diff --git a/Html/apps/extension_ase/ase_client/manager.py b/Html/apps/extension_ase/ase_client/manager.py
index 1af1639..954936e 100644
--- a/Html/apps/extension_ase/ase_client/manager.py
+++ b/Html/apps/extension_ase/ase_client/manager.py
@@ -49,7 +49,8 @@ class ChatManager:
         self.chapter_chain = None
         self.function_manager = FunctionManager()
         self.bb = None
-        self.chat_historys = None
+        self.chat_historys = []
+        self.scores = []
         self.vscode_ws = None
         self._vscode_queue = deque()
         self._lock = Semaphore(1)