diff --git a/api/controllers/console/datasets/datasets.py b/api/controllers/console/datasets/datasets.py
index e9371b608c..37c828c3a8 100644
--- a/api/controllers/console/datasets/datasets.py
+++ b/api/controllers/console/datasets/datasets.py
@@ -286,7 +286,7 @@ class DatasetListApi(Resource):
     @enterprise_license_required
     def get(self):
         current_user, current_tenant_id = current_account_with_tenant()
-        query = ConsoleDatasetListQuery.model_validate(request.args.to_dict(flat=False))
+        query = ConsoleDatasetListQuery.model_validate(request.args.to_dict())
         # provider = request.args.get("provider", default="vendor")
         if query.ids:
             datasets, total = DatasetService.get_datasets_by_ids(query.ids, current_tenant_id)
diff --git a/api/controllers/service_api/dataset/dataset.py b/api/controllers/service_api/dataset/dataset.py
index b036a71f18..2af269fd91 100644
--- a/api/controllers/service_api/dataset/dataset.py
+++ b/api/controllers/service_api/dataset/dataset.py
@@ -122,7 +122,7 @@ class DatasetListApi(DatasetApiResource):
     )
     def get(self, tenant_id):
         """Resource for getting datasets."""
-        query = DatasetListQuery.model_validate(request.args.to_dict(flat=False))
+        query = DatasetListQuery.model_validate(request.args.to_dict())
         # provider = request.args.get("provider", default="vendor")
 
         datasets, total = DatasetService.get_datasets(