From 2118bc25563266ade338e16c9d6618b47664e9c2 Mon Sep 17 00:00:00 2001
From: Stephen Hu <812791840@qq.com>
Date: Mon, 22 Dec 2025 11:08:39 +0800
Subject: [PATCH] Fix: Python SDK retrieve document_name is empty (#12062)

### What problem does this PR solve?

https://github.com/infiniflow/ragflow/issues/12056

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 sdk/python/ragflow_sdk/modules/chunk.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sdk/python/ragflow_sdk/modules/chunk.py b/sdk/python/ragflow_sdk/modules/chunk.py
index b71314d8a..0f5bf596b 100644
--- a/sdk/python/ragflow_sdk/modules/chunk.py
+++ b/sdk/python/ragflow_sdk/modules/chunk.py
@@ -33,6 +33,7 @@ class Chunk(Base):
         self.create_timestamp = 0.0
         self.dataset_id = None
         self.document_name = ""
+        self.documnet_keyword = ""
         self.document_id = ""
         self.available = True
         # Additional fields for retrieval results
@@ -46,6 +47,11 @@ class Chunk(Base):
                 res_dict.pop(k)
         super().__init__(rag, res_dict)
 
+        #for backward compatibility
+        if not self.document_name:
+            self.document_name = self.documnet_keyword
+
+
     def update(self, update_message: dict):
         res = self.put(f"/datasets/{self.dataset_id}/documents/{self.document_id}/chunks/{self.id}", update_message)
         res = res.json()