diff --git a/apps/application/flow/step_node/document_split_node/impl/base_document_split_node.py b/apps/application/flow/step_node/document_split_node/impl/base_document_split_node.py
index 97244bb61..508a1986e 100644
--- a/apps/application/flow/step_node/document_split_node/impl/base_document_split_node.py
+++ b/apps/application/flow/step_node/document_split_node/impl/base_document_split_node.py
@@ -112,7 +112,8 @@ class BaseDocumentSplitNode(IDocumentSplitNode):
             'source_file_id': source_file_id,
             'source_url': file_name,
         }
-        item['name'] = item.get('name', file_name)
+        if item.get('name', 'file.txt') == 'file.txt':
+            item['name'] = file_name
         item['source_file_id'] = source_file_id
         item['paragraphs'] = item.pop('content', item.get('paragraphs', []))