diff --git a/bot.py b/bot.py
index 96b356c7..42b955cd 100644
--- a/bot.py
+++ b/bot.py
@@ -2,6 +2,7 @@
 import os
 import config
 import logging
+import traceback
 import decorators
 from md2tgmd import escape
 from runasync import run_async
@@ -99,7 +100,7 @@ async def getChatGPT(update, context, title, robot, message, use_search=config.S
     )
     messageid = message.message_id
     try:
-        if not config.API:
+        if not config.API or config.USE_G4F:
             result = f"`🤖️ {config.GPT_ENGINE}`\n\n"
             import gpt4free
             if "gpt-3.5" in config.GPT_ENGINE:
@@ -155,6 +156,7 @@ async def getChatGPT(update, context, title, robot, message, use_search=config.S
         print('\033[31m')
         print("response_msg", result)
         print("error", e)
+        traceback.print_exc()
         print('\033[0m')
         if config.API:
             robot.reset(convo_id=str(update.message.chat_id), system_prompt=config.systemprompt)
@@ -225,6 +227,9 @@ async def delete_message(update, context, messageid, delay=10):
         InlineKeyboardButton("搜索已打开", callback_data="搜索"),
         InlineKeyboardButton("联网解析PDF已打开", callback_data="pdf"),
     ],
+    [
+        InlineKeyboardButton("gpt4free已关闭", callback_data="gpt4free"),
+    ],
 ]
 if os.environ.get('GOOGLE_API_KEY', None) == None and os.environ.get('GOOGLE_CSE_ID', None) == None:
     first_buttons[1][1] = InlineKeyboardButton("google已关闭", callback_data="google")
@@ -245,7 +250,7 @@ async def button_press(update, context):
     callback_query = update.callback_query
     await callback_query.answer()
     data = callback_query.data
-    if ("gpt" or "cluade") in data:
+    if ("gpt-" or "cluade") in data:
         if config.ENGINE_FLAG:
             config.GPT_ENGINE = data
         else:
@@ -377,6 +382,28 @@ async def button_press(update, context):
             reply_markup=InlineKeyboardMarkup(first_buttons),
             parse_mode='MarkdownV2'
         )
+    elif "gpt4free" in data:
+        config.USE_G4F = not config.USE_G4F
+        print(config.USE_G4F)
+        if config.USE_G4F == False:
+            first_buttons[3][0] = InlineKeyboardButton("gpt4free已关闭", callback_data="gpt4free")
+        else:
+            first_buttons[3][0] = InlineKeyboardButton("gpt4free已打开", callback_data="gpt4free")
+
+        info_message = (
+            f"`Hi, {update.effective_user.username}!`\n\n"
+            f"**Default engine:** `{config.GPT_ENGINE}`\n"
+            f"**Default search model:** `{config.DEFAULT_SEARCH_MODEL}`\n"
+            f"**temperature:** `{config.temperature}`\n"
+            f"**API_URL:** `{config.API_URL}`\n\n"
+            f"**API:** `{config.API}`\n\n"
+            f"**WEB_HOOK:** `{config.WEB_HOOK}`\n\n"
+        )
+        message = await callback_query.edit_message_text(
+            text=escape(info_message),
+            reply_markup=InlineKeyboardMarkup(first_buttons),
+            parse_mode='MarkdownV2'
+        )
 
 @decorators.Authorization
 async def info(update, context):
diff --git a/config.py b/config.py
index 72ac06d6..dcff5a5c 100644
--- a/config.py
+++ b/config.py
@@ -30,4 +30,6 @@
 
 whitelist = os.environ.get('whitelist', None)
 if whitelist:
-    whitelist = [int(id) for id in whitelist.split(",")]
\ No newline at end of file
+    whitelist = [int(id) for id in whitelist.split(",")]
+
+USE_G4F = False
\ No newline at end of file
diff --git a/gpt4free.py b/gpt4free.py
index 65a04180..26d6c733 100644
--- a/gpt4free.py
+++ b/gpt4free.py
@@ -15,14 +15,37 @@ def get_response(message, model="gpt-3.5-turbo"):
     for message in response:
         yield message
 
+
+# def get_response(message, callback, model="gpt-3.5-turbo"):
+#     response = g4f.ChatCompletion.create(
+#         model=model,
+#         messages=[{"role": "user", "content": message}],
+#         stream=True,
+#     )
+#     for message in response:
+#         callback(message)
+
+# def handle_response(response):
+#     yield response
+
 if __name__ == "__main__":
     import asyncio
     message = r"""
-    鲁迅和周树人为什么打架
+在多线程编程场景下，为了避免There is no current event loop in thread错误，怎么使用回调函数返回这个函数的结果：
+def get_response(message, model="gpt-3.5-turbo"):
+    response = g4f.ChatCompletion.create(
+        model=model,
+        messages=[{"role": "user", "content": message}],
+        stream=True,
+    )
+    for message in response:
+        yield message
     """
 
     # result = asyncio.run(get_response(message, "gpt-4"))
     # print(result)
 
+    # for result in get_response(message, handle_response):
+    #     print(result, flush=True, end='')
     for result in get_response(message, "gpt-4"):
         print(result, flush=True, end='')
\ No newline at end of file