diff --git a/quark_auto_save.py b/quark_auto_save.py
index 8b777a9..9b14572 100644
--- a/quark_auto_save.py
+++ b/quark_auto_save.py
@@ -18,6 +18,7 @@ import importlib
 import traceback
 import urllib.parse
 from datetime import datetime
+from natsort import natsorted
 
 # 兼容青龙
 try:
@@ -273,7 +274,7 @@ class MagicRename:
         # print(f"dir_filename_list: {dir_filename_list}")
         # 合并目录文件列表
         filename_list = list(set(filename_list) | set(dir_filename_dict.values()))
-        filename_list.sort(key=self._custom_sort_key)
+        filename_list = natsorted(filename_list, key=self._custom_sort_key)
         filename_index = {}
         for name in filename_list:
             if name in dir_filename_dict.values():
diff --git a/requirements.txt b/requirements.txt
index 0636d0c..0d4948e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ flask
 apscheduler
 requests
 treelib
+natsort
\ No newline at end of file