diff --git a/book_manager.py b/book_manager.py
index 7ecdc03..0814b05 100644
--- a/book_manager.py
+++ b/book_manager.py
@@ -5,7 +5,7 @@ from datetime import datetime
 class BookManager:
     
     
-    def _load_books(self):
+    def _load_books(self):  # 加载books
         """从文件加载图书数据"""
         if os.path.exists(self.data_file):
             try: