diff --git a/book_manager.py b/book_manager.py
index c1018fa..14edaaa 100644
--- a/book_manager.py
+++ b/book_manager.py
@@ -6,7 +6,7 @@ class BookManager:
     """图书管理类，负责图书信息的增删改查操作"""
     
     
-    def _load_books(self):
+    def _load_books():
         """从文件加载图书数据"""
         if os.path.exists(self.data_file):
             try: