diff --git a/server/chat/file_chat.py b/server/chat/file_chat.py
index ef4a5228..f608be0d 100644
--- a/server/chat/file_chat.py
+++ b/server/chat/file_chat.py
@@ -132,7 +132,7 @@ async def file_chat(query: str = Body(..., description="用户输入", examples=
 
         context = "\n".join([doc.page_content for doc in docs])
         if len(docs) == 0: ## 如果没有找到相关文档，使用Empty模板
-            prompt_template = get_prompt_template("knowledge_base_chat", "Empty")
+            prompt_template = get_prompt_template("knowledge_base_chat", "empty")
         else:
             prompt_template = get_prompt_template("knowledge_base_chat", prompt_name)
         input_msg = History(role="user", content=prompt_template).to_msg_template(False)