diff --git a/src/main/java/org/ntlab/citrusserver/repositories/PublicBookManager.java b/src/main/java/org/ntlab/citrusserver/repositories/PublicBookManager.java
index 3bc8d98..55fc5a5 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/PublicBookManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/PublicBookManager.java
@@ -116,12 +116,7 @@
             case 2:
                 ArrayList<BookForSort> booksForSort = new ArrayList<>();
                 for(Book book : books){
-                    HashSet<String> favorites = favoriteManager.getFavorited(book.getAccountId(), book.getBookId());
-                    int count = 0;
-                    if(favorites != null){
-                        count = favorites.size();
-                    }
-                    booksForSort.add(new BookForSort(book, count));
+                    booksForSort.add(new BookForSort(book, book.getFavoritedCount()));
                 }
                 booksForSort.sort(Comparator.comparing(BookForSort::favoriteNum).reversed());
                 ArrayList<Book> res = new ArrayList<>();