diff --git a/api/db/services/document_service.py b/api/db/services/document_service.py
index a4de7b977..69e13ba14 100644
--- a/api/db/services/document_service.py
+++ b/api/db/services/document_service.py
@@ -570,7 +570,7 @@ def doc_upload_and_parse(conversation_id, file_objs, user_id):
                     "kb_id": [kb.id],
                     "docnm_kwd": doc_nm[doc_id],
                     "title_tks": rag_tokenizer.tokenize(re.sub(r"\.[a-zA-Z]+$", "", doc_nm[doc_id])),
-                    "content_ltks": "",
+                    "content_ltks": rag_tokenizer.tokenize("summary summarize 总结 概况 file 文件 概括"),
                     "content_with_weight": mind_map,
                     "knowledge_graph_kwd": "mind_map"
                 })