diff --git a/apps/api/app/api/routes/viral_video.py b/apps/api/app/api/routes/viral_video.py
index aa5e09201..3ddcb8e90 100644
--- a/apps/api/app/api/routes/viral_video.py
+++ b/apps/api/app/api/routes/viral_video.py
@@ -49,8 +49,8 @@ from packages.adapters.sqlalchemy_impl.viral_video_repository import (
     SQLAlchemyViralVideoJobRepository,
     SQLAlchemyViralVideoStyleTemplateRepository,
 )
-from packages.domain.viral_video import ViralVideoStatus
 from packages.domain.points_rules import list_viral_video_models
+from packages.domain.viral_video import ViralVideoStatus
 from packages.shared.dashscope_client import get_dashscope_client
 
 logger = logging.getLogger(__name__)
diff --git a/apps/worker/worker_app/tasks/viral_video.py b/apps/worker/worker_app/tasks/viral_video.py
index 0540b6164..c581edba0 100644
--- a/apps/worker/worker_app/tasks/viral_video.py
+++ b/apps/worker/worker_app/tasks/viral_video.py
@@ -1126,8 +1126,8 @@ def _step_render(job: ViralVideoJob, copy_result: dict, tts_audio_url: str | Non
 
     返回 (本地视频路径, usage dict|None)。失败抛异常。
     """
-    from packages.shared.ai_service import call_video_generation
     from packages.domain.points_rules import get_viral_video_model_config
+    from packages.shared.ai_service import call_video_generation
 
     prompt = _assemble_seedance_prompt(copy_result, job)
     dur = max(5, min(30, int(getattr(job, "duration", 15) or 15)))
diff --git a/tests/unit/test_dashscope_client.py b/tests/unit/test_dashscope_client.py
index 500f1a8ed..82c751a4f 100644
--- a/tests/unit/test_dashscope_client.py
+++ b/tests/unit/test_dashscope_client.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from unittest.mock import MagicMock, patch, mock_open
+from unittest.mock import MagicMock, mock_open, patch
 
 import pytest