From 8a6ce2885586815ba4596ceb8dbf3bb294e94b7a Mon Sep 17 00:00:00 2001
From: Blackoutta <37723456+Blackoutta@users.noreply.github.com>
Date: Mon, 29 Jun 2026 17:18:29 +0800
Subject: [PATCH] fix: multimodal segment attachment indexing (#38080)

---
 api/services/vector_service.py                       | 2 +-
 api/tests/unit_tests/services/test_vector_service.py | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/api/services/vector_service.py b/api/services/vector_service.py
index 49c3b858311..5b5088ec5a1 100644
--- a/api/services/vector_service.py
+++ b/api/services/vector_service.py
@@ -333,7 +333,7 @@ class VectorService:
 
             # Add documents to vector store if any
             if documents and dataset.is_multimodal:
-                vector.add_texts(documents, duplicate_check=True)
+                vector.create_multimodal(documents)
 
             # Single commit for all operations
             db.session.commit()
diff --git a/api/tests/unit_tests/services/test_vector_service.py b/api/tests/unit_tests/services/test_vector_service.py
index a5873870103..e7ebada6bea 100644
--- a/api/tests/unit_tests/services/test_vector_service.py
+++ b/api/tests/unit_tests/services/test_vector_service.py
@@ -639,8 +639,8 @@ def test_update_multimodel_vector_adds_bindings_and_vectors_and_skips_missing_up
     assert len(bindings) == 1
     assert bindings[0]["attachment_id"] == "file-1"
 
-    vector_instance.add_texts.assert_called_once()
-    documents = vector_instance.add_texts.call_args.args[0]
+    vector_instance.create_multimodal.assert_called_once()
+    documents = vector_instance.create_multimodal.call_args.args[0]
     assert len(documents) == 1
     assert documents[0].page_content == "img.png"
     assert documents[0].metadata["doc_id"] == "file-1"