diff --git a/rag/svr/task_executor.py b/rag/svr/task_executor.py
index 99dfe6dfa7..c81555c76e 100644
--- a/rag/svr/task_executor.py
+++ b/rag/svr/task_executor.py
@@ -407,25 +407,26 @@ async def build_chunks(task, progress_callback):
             raise
         progress_callback(msg="Question generation {} chunks completed in {:.2f}s".format(len(docs), timer() - st))
 
-    if task["parser_config"].get("enable_metadata", False) and task["parser_config"].get("metadata"):
+    if task["parser_config"].get("enable_metadata", False) and (task["parser_config"].get("metadata") or task["parser_config"].get("built_in_metadata")):
         st = timer()
         progress_callback(msg="Start to generate meta-data for every chunk ...")
         chat_model_config = get_model_config_by_type_and_name(task["tenant_id"], LLMType.CHAT, task["llm_id"])
         chat_mdl = LLMBundle(task["tenant_id"], chat_model_config, lang=task["language"])
 
         async def gen_metadata_task(chat_mdl, d):
+            metadata_conf = list(task["parser_config"].get("metadata", [])) + list(task["parser_config"].get("built_in_metadata") or [])
             cached = get_llm_cache(chat_mdl.llm_name, d["content_with_weight"], "metadata",
-                                   task["parser_config"]["metadata"])
+                                   metadata_conf)
             if not cached:
                 if has_canceled(task["id"]):
                     progress_callback(-1, msg="Task has been canceled.")
                     return
                 async with chat_limiter:
                     cached = await gen_metadata(chat_mdl,
-                                                turn2jsonschema(task["parser_config"]["metadata"]),
+                                                turn2jsonschema(metadata_conf),
                                                 d["content_with_weight"])
                 set_llm_cache(chat_mdl.llm_name, d["content_with_weight"], cached, "metadata",
-                              task["parser_config"]["metadata"])
+                              metadata_conf)
             if cached:
                 d["metadata_obj"] = cached