diff --git a/apps/api/app/api/routes/generation_tasks.py b/apps/api/app/api/routes/generation_tasks.py
index 8a4af564d..b6a111dc0 100644
--- a/apps/api/app/api/routes/generation_tasks.py
+++ b/apps/api/app/api/routes/generation_tasks.py
@@ -57,12 +57,12 @@ def _to_generation_task_response(task) -> GenerationTaskResponse:
         source_edit_plan_id=task.source_edit_plan_id or "",
         asset_select_mode=getattr(task, "asset_select_mode", ""),
         batch_id=getattr(task, "batch_id", ""),
-        is_preview=getattr(task, 'is_preview', True),
-        source_task_id=getattr(task, 'source_task_id', ''),
-        output_width=getattr(task, 'output_width', 1280),
-        output_height=getattr(task, 'output_height', 720),
-        cover_url=getattr(task, 'cover_url', ''),
-        custom_title=getattr(task, 'custom_title', ''),
+        is_preview=getattr(task, "is_preview", True),
+        source_task_id=getattr(task, "source_task_id", ""),
+        output_width=getattr(task, "output_width", 1280),
+        output_height=getattr(task, "output_height", 720),
+        cover_url=getattr(task, "cover_url", ""),
+        custom_title=getattr(task, "custom_title", ""),
         status=task.status,
         progress=task.progress,
         result_count=task.result_count,
diff --git a/apps/api/app/schemas/generation_task.py b/apps/api/app/schemas/generation_task.py
index f0f97028b..0b7fa3d86 100644
--- a/apps/api/app/schemas/generation_task.py
+++ b/apps/api/app/schemas/generation_task.py
@@ -3,6 +3,7 @@ from pydantic import BaseModel, Field, model_validator
 
 class ConfirmGenerationRequest(BaseModel):
     """确认生成请求体 — 基于预览任务创建正式生成任务"""
+
     output_width: int = Field(default=1080, description="输出视频宽度")
     output_height: int = Field(default=1920, description="输出视频高度")
     cover_url: str = Field(default="", description="自定义封面图片 URL")
diff --git a/apps/worker/worker_app/tasks/generation.py b/apps/worker/worker_app/tasks/generation.py
index 6c6223421..8efc5ae22 100755
--- a/apps/worker/worker_app/tasks/generation.py
+++ b/apps/worker/worker_app/tasks/generation.py
@@ -96,7 +96,9 @@ def _probe_duration(local_path: Path) -> float:
         return OUTPUT_DURATION_SECONDS
 
 
-def _create_fallback_clip(output_path: Path, title: str, width: int = OUTPUT_WIDTH, height: int = OUTPUT_HEIGHT) -> None:
+def _create_fallback_clip(
+    output_path: Path, title: str, width: int = OUTPUT_WIDTH, height: int = OUTPUT_HEIGHT
+) -> None:
     """创建 fallback 视频（无素材时）"""
     safe_title = title.replace(":", "\\:").replace("'", "\\'")[:80]
     _run_ffmpeg(
@@ -265,10 +267,10 @@ def generate_video(self, task_id: str) -> dict:
         task_asset_ids = list(gen_task.asset_ids or [])
         batch_id = getattr(gen_task, "batch_id", "") or ""
         # 新增字段：分辨率、封面、标题
-        output_width = getattr(gen_task, 'output_width', OUTPUT_WIDTH) or OUTPUT_WIDTH
-        output_height = getattr(gen_task, 'output_height', OUTPUT_HEIGHT) or OUTPUT_HEIGHT
-        cover_url = getattr(gen_task, 'cover_url', '') or ''
-        custom_title = getattr(gen_task, 'custom_title', '') or ''
+        output_width = getattr(gen_task, "output_width", OUTPUT_WIDTH) or OUTPUT_WIDTH
+        output_height = getattr(gen_task, "output_height", OUTPUT_HEIGHT) or OUTPUT_HEIGHT
+        cover_url = getattr(gen_task, "cover_url", "") or ""
+        custom_title = getattr(gen_task, "custom_title", "") or ""
     finally:
         session.close()
 
@@ -304,7 +306,9 @@ def generate_video(self, task_id: str) -> dict:
                     output_height=output_height,
                 )
             else:
-                _create_fallback_clip(output_path, f"Generated Video {task_id[:8]}", width=output_width, height=output_height)
+                _create_fallback_clip(
+                    output_path, f"Generated Video {task_id[:8]}", width=output_width, height=output_height
+                )
 
             file_size = output_path.stat().st_size
             duration = _probe_duration(output_path)
diff --git a/packages/adapters/sqlalchemy_impl/generation_task_repository.py b/packages/adapters/sqlalchemy_impl/generation_task_repository.py
index 6aae48dba..64a0f574c 100644
--- a/packages/adapters/sqlalchemy_impl/generation_task_repository.py
+++ b/packages/adapters/sqlalchemy_impl/generation_task_repository.py
@@ -27,12 +27,12 @@ def _to_domain(model: GenerationTaskModel) -> GenerationTask:
         source_edit_plan_id=model.source_edit_plan_id or "",
         asset_select_mode=model.asset_select_mode or "",
         batch_id=model.batch_id or "",
-        is_preview=getattr(model, 'is_preview', True),
-        source_task_id=getattr(model, 'source_task_id', '') or "",
-        output_width=getattr(model, 'output_width', 1280) or 1280,
-        output_height=getattr(model, 'output_height', 720) or 720,
-        cover_url=getattr(model, 'cover_url', '') or "",
-        custom_title=getattr(model, 'custom_title', '') or "",
+        is_preview=getattr(model, "is_preview", True),
+        source_task_id=getattr(model, "source_task_id", "") or "",
+        output_width=getattr(model, "output_width", 1280) or 1280,
+        output_height=getattr(model, "output_height", 720) or 720,
+        cover_url=getattr(model, "cover_url", "") or "",
+        custom_title=getattr(model, "custom_title", "") or "",
         created_at=model.created_at,
     )
 
diff --git a/tests/unit/test_confirm_generation.py b/tests/unit/test_confirm_generation.py
index 1dfaa5c3a..7de24ea05 100644
--- a/tests/unit/test_confirm_generation.py
+++ b/tests/unit/test_confirm_generation.py
@@ -28,7 +28,6 @@ sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "apps", "
 
 from packages.domain.generation_task import GenerationTask, GenerationTaskStatus
 
-
 # ── Stub Repository ──────────────────────────────────────────────────────────