diff --git a/bot/chatgpt/chat_gpt_bot.py b/bot/chatgpt/chat_gpt_bot.py
index b46751a..c5bef2a 100644
--- a/bot/chatgpt/chat_gpt_bot.py
+++ b/bot/chatgpt/chat_gpt_bot.py
@@ -66,7 +66,7 @@ class ChatGPTBot(Bot, OpenAIImage):
             logger.debug("[CHATGPT] session query={}".format(session.messages))
 
             api_key = context.get("openai_api_key")
-
+            self.args['model'] = context.get('gpt_model') or "gpt-3.5-turbo"
             # if context.get('stream'):
             #     # reply in stream
             #     return self.reply_text_stream(query, new_query, session_id)
diff --git a/channel/chat_channel.py b/channel/chat_channel.py
index a9b90f2..795787b 100644
--- a/channel/chat_channel.py
+++ b/channel/chat_channel.py
@@ -50,6 +50,7 @@ class ChatChannel(Channel):
             cmsg = context["msg"]
             user_data = conf().get_user_data(cmsg.from_user_id)
             context["openai_api_key"] = user_data.get("openai_api_key")
+            context["gpt_model"] = user_data.get("gpt_model")
             if context.get("isgroup", False):
                 group_name = cmsg.other_user_nickname
                 group_id = cmsg.other_user_id
diff --git a/plugins/godcmd/godcmd.py b/plugins/godcmd/godcmd.py
index ecfb0c0..eee579a 100644
--- a/plugins/godcmd/godcmd.py
+++ b/plugins/godcmd/godcmd.py
@@ -41,6 +41,18 @@ COMMANDS = {
         "alias": ["reset_openai_api_key"],
         "desc": "重置为默认的api_key",
     },
+    "set_gpt_model": {
+        "alias": ["set_gpt_model"],
+        "desc": "设置你的私有模型",
+    },
+    "reset_gpt_model": {
+        "alias": ["reset_gpt_model"],
+        "desc": "重置你的私有模型",
+    },
+    "gpt_model": {
+        "alias": ["gpt_model"],
+        "desc": "查询你使用的模型",
+    },
     "id": {
         "alias": ["id", "用户"],
         "desc": "获取用户id",  # wechaty和wechatmp的用户id不会变化，可用于绑定管理员
@@ -264,6 +276,26 @@ class Godcmd(Plugin):
                         ok, result = True, "你的OpenAI私有api_key已清除"
                     except Exception as e:
                         ok, result = False, "你没有设置私有api_key"
+                elif cmd == "set_gpt_model":
+                    if len(args) == 1:
+                        user_data = conf().get_user_data(user)
+                        user_data["gpt_model"] = args[0]
+                        ok, result = True, "你的GPT模型已设置为" + args[0]
+                    else:
+                        ok, result = False, "请提供一个GPT模型"
+                elif cmd == "gpt_model":
+                    user_data = conf().get_user_data(user)
+                    model = conf().get('model')
+                    if 'gpt_model' in user_data:
+                        model = user_data['gpt_model']
+                    ok, result = True, "你的GPT模型为" + str(model)
+                elif cmd == "reset_gpt_model":
+                    try:
+                        user_data = conf().get_user_data(user)
+                        user_data.pop("gpt_model")
+                        ok, result = True, "你的GPT模型已重置"
+                    except Exception as e:
+                        ok, result = False, "你没有设置私有GPT模型"
                 elif cmd == "reset":
                     if bottype in [const.OPEN_AI, const.CHATGPT, const.CHATGPTONAZURE]:
                         bot.sessions.clear_session(session_id)