diff --git a/mp4tomp3.py b/mp4tomp3.py
new file mode 100644
index 0000000..aeb9839
--- /dev/null
+++ b/mp4tomp3.py
@@ -0,0 +1,49 @@
+import tkinter as tk
+from tkinter import filedialog
+import os
+import shutil
+#from moviepy.editor import VideoFileClip
+from moviepy import VideoFileClip
+def select_directory(title):
+    root = tk.Tk()
+    root.withdraw()  # 隐藏主窗口
+    directory = filedialog.askdirectory(title=title)
+    return directory
+
+def extract_audio(input_dir, output_dir):
+    for root, dirs, files in os.walk(input_dir):
+        # 创建对应的输出子目录
+        relative_path = os.path.relpath(root, input_dir)
+        output_sub_dir = os.path.join(output_dir, relative_path)
+        os.makedirs(output_sub_dir, exist_ok=True)
+        
+        for file in files:
+            if file.endswith((".mp4",".MP4",".mov",".MOV")):
+                input_file = os.path.join(root, file)
+                # 提取音频
+                clip = VideoFileClip(input_file)
+                audio = clip.audio
+                # 保存音频文件，去掉视频文件扩展名
+                audio_file_name = os.path.splitext(file)[0] + ".mp3"
+                output_audio_path = os.path.join(output_sub_dir, audio_file_name)
+                audio.write_audiofile(output_audio_path)
+                audio.close()
+                clip.close()
+                print(f"提取音频成功: {output_audio_path}")
+
+# 主程序
+if __name__ == "__main__":
+    # 选择输入目录
+    input_dir = select_directory("选择输入目录")
+    if not input_dir:
+        print("未选择输入目录，退出程序。")
+        exit()
+    
+    # 选择输出目录
+    output_dir = select_directory("选择输出目录")
+    if not output_dir:
+        print("未选择输出目录，退出程序。")
+        exit()
+    
+    # 提取音频
+    extract_audio(input_dir, output_dir)
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