diff --git a/packages/application/cosyvoice_service.py b/packages/application/cosyvoice_service.py
index 638a79118..6b645f91c 100755
--- a/packages/application/cosyvoice_service.py
+++ b/packages/application/cosyvoice_service.py
@@ -570,6 +570,7 @@ class CosyVoiceService:
         """
         # 只保留字母和数字
         import re
+
         cleaned = re.sub(r"[^a-zA-Z0-9]", "", name)
         # 最多10字符
         cleaned = cleaned[:10]