diff --git a/api/controllers/console/datasets/datasets.py b/api/controllers/console/datasets/datasets.py
index 6532e046c9..fed304f728 100644
--- a/api/controllers/console/datasets/datasets.py
+++ b/api/controllers/console/datasets/datasets.py
@@ -79,7 +79,7 @@ class DatasetListApi(Resource):
         data = marshal(datasets, dataset_detail_fields)
         for item in data:
             # convert embedding_model_provider to plugin standard format
-            if item["indexing_technique"] == "high_quality":
+            if item["indexing_technique"] == "high_quality" and item["embedding_model_provider"]:
                 item["embedding_model_provider"] = str(ModelProviderID(item["embedding_model_provider"]))
                 item_model = f"{item['embedding_model']}:{item['embedding_model_provider']}"
                 if item_model in model_names:
diff --git a/api/controllers/service_api/dataset/dataset.py b/api/controllers/service_api/dataset/dataset.py
index 49acdd693a..8ab743dc44 100644
--- a/api/controllers/service_api/dataset/dataset.py
+++ b/api/controllers/service_api/dataset/dataset.py
@@ -7,6 +7,7 @@ from controllers.service_api import api
 from controllers.service_api.dataset.error import DatasetInUseError, DatasetNameDuplicateError
 from controllers.service_api.wraps import DatasetApiResource
 from core.model_runtime.entities.model_entities import ModelType
+from core.plugin.entities.plugin import ModelProviderID
 from core.provider_manager import ProviderManager
 from fields.dataset_fields import dataset_detail_fields
 from libs.login import current_user
@@ -48,7 +49,8 @@ class DatasetListApi(DatasetApiResource):
 
         data = marshal(datasets, dataset_detail_fields)
         for item in data:
-            if item["indexing_technique"] == "high_quality":
+            if item["indexing_technique"] == "high_quality" and item["embedding_model_provider"]:
+                item["embedding_model_provider"] = str(ModelProviderID(item["embedding_model_provider"]))
                 item_model = f"{item['embedding_model']}:{item['embedding_model_provider']}"
                 if item_model in model_names:
                     item["embedding_available"] = True