diff --git a/chatglm_llm.py b/chatglm_llm.py
index 84f130a..4b974b5 100644
--- a/chatglm_llm.py
+++ b/chatglm_llm.py
@@ -22,6 +22,8 @@ class ChatGLM(LLM):
     temperature: float = 0.1
     top_p = 0.9
     history = []
+    tokenizer: object = None
+    model: object = None
 
     def __init__(self):
         super().__init__()