException(response.build());