diff --git a/api/services/app_service.py b/api/services/app_service.py
index e80c720d4c..f3a12a8b9c 100644
--- a/api/services/app_service.py
+++ b/api/services/app_service.py
@@ -7,7 +7,7 @@ import yaml
 from constants.model_template import default_app_templates
 from core.errors.error import ProviderTokenNotInitError
 from core.model_manager import ModelManager
-from core.model_runtime.entities.model_entities import ModelType, ModelPropertyKey
+from core.model_runtime.entities.model_entities import ModelPropertyKey, ModelType
 from core.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
 from events.app_event import app_was_created, app_was_deleted
 from extensions.ext_database import db