diff --git a/apps/api/app/api/routes/edit_plans.py b/apps/api/app/api/routes/edit_plans.py
index a2080802c..46f2036d1 100644
--- a/apps/api/app/api/routes/edit_plans.py
+++ b/apps/api/app/api/routes/edit_plans.py
@@ -35,12 +35,12 @@ from packages.adapters.sqlalchemy_impl.generation_task_repository import (
 from packages.adapters.sqlalchemy_impl.template_clip_config_repository import (
     SQLAlchemyTemplateClipConfigRepository,
 )
-from packages.domain.edit_plan import EditPlan, EditPlanStatus
 from packages.application.generation_tasks import (
     CreateGenerationTaskCommand,
     CreateGenerationTaskUseCase,
 )
 from packages.domain.config_schemas import normalize_plan_config
+from packages.domain.edit_plan import EditPlan, EditPlanStatus
 
 logger = logging.getLogger(__name__)
 
@@ -480,9 +480,7 @@ def generate_plan(
                 template_clip_config_id=cfg.id,
                 duration=cfg.default_duration,
                 transition_effect=(
-                    cfg.transition_effect.value
-                    if hasattr(cfg.transition_effect, "value")
-                    else cfg.transition_effect
+                    cfg.transition_effect.value if hasattr(cfg.transition_effect, "value") else cfg.transition_effect
                 ),
             )
         logger.info("自动兜底: plan=%s 从模板复制了 %d 个片段", plan_id, len(configs))