diff --git a/.gitignore b/.gitignore
index 13d1490..dd1d1f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -128,4 +128,4 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
-
+.idea
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..27f5319
--- /dev/null
+++ b/main.py
@@ -0,0 +1,40 @@
+# -*- coding:utf-8 -*-
+import os
+import re
+from ffmpeg import audio
+
+root_dir = r'I:\work\SVN\new_shenghua\chengxu\client\res\sound'
+
+
+def get_files(path):
+    res = []
+    r = os.listdir(path)  # 列出文件夹下所有的目录与文件
+    for i in r:
+        file_path = os.path.join(path, i)
+        if os.path.isfile(file_path) and file_path.endswith('mp3'):
+            if re.match(r'.*x[\d\.]+\.mp3$', file_path):
+                continue
+            res.append(file_path)
+    return res
+
+
+def change_speed(file, x, error_info):
+    res = audio.a_speed(file, x, re.sub(r'(\.mp3$)', f'_x{x}.mp3', file))
+    if not res:
+        error_info.append(f'{file} to {x} error')
+
+
+def run():
+    files = get_files(root_dir)
+    error_info = []
+    for file in files:
+        change_speed(file, '1.5', error_info)
+        change_speed(file, '3', error_info)
+
+    print('*'*20)
+    for i in error_info:
+        print(i)
+
+
+if __name__ == "__main__":
+    run()