diff --git a/pkg/openai/modelmgr.py b/pkg/openai/modelmgr.py
index 62540e6b..15e50cce 100644
--- a/pkg/openai/modelmgr.py
+++ b/pkg/openai/modelmgr.py
@@ -47,6 +47,7 @@ class Model():
         return self.ret
 
 class ChatCompletionModel(Model):
+    Chat_role = ['system', 'user', 'assistant']
     def __init__(self, model_name, user_name):
         request_fun = openai.ChatCompletion.create
         self.can_chat = True
@@ -57,6 +58,14 @@ class ChatCompletionModel(Model):
         self.ret = self.ret_handle(ret)
         self.message = self.ret["choices"][0]["message"]['content']
 
+    def msg_handle(self, msgs):
+        temp_msgs = []
+        for msg in msgs:
+            if msg['role'] not in self.Chat_role:
+                msg['role'] = 'user'
+            temp_msgs.append(msg)
+        return temp_msgs
+
     def get_content(self):
         return self.message
 
@@ -77,7 +86,6 @@ class CompletionModel(Model):
                 prompt = prompt + "{}\n".format(msg['content'])
             else:
                 prompt = prompt + "{}:{}\n".format(msg['role'] if msg['role']!='system' else '你的回答要遵守此规则', msg['content'])
-        print(prompt)
         return prompt
     
     def get_text(self):