diff --git a/language_learning/2022.08.31_batch_modify_file_name/batch_modify_file_name.py b/language_learning/2022.08.31_batch_modify_file_name/batch_modify_file_name.py
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+++ b/language_learning/2022.08.31_batch_modify_file_name/batch_modify_file_name.py
@@ -0,0 +1,41 @@
+"""
+This code is supported by the website: https://www.guanjihuan.com
+The newest version of this code is on the web page: https://www.guanjihuan.com/archives/25453
+"""
+
+import os
+
+# 选取某个目录
+directory = 'E:/'
+
+def main():
+    for root, dirs, files in os.walk(directory):
+        for i0 in range(len(files)):
+            if 'pdf' in files[i0] or 'djvu' in files[i0]: # 满足某个条件的文件 
+
+                # 显示旧文件名
+                name = files[i0]
+                print(name) # 显示旧文件名
+
+                # 显示新文件名
+                new_name = modify_name(name)
+                print(new_name)
+                print()
+
+                # # 修改文件名。注意：需要检查前面的代码，尤其是modify_name的规则看是否都满足，再运行下面的代码，否则文件名的修改会出现遗漏或混乱。
+                # if new_name != None:
+                #     os.rename(root+'/'+name, root+'/'+new_name) 
+        
+
+def modify_name(name):  # 按某种规则修改文件名
+    array = name.split(' - ')  # 通过' - '把这类型的文件名切开
+    if len(array) != 3:
+        print('Miss:', name)
+        new_name = None  # 如果不满足规则，则不修改
+    else:
+        new_name= array[1]+' - '+array[0]+' - '+array[2] # 做个对调
+    return new_name
+
+
+if __name__ == '__main__':
+    main()
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