diff --git a/app/controller/add_knowledge_route.py b/app/controller/add_knowledge_route.py
index 08a0957..2972f29 100644
--- a/app/controller/add_knowledge_route.py
+++ b/app/controller/add_knowledge_route.py
@@ -20,7 +20,7 @@ def add_knowledge_route(app):
     document_list = [
       Document(
         text=text,
-        doc_id=id_list[index],
+        id=id_list[index],
         metadata={"kb_id": "abc"}
       )
       for index, text in enumerate(text_list)