fix: does not save segment vector when there is no attachment_ids (#29520)

Co-authored-by: sai <>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/services/dataset_service.py

@@ -2817,20 +2817,20 @@ class SegmentService:
                     db.session.add(binding)
                 db.session.commit()
 
-                # save vector index
-                try:
-                    VectorService.create_segments_vector(
-                        [args["keywords"]], [segment_document], dataset, document.doc_form
-                    )
-                except Exception as e:
-                    logger.exception("create segment index failed")
-                    segment_document.enabled = False
-                    segment_document.disabled_at = naive_utc_now()
-                    segment_document.status = "error"
-                    segment_document.error = str(e)
-                    db.session.commit()
-                segment = db.session.query(DocumentSegment).where(DocumentSegment.id == segment_document.id).first()
-                return segment
+            # save vector index
+            try:
+                keywords = args.get("keywords")
+                keywords_list = [keywords] if keywords is not None else None
+                VectorService.create_segments_vector(keywords_list, [segment_document], dataset, document.doc_form)
+            except Exception as e:
+                logger.exception("create segment index failed")
+                segment_document.enabled = False
+                segment_document.disabled_at = naive_utc_now()
+                segment_document.status = "error"
+                segment_document.error = str(e)
+                db.session.commit()
+            segment = db.session.query(DocumentSegment).where(DocumentSegment.id == segment_document.id).first()
+            return segment
         except LockNotOwnedError:
             pass