diff --git a/server/chat/knowledge_base_chat.py b/server/chat/knowledge_base_chat.py
index 62bd31a..6e8a982 100644
--- a/server/chat/knowledge_base_chat.py
+++ b/server/chat/knowledge_base_chat.py
@@ -58,6 +58,9 @@ async def knowledge_base_chat(query: str = Body(..., description="用户输入",
         context = "\n".join([doc.page_content for doc in docs])
 
         input_msg = History(role="user", content=PROMPT_TEMPLATE).to_msg_template(False)
+        # 用户最后一个问题会进入PROMPT_TEMPLATE，不用再作为history 了
+        if len(history) >= 1:
+            history.pop()
         chat_prompt = ChatPromptTemplate.from_messages(
             [i.to_msg_template() for i in history] + [input_msg])
 
diff --git a/server/model_workers/fangzhou.py b/server/model_workers/fangzhou.py
index 5207fdb..f2865b7 100644
--- a/server/model_workers/fangzhou.py
+++ b/server/model_workers/fangzhou.py
@@ -54,6 +54,7 @@ class FangZhouWorker(ApiModelWorker):
     火山方舟
     """
     SUPPORT_MODELS = ["chatglm-6b-model"]
+
     def __init__(
             self,
             *,
@@ -65,6 +66,7 @@ class FangZhouWorker(ApiModelWorker):
     ):
         kwargs.update(model_names=model_names, controller_addr=controller_addr, worker_addr=worker_addr)
         kwargs.setdefault("context_len", 16384) # TODO: 不同的模型有不同的大小
+
         super().__init__(**kwargs)
 
         config = self.get_config()