diff --git a/apps/api/app/api/routes/lipsync.py b/apps/api/app/api/routes/lipsync.py
index 2d6a98bd2..d13ce50dd 100644
--- a/apps/api/app/api/routes/lipsync.py
+++ b/apps/api/app/api/routes/lipsync.py
@@ -17,8 +17,6 @@ from datetime import UTC
 
 from app.auth import AuthenticatedUser, get_current_user
 from app.config import settings
-from packages.domain.points_rules import calculate_points_cost
-from packages.domain.points_service import PointsService
 from app.dependencies import (
     get_db_session,
     get_voice_clone_profile_repository,
@@ -34,6 +32,9 @@ from app.services.mediakit_client import MediaKitError
 from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, Query
 from sqlalchemy.orm import Session
 
+from packages.domain.points_rules import calculate_points_cost
+from packages.domain.points_service import PointsService
+
 logger = logging.getLogger(__name__)
 
 router = APIRouter()
diff --git a/apps/api/app/api/routes/tts.py b/apps/api/app/api/routes/tts.py
index 6782a1d33..a01c33d12 100644
--- a/apps/api/app/api/routes/tts.py
+++ b/apps/api/app/api/routes/tts.py
@@ -41,8 +41,6 @@ from sqlalchemy.orm import Session
 from packages.adapters.sqlalchemy_impl.tts_job_repository import (
     SQLAlchemyTTSJobRepository,
 )
-from packages.domain.points_rules import calculate_points_cost
-from packages.domain.points_service import PointsService
 from packages.application.cosyvoice_service import CosyVoiceError, CosyVoiceService
 from packages.application.tts_job.streaming_service import TTSStreamingService
 from packages.application.tts_job.use_cases import (
@@ -55,6 +53,8 @@ from packages.application.tts_job.use_cases import (
 )
 from packages.application.tts_job.workflow import TTSWorkflowService
 from packages.domain import Asset, AssetLibrary, AssetLibraryKind, AssetStatus, ClassificationStatus
+from packages.domain.points_rules import calculate_points_cost
+from packages.domain.points_service import PointsService
 from packages.domain.voice_presets import list_voices
 from packages.ports.asset_library_repository import AssetLibraryRepository
 from packages.ports.asset_repository import AssetRepository
diff --git a/apps/api/app/api/routes/voice_clones.py b/apps/api/app/api/routes/voice_clones.py
index fb60e84cc..25a35e041 100755
--- a/apps/api/app/api/routes/voice_clones.py
+++ b/apps/api/app/api/routes/voice_clones.py
@@ -25,6 +25,7 @@ from app.schemas.voice_clone import (
     VoiceCloneStatusResponse,
 )
 from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
+from sqlalchemy.orm import Session
 
 from packages.adapters.sqlalchemy_impl.voice_clone_profile_repository import (
     SQLAlchemyVoiceCloneProfileRepository,
@@ -43,7 +44,6 @@ from packages.application.voice_clone.workflow import (
 )
 from packages.domain.points_rules import calculate_points_cost
 from packages.domain.points_service import PointsService
-from sqlalchemy.orm import Session
 
 # remove duplicate
 _DUMMY_DELETED = ()
diff --git a/packages/middleware/points_gate.py b/packages/middleware/points_gate.py
index 54f8b7187..405fa35ee 100644
--- a/packages/middleware/points_gate.py
+++ b/packages/middleware/points_gate.py
@@ -81,10 +81,10 @@ def points_gate(
     return decorator
 
 
-
 def _filter_kwargs(func: Callable, kwargs: dict) -> dict:
     """过滤掉目标函数签名不接受的 kwargs（避免 TypeError）。"""
     import inspect
+
     try:
         sig = inspect.signature(func)
         params = sig.parameters
@@ -95,6 +95,7 @@ def _filter_kwargs(func: Callable, kwargs: dict) -> dict:
     except (ValueError, TypeError):
         return kwargs
 
+
 def _extract_kwargs(func: Callable, args: tuple, kwargs: dict) -> dict:
     """将位置参数映射到函数签名中的参数名，便于统一按 kwargs 提取。"""
     sig = inspect.signature(func)