diff --git a/apps/api/app/api/routes/duplication.py b/apps/api/app/api/routes/duplication.py
index 126f3c09b..48eb3c92d 100644
--- a/apps/api/app/api/routes/duplication.py
+++ b/apps/api/app/api/routes/duplication.py
@@ -239,7 +239,9 @@ def get_duplication_detail(
     return _to_detail_response(record)
 
 
-@router.delete("/records/{record_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None, response_class=Response)
+@router.delete(
+    "/records/{record_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None, response_class=Response
+)
 def delete_duplication_record(
     record_id: str,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),
diff --git a/apps/api/app/api/routes/edit_plans_generation.py b/apps/api/app/api/routes/edit_plans_generation.py
index 72ef8d99f..1fb37412b 100644
--- a/apps/api/app/api/routes/edit_plans_generation.py
+++ b/apps/api/app/api/routes/edit_plans_generation.py
@@ -183,9 +183,7 @@ def _auto_fallback_auto_material_mode(
 def _check_queue_limits(gen_task_repo, user_id: str) -> None:
     """队列限流预检查"""
     try:
-        has_count = hasattr(gen_task_repo, "count_pending_by_user") and hasattr(
-            gen_task_repo, "count_pending_total"
-        )
+        has_count = hasattr(gen_task_repo, "count_pending_by_user") and hasattr(gen_task_repo, "count_pending_total")
         if has_count:
             user_pending = gen_task_repo.count_pending_by_user(user_id)
             global_pending = gen_task_repo.count_pending_total()
diff --git a/apps/api/app/api/routes/feature_flags.py b/apps/api/app/api/routes/feature_flags.py
index ca059be11..c5834a5a6 100755
--- a/apps/api/app/api/routes/feature_flags.py
+++ b/apps/api/app/api/routes/feature_flags.py
@@ -178,7 +178,7 @@ async def delete_feature_flag(
     name: str,
     _: bool = Depends(_verify_internal_api_key),
     store: RedisFeatureFlagStore = Depends(_get_feature_flag_store),
-) :
+):
     """删除 Feature Flag。
 
     只允许删除 ALLOWED_FLAGS 列表中的 flag。
diff --git a/apps/api/app/api/routes/generation_tasks.py b/apps/api/app/api/routes/generation_tasks.py
index 7c18d2711..7f7b3fa60 100644
--- a/apps/api/app/api/routes/generation_tasks.py
+++ b/apps/api/app/api/routes/generation_tasks.py
@@ -43,6 +43,7 @@ logger = logging.getLogger(__name__)
 
 router = APIRouter()
 
+
 def _to_generation_task_response(task) -> GenerationTaskResponse:
     return GenerationTaskResponse(
         id=task.id,
diff --git a/apps/api/app/api/routes/templates.py b/apps/api/app/api/routes/templates.py
index 5d26bc990..3f632d4d5 100644
--- a/apps/api/app/api/routes/templates.py
+++ b/apps/api/app/api/routes/templates.py
@@ -375,7 +375,9 @@ def create_category(
     )
 
 
-@router.delete("/categories/{category_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None, response_class=Response)
+@router.delete(
+    "/categories/{category_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None, response_class=Response
+)
 def delete_category(
     category_id: str,
     authenticated_user: AuthenticatedUser = Depends(get_current_user),