diff --git a/backend/apps/chat/task/llm.py b/backend/apps/chat/task/llm.py
index c5ed34c9..749469ee 100644
--- a/backend/apps/chat/task/llm.py
+++ b/backend/apps/chat/task/llm.py
@@ -802,7 +802,7 @@ class LLMService:
             SQLBotLogUtil.info(full_sql_text)
 
             # todo row permission
-            if is_normal_user(self.current_user):
+            if is_normal_user(self.current_user) and not self.current_assistant:
                 sql_json_str = extract_nested_json(full_sql_text)
                 data = orjson.loads(sql_json_str)
 
diff --git a/backend/apps/system/crud/assistant.py b/backend/apps/system/crud/assistant.py
index d56acb97..c916262b 100644
--- a/backend/apps/system/crud/assistant.py
+++ b/backend/apps/system/crud/assistant.py
@@ -192,6 +192,7 @@ def get_ds_engine(ds: AssistantOutDsSchema) -> Engine:
         extraJdbc=ds.extraParams,
         dbSchema=ds.db_schema or ''
     )
+    conf.extraJdbc = ''
     from apps.db.db import get_uri_from_config
     uri = get_uri_from_config(ds.type, conf)
     if ds.type == "pg" and ds.db_schema: