diff --git a/api/controllers/console/explore/trial.py b/api/controllers/console/explore/trial.py
index 7aa4ead946..8fb4622d2f 100644
--- a/api/controllers/console/explore/trial.py
+++ b/api/controllers/console/explore/trial.py
@@ -30,7 +30,6 @@ from controllers.console.explore.error import (
     NotWorkflowAppError,
 )
 from controllers.console.explore.wraps import TrialAppResource, trial_feature_enable
-from controllers.service_api import service_api_ns
 from controllers.web.error import InvokeRateLimitError as InvokeRateLimitHttpError
 from core.app.app_config.common.parameters_mapping import get_parameters_from_feature_dict
 from core.app.apps.base_app_queue_manager import AppQueueManager