diff --git a/api/db/services/conversation_service.py b/api/db/services/conversation_service.py
index 03092ece5..3cfa42a6b 100644
--- a/api/db/services/conversation_service.py
+++ b/api/db/services/conversation_service.py
@@ -58,7 +58,7 @@ def structure_answer(conv, ans, message_id, session_id):
 
     chunk_list = [{
             "id": chunk["chunk_id"],
-            "content": chunk["content"],
+            "content": chunk.get("content") if chunk.get("content") else chunk.get("content_with_content"),
             "document_id": chunk["doc_id"],
             "document_name": chunk["docnm_kwd"],
             "dataset_id": chunk["kb_id"],