diff --git a/api/apps/restful_apis/document_api.py b/api/apps/restful_apis/document_api.py
index 7547d2f20b..57215080d3 100644
--- a/api/apps/restful_apis/document_api.py
+++ b/api/apps/restful_apis/document_api.py
@@ -995,7 +995,7 @@ def _parse_doc_id_filter_with_metadata(req, kb_id):
             if not doc_ids_filter:
                 return RetCode.SUCCESS, "", [], return_empty_metadata
 
-    return RetCode.SUCCESS, "", list(doc_ids_filter) if doc_ids_filter is not None else [], return_empty_metadata
+    return RetCode.SUCCESS, "", list(doc_ids_filter) if doc_ids_filter is not None else None, return_empty_metadata
 
 
 @manager.route("/datasets/<dataset_id>/documents", methods=["DELETE"])  # noqa: F821
diff --git a/api/db/services/document_service.py b/api/db/services/document_service.py
index 3d9bc09dbb..7b0bce6e62 100644
--- a/api/db/services/document_service.py
+++ b/api/db/services/document_service.py
@@ -88,7 +88,7 @@ class DocumentService(CommonService):
             docs = docs.where(cls.model.name == name)
         if keywords:
             docs = docs.where(fn.LOWER(cls.model.name).contains(keywords.lower()))
-        if doc_ids:
+        if doc_ids is not None:
             docs = docs.where(cls.model.id.in_(doc_ids))
         if suffix:
             docs = docs.where(cls.model.suffix.in_(suffix))
@@ -143,7 +143,7 @@ class DocumentService(CommonService):
                 .join(User, on=(cls.model.created_by == User.id), join_type=JOIN.LEFT_OUTER)
                 .where(cls.model.kb_id == kb_id)
             )
-        if doc_ids:
+        if doc_ids is not None:
             docs = docs.where(cls.model.id.in_(doc_ids))
         if run_status:
             docs = docs.where(cls.model.run.in_(run_status))