diff --git a/api/controllers/console/datasets/datasets.py b/api/controllers/console/datasets/datasets.py
index b45696c7cd..ab3fd5fcb4 100644
--- a/api/controllers/console/datasets/datasets.py
+++ b/api/controllers/console/datasets/datasets.py
@@ -289,7 +289,14 @@ 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())
+        # Convert query parameters to dict, handling list parameters correctly
+        query_params = request.args.to_dict()
+        # Handle ids and tag_ids as lists (Flask request.args.getlist returns list even for single value)
+        if "ids" in request.args:
+            query_params["ids"] = request.args.getlist("ids")
+        if "tag_ids" in request.args:
+            query_params["tag_ids"] = request.args.getlist("tag_ids")
+        query = ConsoleDatasetListQuery.model_validate(query_params)
         # provider = request.args.get("provider", default="vendor")
         if query.ids:
             datasets, total = DatasetService.get_datasets_by_ids(query.ids, current_tenant_id)