diff --git a/api/services/dataset_service.py b/api/services/dataset_service.py
index 3b1f6cf549..bcaa3e1bc1 100644
--- a/api/services/dataset_service.py
+++ b/api/services/dataset_service.py
@@ -973,7 +973,7 @@ class SegmentService:
                 db.session.add(segment)
                 db.session.commit()
                 # update segment vector index
-                VectorService.create_segment_vector(args['keywords'], segment, dataset)
+                VectorService.update_segment_vector(args['keywords'], segment, dataset)
         except Exception as e:
             logging.exception("update segment index failed")
             segment.enabled = False