diff --git a/api/core/app/app_config/easy_ui_based_app/dataset/manager.py b/api/core/app/app_config/easy_ui_based_app/dataset/manager.py
index 646c4badb9..c723531735 100644
--- a/api/core/app/app_config/easy_ui_based_app/dataset/manager.py
+++ b/api/core/app/app_config/easy_ui_based_app/dataset/manager.py
@@ -119,9 +119,6 @@ class DatasetConfigManager:
         if not isinstance(config["dataset_configs"], dict):
             raise ValueError("dataset_configs must be of object type")
 
-        if not isinstance(config["dataset_configs"], dict):
-            raise ValueError("dataset_configs must be of object type")
-
         need_manual_query_datasets = config.get("dataset_configs") and config["dataset_configs"].get(
             "datasets", {}
         ).get("datasets")