diff --git a/pkg/openai/modelmgr.py b/pkg/openai/modelmgr.py
index 66b3c080..8c94dc35 100644
--- a/pkg/openai/modelmgr.py
+++ b/pkg/openai/modelmgr.py
@@ -42,8 +42,8 @@ class ModelRequest():
     def msg_handle(self, msg):
         return msg
     
-    def ret_handle(self, ret):
-        return ret
+    def ret_handle(self):
+        return
     
     def get_total_tokens(self):
         return self.ret['usage']['total_tokens']
@@ -64,8 +64,8 @@ class ChatCompletionModel(ModelRequest):
         super().__init__(model_name, user_name, request_fun)
 
     def request(self, messages, **kwargs):
-        ret = self.request_fun(messages = self.msg_handle(messages), **kwargs, user=self.user_name)
-        self.ret = self.ret_handle(ret)
+        self.ret = self.request_fun(messages = self.msg_handle(messages), **kwargs, user=self.user_name)
+        self.ret_handle()
         self.message = self.ret["choices"][0]["message"]['content']
 
     def msg_handle(self, msgs):
@@ -87,8 +87,8 @@ class CompletionModel(ModelRequest):
         super().__init__(model_name, user_name, request_fun)
 
     def request(self, prompt, **kwargs):
-        ret = self.request_fun(prompt = self.msg_handle(prompt), **kwargs)
-        self.ret = self.ret_handle(ret)
+        self.ret = self.request_fun(prompt = self.msg_handle(prompt), **kwargs)
+        self.ret_handle()
         self.message = self.ret["choices"][0]["text"]
 
     def msg_handle(self, msgs):
@@ -100,6 +100,15 @@ class CompletionModel(ModelRequest):
                 prompt = prompt + "{}:{}\n".format(msg['role'] , msg['content'])
         return prompt
     
+    def ret_handle(self):
+        temp_text:str = self.ret["choices"][0]["text"]
+        texts = temp_text.split(':')
+        if len(texts) >= 1:
+            temp_text = ""
+            for text in texts[1:]:
+                temp_text = temp_text + text
+        self.ret["choices"][0]["text"] = temp_text
+
     def get_text(self):
         return self.message