diff --git a/ModelMerge b/ModelMerge
index 9bb6ce33..46815c80 160000
--- a/ModelMerge
+++ b/ModelMerge
@@ -1 +1 @@
-Subproject commit 9bb6ce33c8052e0868a0f1a33c7b7f0187d33349
+Subproject commit 46815c806b66852fa30fb016d882c1340a3946e9
diff --git a/README.md b/README.md
index 1704c49d..6fb5016b 100644
--- a/README.md
+++ b/README.md
@@ -16,11 +16,11 @@
   </a>
 </p>
 
-The ChatGPT Telegram Bot is a powerful Telegram bot that utilizes the latest GPT models, including GPT-3.5/4/4 Turbo/4o, DALL·E 3, Groq Mixtral-8x7b/LLaMA2-70b, Gemini 1.5 Pro/Flash and the official Claude2.1/3/3.5 API. It enables users to engage in efficient conversations and information searches on Telegram.
+The ChatGPT Telegram Bot is a powerful Telegram bot that utilizes the latest GPT models, including GPT-3.5/4/4 Turbo/4o, DALL·E 3, Groq Mixtral-8x7b/LLaMA2-70b, Gemini 1.5 Pro/Flash, the official Claude2.1/3/3.5 API and DuckDuckGo(gpt-4o-mini, claude-3-haiku, Meta-Llama-3.1-70B, Mixtral-8x7B). It enables users to engage in efficient conversations and information searches on Telegram.
 
 ## ✨ Features
 
-- **Multiple AI Models**: Supports GPT-3.5/4/4 Turbo/4o, DALL·E 3, Groq Mixtral-8x7b/LLaMA2-70b, Gemini 1.5 Pro/Flash and the official Claude2.1/3/3.5 API. Also supports one-api/new-api. Utilizes a self-developed API request backend [SDK](https://github.com/yym68686/ModelMerge), independent of the OpenAI SDK.
+- **Multiple AI Models**: Supports GPT-3.5/4/4 Turbo/4o, DALL·E 3, Groq Mixtral-8x7b/LLaMA2-70b, Gemini 1.5 Pro/Flash, the official Claude2.1/3/3.5 API and DuckDuckGo(gpt-4o-mini, claude-3-haiku, Meta-Llama-3.1-70B, Mixtral-8x7B). Also supports one-api/new-api. Utilizes a self-developed API request backend [SDK](https://github.com/yym68686/ModelMerge), independent of the OpenAI SDK.
 - **Multi-modal Q&A**: Supports Q&A for voice, audio, images and PDF/TXT/MD/python documents. Users can upload files directly in the chat box for use.
 - **Group Chat Topic Mode**: Supports enabling topic mode in group chats, isolating APIs, dialogue history, plugin configurations, and preferences between topics.
 - **Rich Plugin System**: Supports web search(DuckDuckGo and Google), URL summarization, arXiv paper summarization, and code interpreter.
diff --git a/bot.py b/bot.py
index 74e5b268..7bcc1208 100644
--- a/bot.py
+++ b/bot.py
@@ -135,7 +135,8 @@ async def command_bot(update, context, language=None, prompt=translator_prompt,
                     time_stamps[convo_id][i] - time_stamps[convo_id][i - 1]
                     for i in range(1, len(time_stamps[convo_id]))
                 ]
-                print(f"Chat ID {convo_id} 时间间隔: {intervals}，总时间：{sum(intervals)}")
+                if intervals:
+                    print(f"Chat ID {convo_id} 时间间隔: {intervals}，总时间：{sum(intervals)}")
 
                 message = "\n".join(message_cache[convo_id])
                 message_cache[convo_id] = []
diff --git a/config.py b/config.py
index 2a29374f..13314b14 100644
--- a/config.py
+++ b/config.py
@@ -6,7 +6,7 @@
 from utils.i18n import strings
 from datetime import datetime
 from ModelMerge.src.ModelMerge.utils import prompt
-from ModelMerge.src.ModelMerge.models import chatgpt, claude, groq, claude3, gemini, PLUGINS, whisper
+from ModelMerge.src.ModelMerge.models import chatgpt, claude, groq, claude3, gemini, PLUGINS, whisper, DuckChat
 from ModelMerge.src.ModelMerge.models.base import BaseAPI
 
 from telegram import InlineKeyboardButton
@@ -157,9 +157,9 @@ def get_ENGINE(user_id = None):
 temperature = float(os.environ.get('temperature', '0.5'))
 CLAUDE_API = os.environ.get('claude_api_key', None)
 
-ChatGPTbot, SummaryBot, claudeBot, claude3Bot, groqBot, gemini_Bot, whisperBot = None, None, None, None, None, None, None
+ChatGPTbot, SummaryBot, claudeBot, claude3Bot, groqBot, gemini_Bot, whisperBot, duckBot = None, None, None, None, None, None, None, None
 def update_ENGINE(data = None, chat_id=None):
-    global Users, ChatGPTbot, SummaryBot, claudeBot, claude3Bot, groqBot, gemini_Bot, whisperBot
+    global Users, ChatGPTbot, SummaryBot, claudeBot, claude3Bot, groqBot, gemini_Bot, whisperBot, duckBot
     if data:
         Users.set_config(chat_id, "engine", data)
     engine = Users.get_config(chat_id, "engine")
@@ -183,8 +183,10 @@ def update_ENGINE(data = None, chat_id=None):
     if GOOGLE_AI_API_KEY and "gemini" in engine:
         gemini_Bot = gemini(api_key=f"{GOOGLE_AI_API_KEY}", engine=engine, system_prompt=systemprompt, temperature=temperature, convo_id=chat_id)
 
+    duckBot = DuckChat(model=engine)
+
 def update_language_status(language, chat_id=None):
-    global Users, ChatGPTbot, SummaryBot, claudeBot, claude3Bot, groqBot, gemini_Bot, whisperBot
+    global Users, ChatGPTbot, SummaryBot, claudeBot, claude3Bot, groqBot, gemini_Bot, whisperBot, duckBot
     systemprompt = Users.get_config(chat_id, "systemprompt")
     claude_systemprompt = Users.get_config(chat_id, "claude_systemprompt")
     LAST_LANGUAGE = Users.get_config(chat_id, "language")
@@ -198,7 +200,7 @@ def update_language_status(language, chat_id=None):
         claude_systemprompt = claude_systemprompt.replace(LAST_LANGUAGE, Users.get_config(chat_id, "language"))
         Users.set_config(chat_id, "systemprompt", systemprompt)
         Users.set_config(chat_id, "claude_systemprompt", claude_systemprompt)
-        if ChatGPTbot == None:
+        if duckBot == None:
             update_ENGINE(chat_id=chat_id)
         if ChatGPTbot:
             ChatGPTbot.system_prompt[chat_id] = systemprompt
@@ -213,6 +215,9 @@ def update_language_status(language, chat_id=None):
         pass
 
 update_language_status(LANGUAGE)
+if ChatGPTbot == None and duckBot:
+    Users.engine = "gpt-4o-mini"
+
 
 def get_local_version_info():
     current_directory = os.path.dirname(os.path.abspath(__file__))
@@ -255,7 +260,7 @@ def update_info_message(user_id = None):
     ])
 
 def reset_ENGINE(chat_id, message=None):
-    global ChatGPTbot, claudeBot, claude3Bot, groqBot, gemini_Bot
+    global ChatGPTbot, claudeBot, claude3Bot, groqBot, gemini_Bot, duckBot
     api_key = Users.get_config(chat_id, "api_key")
     api_url = Users.get_config(chat_id, "api_url")
     engine = Users.get_config(chat_id, "engine")
@@ -279,9 +284,11 @@ def reset_ENGINE(chat_id, message=None):
         groqBot.reset(convo_id=str(chat_id), system_prompt=systemprompt)
     if GOOGLE_AI_API_KEY and gemini_Bot:
         gemini_Bot.reset(convo_id=str(chat_id), system_prompt=systemprompt)
+    if duckBot:
+        duckBot.reset(convo_id=str(chat_id))
 
 def get_robot(chat_id = None):
-    global ChatGPTbot, claudeBot, claude3Bot, groqBot, gemini_Bot
+    global ChatGPTbot, claudeBot, claude3Bot, groqBot, gemini_Bot, duckBot
     engine = Users.get_config(chat_id, "engine")
     if CLAUDE_API and "claude-2.1" in engine:
         robot = claudeBot
@@ -303,12 +310,17 @@ def get_robot(chat_id = None):
         role = "user"
         api_key = GOOGLE_AI_API_KEY
         api_url = "https://generativelanguage.googleapis.com/v1beta/models/{model}:{stream}?key={api_key}"
-    else:
+    elif ChatGPTbot:
         robot = ChatGPTbot
         role = "user"
         api_key = Users.get_config(chat_id, "api_key")
         api_url = Users.get_config(chat_id, "api_url")
         api_url = BaseAPI(api_url=api_url).chat_url
+    else:
+        robot = duckBot
+        role = "user"
+        api_key = "duckduckgo"
+        api_url = None
 
     return robot, role, api_key, api_url
 
@@ -407,6 +419,13 @@ def create_buttons(strings, plugins_status=False, lang="English", button_text=No
         "gemini-1.5-flash",
     ])
 
+if duckBot:
+    initial_model.extend([
+        "claude-3-haiku",
+        "Meta-Llama-3.1-70B",
+        "Mixtral-8x7B",
+    ])
+
 if GET_MODELS:
     try:
         endpoint = BaseAPI(api_url=API_URL)
diff --git a/requirements.txt b/requirements.txt
index 786c1385..de368dec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,9 +4,11 @@ python-telegram-bot[webhooks,rate-limiter]==21.0.1
 
 lxml
 pytz
+msgspec
 PyExecJS
 requests
 pdfminer.six
+fake-useragent
 beautifulsoup4
 tiktoken==0.6.0
 duckduckgo-search==5.3.1
diff --git a/utils/decorators.py b/utils/decorators.py
index 20cbaeea..2ebd6591 100644
--- a/utils/decorators.py
+++ b/utils/decorators.py
@@ -82,7 +82,7 @@ async def wrapper(*args, **kwargs):
                 parse_mode='MarkdownV2',
             )
             return
-        if (api_key and api_key.endswith("your_api_key")) or api_url.endswith("your_api_url"):
+        if (api_key and api_key.endswith("your_api_key")) or (api_url and api_url.endswith("your_api_url")):
             await context.bot.send_message(chat_id=chatid, message_thread_id=message_thread_id, text=escape(strings['message_api_error'][get_current_lang()]), parse_mode='MarkdownV2')
             return
         return await func(*args, **kwargs)