diff --git a/packages/application/tts_job/streaming_service.py b/packages/application/tts_job/streaming_service.py
index 80e7f255d..d509cd5d5 100644
--- a/packages/application/tts_job/streaming_service.py
+++ b/packages/application/tts_job/streaming_service.py
@@ -12,10 +12,10 @@ import logging
 from typing import Any, Optional
 
 import httpx
-from packages.application.cosyvoice_service import CosyVoiceError, CosyVoiceService
-from packages.shared.url_security import ALLOWED_AUDIO_MIME_TYPES, safe_download_bytes
 
+from packages.application.cosyvoice_service import CosyVoiceError, CosyVoiceService
 from packages.application.tts_job.text_splitter import split_text
+from packages.shared.url_security import ALLOWED_AUDIO_MIME_TYPES, safe_download_bytes
 
 logger = logging.getLogger(__name__)