diff --git a/apps/api/app/middleware/versioning.py b/apps/api/app/middleware/versioning.py
index 48078fd7f..2563713a5 100644
--- a/apps/api/app/middleware/versioning.py
+++ b/apps/api/app/middleware/versioning.py
@@ -61,7 +61,7 @@ class APIVersionMiddleware(BaseHTTPMiddleware):
 class VersionNotFoundMiddleware(BaseHTTPMiddleware):
     """处理已下线的 API 版本"""
 
-    SUNSET_VERSIONS = []  # 已下线的版本列表
+    SUNSET_VERSIONS: list[str] = []  # 已下线的版本列表
 
     async def dispatch(self, request: Request, call_next):
         version = self._extract_version(request.url.path)
diff --git a/apps/worker/video_processing/trim_engine.py b/apps/worker/video_processing/trim_engine.py
index ada3f373a..62bf6f88a 100755
--- a/apps/worker/video_processing/trim_engine.py
+++ b/apps/worker/video_processing/trim_engine.py
@@ -186,8 +186,8 @@ class TrimEngine:
             FFmpeg filter 字符串，如 "[0:v]trim=start=10:duration=5,setpts=PTS-STARTPTS[v0_trimmed]"
         """
         if trim.is_noop:
-            # 不裁剪，直接直通
-            return f"{input_label}copy{output_label}" if False else f"{input_label}setpts=PTS-STARTPTS{output_label}"
+            # 不裁剪，直接直通（仅重置时间戳）
+            return f"{input_label}setpts=PTS-STARTPTS{output_label}"
 
         parts: list[str] = []
 
diff --git a/pyproject.toml b/pyproject.toml
index bba37e42e..cf71b34ae 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,6 @@ select = [
 # 与原 setup.cfg flake8 配置对齐，确保不新增阻断
 ignore = [
   "E203",
-  "W503",
   "E501",  # line-too-long（black管）
   "E302",
   "E402",  # module-import-not-at-top（循环导入多）
@@ -97,6 +96,6 @@ ignore = [
 [tool.ruff.lint.per-file-ignores]
 "__init__.py" = ["F401", "F403", "F405"]
 "tests/*" = ["E402", "F401", "F841"]
-"packages/ports/*" = ["E301", "E704"]
+"packages/ports/*" = ["E301"]
 "apps/*/migrations/*" = ["ALL"]
 "alembic/*" = ["ALL"]
diff --git a/scripts/check_migration_safety.py b/scripts/check_migration_safety.py
index 747181e8f..b01fb0387 100644
--- a/scripts/check_migration_safety.py
+++ b/scripts/check_migration_safety.py
@@ -123,7 +123,7 @@ def get_new_migrations_via_diff(diff_target: str) -> List[Path]:
         return [REPO_ROOT / f for f in files]
     except subprocess.CalledProcessError as e:
         print(f"⚠️  git diff 失败（{diff_target}）：{e.stderr.strip()}")
-        print(f"   降级为检查所有迁移文件")
+        print("   降级为检查所有迁移文件")
         return sorted(ALEMBIC_VERSIONS_DIR.glob("*.py"))
 
 
diff --git a/scripts/ci_notify.py b/scripts/ci_notify.py
index 40f78e35b..f15e84802 100644
--- a/scripts/ci_notify.py
+++ b/scripts/ci_notify.py
@@ -125,7 +125,7 @@ def main() -> int:
     if mode != "start":
         fields.append({"is_short": True, "text": {"tag": "lark_md", "content": f"**耗时**\n{duration}"}})
     else:
-        fields.append({"is_short": True, "text": {"tag": "lark_md", "content": f"**状态**\n进行中"}})
+        fields.append({"is_short": True, "text": {"tag": "lark_md", "content": "**状态**\n进行中"}})
 
     if runner_name:
         fields.append({"is_short": True, "text": {"tag": "lark_md", "content": f"**Runner**\n{runner_name}"}})
diff --git a/scripts/init_phase6_tasks.py b/scripts/init_phase6_tasks.py
index cf445f99a..73c822bc5 100644
--- a/scripts/init_phase6_tasks.py
+++ b/scripts/init_phase6_tasks.py
@@ -378,17 +378,17 @@ def init_phase6_tasks():
     conn.commit()
     conn.close()
 
-    print(f"\n[SUCCESS] Phase 6 任务初始化完成！")
+    print("\n[SUCCESS] Phase 6 任务初始化完成！")
     print(f"📊 总计 {len(PHASE6_TASKS)} 个任务")
     print(f"✅ 成功创建 {created_count} 个任务")
-    print(f"\n任务分布：")
-    print(f"  Week 1-2: 基础搭建 - 7 个任务")
-    print(f"  Week 3: 认证页面 - 5 个任务")
-    print(f"  Week 4: 工作空间管理 - 6 个任务")
-    print(f"  Week 5: 订阅管理 - 5 个任务")
-    print(f"  Week 6: Admin 后台 - 5 个任务")
-    print(f"  Week 7: 个人中心 - 4 个任务")
-    print(f"  Week 8: 测试和优化 - 8 个任务")
+    print("\n任务分布：")
+    print("  Week 1-2: 基础搭建 - 7 个任务")
+    print("  Week 3: 认证页面 - 5 个任务")
+    print("  Week 4: 工作空间管理 - 6 个任务")
+    print("  Week 5: 订阅管理 - 5 个任务")
+    print("  Week 6: Admin 后台 - 5 个任务")
+    print("  Week 7: 个人中心 - 4 个任务")
+    print("  Week 8: 测试和优化 - 8 个任务")
     print(f"\n预计总工时：{sum(t['estimated_hours'] for t in PHASE6_TASKS)} 小时")
 
 
diff --git a/scripts/init_tracker_data.py b/scripts/init_tracker_data.py
index 180eb8cc3..78bdb5433 100644
--- a/scripts/init_tracker_data.py
+++ b/scripts/init_tracker_data.py
@@ -294,8 +294,8 @@ def main():
     print("\n" + "=" * 60)
     print("[OK] 数据初始化完成！")
     print("=" * 60)
-    print(f"\n访问推进器: http://47.98.113.167:8088/projects")
-    print(f"访问 API 文档: http://47.98.113.167:8089/docs\n")
+    print("\n访问推进器: http://47.98.113.167:8088/projects")
+    print("访问 API 文档: http://47.98.113.167:8089/docs\n")
 
 
 if __name__ == "__main__":
diff --git a/tests/unit/test_config_schemas_and_ai_endpoints.py b/tests/unit/test_config_schemas_and_ai_endpoints.py
index b2f2ee2dd..b79e2b75a 100644
--- a/tests/unit/test_config_schemas_and_ai_endpoints.py
+++ b/tests/unit/test_config_schemas_and_ai_endpoints.py
@@ -173,7 +173,9 @@ class TestConfigSchemas:
         cfg = BGMConfig(volume=0.5)
         assert cfg.volume == 0.5
 
-        with pytest.raises(Exception):
+        from pydantic import ValidationError
+
+        with pytest.raises(ValidationError):
             BGMConfig(volume=1.5)  # > 1.0 应该校验失败
 
     def test_edit_plan_config_schema_full(self):