diff --git a/api/apps/sdk/doc.py b/api/apps/sdk/doc.py
index 2a7d98c44..bd8c60c74 100644
--- a/api/apps/sdk/doc.py
+++ b/api/apps/sdk/doc.py
@@ -363,6 +363,10 @@ def download(tenant_id, dataset_id, document_id):
         schema:
           type: object
     """
+    if not document_id:
+        return get_error_data_result(
+            message="Specify document_id please."
+        )
     if not KnowledgebaseService.query(id=dataset_id, tenant_id=tenant_id):
         return get_error_data_result(message=f"You do not own the dataset {dataset_id}.")
     doc = DocumentService.query(kb_id=dataset_id, id=document_id)
diff --git a/api/db/init_data.py b/api/db/init_data.py
index 523805e70..fe993033a 100644
--- a/api/db/init_data.py
+++ b/api/db/init_data.py
@@ -105,9 +105,10 @@ def init_llm_factory():
 
     factory_llm_infos = settings.FACTORY_LLM_INFOS    
     for factory_llm_info in factory_llm_infos:
-        llm_infos = factory_llm_info.pop("llm")
+        info = deepcopy(factory_llm_info)
+        llm_infos = info.pop("llm")
         try:
-            LLMFactoriesService.save(**factory_llm_info)
+            LLMFactoriesService.save(**info)
         except Exception:
             pass
         LLMService.filter_delete([LLM.fid == factory_llm_info["name"]])