diff --git a/ruoyi-fastapi-backend/module_admin/controller/ragflow_controller.py b/ruoyi-fastapi-backend/module_admin/controller/ragflow_controller.py
index 96afdea..61b5f7b 100644
--- a/ruoyi-fastapi-backend/module_admin/controller/ragflow_controller.py
+++ b/ruoyi-fastapi-backend/module_admin/controller/ragflow_controller.py
@@ -153,7 +153,7 @@ async def converse_with_chat_assistant(
     if redis:
         lookup_hash = get_question_hash(converse_params.question)
         logger.info(f'[SemanticCache] 开始查找 | chat_id={converse_params.chat_id} | question={converse_params.question} | hash={lookup_hash} | threshold=0.60')
-        cache_result = await lookup_question(
+        cache_result = await get_semantic_cache_service().lookup(
             converse_params.chat_id, 
             converse_params.question, 
             redis