diff --git a/tests/integration/test_classification_api.py b/tests/integration/test_classification_api.py
index e2f38ad2a..9d466c423 100644
--- a/tests/integration/test_classification_api.py
+++ b/tests/integration/test_classification_api.py
@@ -25,15 +25,14 @@ from fastapi.testclient import TestClient
 
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "apps", "api"))
 
+# mock celery_app 以避免实际发送任务
+import app.api.routes.classification_jobs as classification_routes
 from app.api.routes.classification_jobs import router
 from app.dependencies import get_classification_job_repository
 
 from packages.adapters.in_memory import InMemoryClassificationJobRepository
 from packages.domain import ClassificationJob, ClassificationJobStatus
 
-# mock celery_app 以避免实际发送任务
-import app.api.routes.classification_jobs as classification_routes
-
 classification_routes.celery_app = MagicMock()
 
 
diff --git a/tests/integration/test_ingest_api.py b/tests/integration/test_ingest_api.py
index 96d6087d6..2167e0b8a 100644
--- a/tests/integration/test_ingest_api.py
+++ b/tests/integration/test_ingest_api.py
@@ -25,15 +25,14 @@ from fastapi.testclient import TestClient
 
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "apps", "api"))
 
+# mock celery_app 以避免实际发送任务
+import app.api.routes.ingest_jobs as ingest_routes
 from app.api.routes.ingest_jobs import router
 from app.dependencies import get_ingest_job_repository
 
 from packages.adapters.in_memory import InMemoryIngestJobRepository
 from packages.domain import IngestJob, IngestJobStatus
 
-# mock celery_app 以避免实际发送任务
-import app.api.routes.ingest_jobs as ingest_routes
-
 ingest_routes.celery_app = MagicMock()
 
 
diff --git a/tests/unit/test_payment_callback.py b/tests/unit/test_payment_callback.py
index da7711d50..4b9beec51 100644
--- a/tests/unit/test_payment_callback.py
+++ b/tests/unit/test_payment_callback.py
@@ -31,7 +31,7 @@ from fastapi.testclient import TestClient
 
 sys.path.insert(0, str(Path(__file__).resolve().parents[2] / "apps" / "api"))
 
-from app.api.routes.subscription import router, _get_plan_name, _get_plan_price
+from app.api.routes.subscription import _get_plan_name, _get_plan_price, router
 
 # ---------------------------------------------------------------------------
 # 1. Mock Billing Repository