diff --git a/packages/application/tts_job/workflow.py b/packages/application/tts_job/workflow.py
index c0a661986..84226baab 100644
--- a/packages/application/tts_job/workflow.py
+++ b/packages/application/tts_job/workflow.py
@@ -18,11 +18,7 @@ from concurrent.futures import ThreadPoolExecutor, as_completed
 from typing import Optional
 
 import httpx
-from packages.application.cosyvoice_service import (
-    CosyVoiceAuthError,
-    CosyVoiceError,
-    CosyVoiceService,
-)
+from packages.application.cosyvoice_service import CosyVoiceAuthError, CosyVoiceError, CosyVoiceService
 from packages.application.tts_job.audio_merger import AudioMerger
 from packages.application.tts_job.text_splitter import split_text
 from packages.domain.tts_job import TTSJob, TTSJobStatus