修复：

- history_len=0 时会带入1条不完整的历史消息，导致LLM错误
- 当对话轮数 达到history_len时，传入的历史消息为空

setup.py

@@ -9,7 +9,7 @@ def readme():
 
 setuptools.setup(
     name='streamlit-chatbox',
-    version='1.1.9',
+    version='1.1.10',
     author='liunux',
     author_email='[email protected]',
     description='A chat box and some helpful tools used to build chatbot app with streamlit',

streamlit_chatbox/messages.py

@@ -115,9 +115,9 @@ def default_filter(msg, index=None):
                 "content": "\n\n".join(content),
             }
 
-        def default_stop(history):
+        def default_stop(r):
             if isinstance(history_len, int):
-                user_count = len([x for x in history if x["role"] == "user"])
+                user_count = len([x for x in r if x["role"] == "user"])
                 return user_count >= history_len
             else:
                 return False
@@ -131,17 +131,17 @@ def default_stop(history):
         result = []
         args_len = len(inspect.signature(filter).parameters)
         history = self.other_history(chat_name)
+
         for i, msg in enumerate(history[-1::-1]):
+            if stop(result):
+                break
             if args_len == 1:
                 filtered = filter(msg)
             else:
                 filtered = filter(msg, i)
             if filtered is not None:
                 result.insert(0, filtered)
 
-            if stop(history):
-                break
-
         return result
 
     def export2md(