diff --git a/rag/svr/task_executor_refactor/task_handler.py b/rag/svr/task_executor_refactor/task_handler.py
index 42d33ed156..0b46e16d18 100644
--- a/rag/svr/task_executor_refactor/task_handler.py
+++ b/rag/svr/task_executor_refactor/task_handler.py
@@ -767,6 +767,7 @@ class TaskHandler:
             "compile_kwd",
         ]
         order_by = OrderByExpr()
+        order_by.asc("chunk_order_int")
         order_by.asc("page_num_int")
         order_by.asc("top_int")