diff --git a/tests/unit/test_lipsync_gpu_integration.py b/tests/unit/test_lipsync_gpu_integration.py
index 9feaf542c..60a1412ba 100644
--- a/tests/unit/test_lipsync_gpu_integration.py
+++ b/tests/unit/test_lipsync_gpu_integration.py
@@ -115,9 +115,7 @@ class TestGpuFallback:
         with (
             _patch_storage() as storage_p,
             patch("app.services.gpu_lipsync_service.GpuLipsyncService", return_value=fake_gpu_svc),
-            patch(
-                "app.services.lipsync_service.lipsync_gpu_process_async"
-            ) as m_celery,
+            patch("app.services.lipsync_service.lipsync_gpu_process_async") as m_celery,
         ):
             m_celery.apply_async.side_effect = RuntimeError("Celery down")
             storage = storage_p()
diff --git a/tests/unit/test_lipsync_speed_optimization.py b/tests/unit/test_lipsync_speed_optimization.py
index bca1c14dc..3ae35981c 100644
--- a/tests/unit/test_lipsync_speed_optimization.py
+++ b/tests/unit/test_lipsync_speed_optimization.py
@@ -102,6 +102,8 @@ def _make_service_with_mocks():
     svc = LipsyncService(db, client=client, cosyvoice_service=cosy, voice_clone_repo=MagicMock())
     # _resolve_voice_id 默认原样返回（repo.get 返回 None）
     svc._voice_clone_repo.get.return_value = None
+    # 确保 GPU 路径关闭（settings 是缓存单例，其他测试可能设过 True）
+    svc.settings.use_gpu_lipsync = False
     return svc, client, cosy