diff --git a/app.py b/app.py
index 3e561ae..81dae85 100644
--- a/app.py
+++ b/app.py
@@ -13,7 +13,8 @@ def sigterm_handler_wrap(_signo):
     def func(_signo, _stack_frame):
         logger.info("signal {} received, exiting...".format(_signo))
         conf().save_user_datas()
-        return old_handler(_signo, _stack_frame)
+        if callable(old_handler): #  check old_handler
+            return old_handler(_signo, _stack_frame)
     signal.signal(_signo, func)
 
 def run():
diff --git a/bot/chatgpt/chat_gpt_bot.py b/bot/chatgpt/chat_gpt_bot.py
index 158392d..b392659 100644
--- a/bot/chatgpt/chat_gpt_bot.py
+++ b/bot/chatgpt/chat_gpt_bot.py
@@ -3,13 +3,12 @@
 from bot.bot import Bot
 from bot.chatgpt.chat_gpt_session import ChatGPTSession
 from bot.openai.open_ai_image import OpenAIImage
-from bot.session_manager import Session, SessionManager
+from bot.session_manager import SessionManager
 from bridge.context import ContextType
 from bridge.reply import Reply, ReplyType
 from config import conf, load_config
 from common.log import logger
 from common.token_bucket import TokenBucket
-from common.expired_dict import ExpiredDict
 import openai
 import openai.error
 import time
@@ -91,8 +90,8 @@ class ChatGPTBot(Bot,OpenAIImage):
             "top_p":1,
             "frequency_penalty":conf().get('frequency_penalty', 0.0),  # [-2,2]之间，该值越大则更倾向于产生不同的内容
             "presence_penalty":conf().get('presence_penalty', 0.0),  # [-2,2]之间，该值越大则更倾向于产生不同的内容
-            "request_timeout": conf().get('request_timeout', 60),  # 请求超时时间，openai接口默认设置为600，对于难问题一般需要较长时间
-            "timeout": conf().get('request_timeout', 120), #重试超时时间，在这个时间内，将会自动重试
+            "request_timeout": conf().get('request_timeout', None),  # 请求超时时间，openai接口默认设置为600，对于难问题一般需要较长时间
+            "timeout": conf().get('request_timeout', None), #重试超时时间，在这个时间内，将会自动重试
         }
 
     def reply_text(self, session:ChatGPTSession, session_id, api_key, retry_count=0) -> dict:
@@ -151,6 +150,7 @@ class AzureChatGPTBot(ChatGPTBot):
 
     def compose_args(self):
         args = super().compose_args()
-        args["engine"] = args["model"]
-        del(args["model"])
-        return args
\ No newline at end of file
+        args["deployment_id"] = conf().get("azure_deployment_id")
+        #args["engine"] = args["model"]
+        #del(args["model"])
+        return args
diff --git a/bot/chatgpt/chat_gpt_session.py b/bot/chatgpt/chat_gpt_session.py
index afbe6a5..90fe064 100644
--- a/bot/chatgpt/chat_gpt_session.py
+++ b/bot/chatgpt/chat_gpt_session.py
@@ -55,7 +55,7 @@ def num_tokens_from_messages(messages, model):
     except KeyError:
         logger.debug("Warning: model not found. Using cl100k_base encoding.")
         encoding = tiktoken.get_encoding("cl100k_base")
-    if model == "gpt-3.5-turbo":
+    if model == "gpt-3.5-turbo" or model == "gpt-35-turbo":
         return num_tokens_from_messages(messages, model="gpt-3.5-turbo-0301")
     elif model == "gpt-4":
         return num_tokens_from_messages(messages, model="gpt-4-0314")
@@ -76,4 +76,4 @@ def num_tokens_from_messages(messages, model):
             if key == "name":
                 num_tokens += tokens_per_name
     num_tokens += 3  # every reply is primed with <|start|>assistant<|message|>
-    return num_tokens
\ No newline at end of file
+    return num_tokens
diff --git a/bridge/bridge.py b/bridge/bridge.py
index 5c8448e..a19fc83 100644
--- a/bridge/bridge.py
+++ b/bridge/bridge.py
@@ -19,7 +19,7 @@ class Bridge(object):
         model_type = conf().get("model")
         if model_type in ["text-davinci-003"]:
             self.btype['chat'] = const.OPEN_AI
-        if conf().get("use_azure_chatgpt"):
+        if conf().get("use_azure_chatgpt", False):
             self.btype['chat'] = const.CHATGPTONAZURE
         self.bots={}
 
diff --git a/channel/chat_channel.py b/channel/chat_channel.py
index 5000ae3..eb64cfc 100644
--- a/channel/chat_channel.py
+++ b/channel/chat_channel.py
@@ -233,6 +233,9 @@ class ChatChannel(Channel):
                 time.sleep(3+3*retry_cnt)
                 self._send(reply, context, retry_cnt+1)
 
+    def _success_callback(self, session_id, **kwargs):# 线程正常结束时的回调函数
+        logger.debug("Worker return success, session_id = {}".format(session_id))
+
     def _fail_callback(self, session_id, exception, **kwargs): # 线程异常结束时的回调函数
         logger.exception("Worker return exception: {}".format(exception))
 
@@ -242,6 +245,8 @@ class ChatChannel(Channel):
                 worker_exception = worker.exception()
                 if worker_exception:
                     self._fail_callback(session_id, exception = worker_exception, **kwargs)
+                else:
+                    self._success_callback(session_id, **kwargs)
             except CancelledError as e:
                 logger.info("Worker cancelled, session_id = {}".format(session_id))
             except Exception as e:
diff --git a/channel/wechat/wechat_channel.py b/channel/wechat/wechat_channel.py
index 36f6157..b11611d 100644
--- a/channel/wechat/wechat_channel.py
+++ b/channel/wechat/wechat_channel.py
@@ -147,6 +147,8 @@ class WechatChannel(ChatChannel):
             if conf().get('speech_recognition') != True:
                 return
             logger.debug("[WX]receive voice for group msg: {}".format(cmsg.content))
+        elif cmsg.ctype == ContextType.IMAGE:
+            logger.debug("[WX]receive image for group msg: {}".format(cmsg.content))
         else:
             # logger.debug("[WX]receive group msg: {}, cmsg={}".format(json.dumps(cmsg._rawmsg, ensure_ascii=False), cmsg))
             pass
diff --git a/channel/wechatmp/wechatmp_channel.py b/channel/wechatmp/wechatmp_channel.py
index 0457606..c56c1cb 100644
--- a/channel/wechatmp/wechatmp_channel.py
+++ b/channel/wechatmp/wechatmp_channel.py
@@ -97,7 +97,6 @@ class WechatMPChannel(ChatChannel):
         if self.passive_reply:
             receiver = context["receiver"]
             self.cache_dict[receiver] = reply.content
-            self.running.remove(receiver)
             logger.info("[send] reply to {} saved to cache: {}".format(receiver, reply))
         else:
             receiver = context["receiver"]
@@ -116,8 +115,14 @@ class WechatMPChannel(ChatChannel):
         return
 
 
+    def _success_callback(self, session_id, context, **kwargs): # 线程异常结束时的回调函数
+        logger.debug("[wechatmp] Success to generate reply, msgId={}".format(context['msg'].msg_id))
+        if self.passive_reply:
+            self.running.remove(session_id)
+
+
     def _fail_callback(self, session_id, exception, context, **kwargs): # 线程异常结束时的回调函数
-        logger.exception("[wechatmp] Fail to generation message to user, msgId={}, exception={}".format(context['msg'].msg_id, exception))
+        logger.exception("[wechatmp] Fail to generate reply to user, msgId={}, exception={}".format(context['msg'].msg_id, exception))
         if self.passive_reply:
             assert session_id not in self.cache_dict
             self.running.remove(session_id)
diff --git a/common/tmp_dir.py b/common/tmp_dir.py
index 1738022..63f56eb 100644
--- a/common/tmp_dir.py
+++ b/common/tmp_dir.py
@@ -12,7 +12,7 @@ class TmpDir(object):
     
     def __init__(self):
         pathExists = os.path.exists(self.tmpFilePath)
-        if not pathExists and conf().get('speech_recognition') == True:
+        if not pathExists:
             os.makedirs(self.tmpFilePath)
 
     def path(self):
diff --git a/config-template.json b/config-template.json
index abb3486..528bd60 100644
--- a/config-template.json
+++ b/config-template.json
@@ -2,7 +2,6 @@
   "open_ai_api_key": "YOUR API KEY",
   "model": "gpt-3.5-turbo",
   "proxy": "",
-  "use_azure_chatgpt": false,
   "single_chat_prefix": ["bot", "@bot"],
   "single_chat_reply_prefix": "[bot] ",
   "group_chat_prefix": ["@bot"],
diff --git a/config.py b/config.py
index 56bff7e..0520eb3 100644
--- a/config.py
+++ b/config.py
@@ -16,6 +16,7 @@ available_setting = {
     # chatgpt模型， 当use_azure_chatgpt为true时，其名称为Azure上model deployment名称
     "model": "gpt-3.5-turbo",
     "use_azure_chatgpt": False,  # 是否使用azure的chatgpt
+    "azure_deployment_id": "", #azure 模型部署名称
 
     # Bot触发配置
     "single_chat_prefix": ["bot", "@bot"],  # 私聊时文本需要包含该前缀才能触发机器人回复
diff --git a/plugins/README.md b/plugins/README.md
index 7cb61bf..1f07a2c 100644
--- a/plugins/README.md
+++ b/plugins/README.md
@@ -1,7 +1,7 @@
 **Table of Content**
 
 - [插件化初衷](#插件化初衷)
-- [插件安装方法](#插件化安装方法)
+- [插件安装方法](#插件安装方法)
 - [插件化实现](#插件化实现)
 - [插件编写示例](#插件编写示例)
 - [插件设计建议](#插件设计建议)
@@ -52,6 +52,8 @@
 
 以下是它们的默认处理逻辑(太长不看，可跳到[插件编写示例](#插件编写示例))：
 
+**注意以下包含的代码是`v1.1.0`中的片段，已过时，只可用于理解事件，最新的默认代码逻辑请参考[chat_channel](https://github.com/zhayujie/chatgpt-on-wechat/blob/master/channel/chat_channel.py)**
+
 #### 1. 收到消息
 
 负责接收用户消息，根据用户的配置，判断本条消息是否触发机器人。如果触发，则会判断该消息的类型（声音、文本、画图命令等），将消息包装成如下的`Context`交付给下一个步骤。
@@ -91,9 +93,9 @@
     if context.type == ContextType.TEXT or context.type == ContextType.IMAGE_CREATE:
         reply = super().build_reply_content(context.content, context) #文字跟画图交付给chatgpt
     elif context.type == ContextType.VOICE: # 声音先进行语音转文字后，修改Context类型为文字后，再交付给chatgpt
-        msg = context['msg']
-        file_name = TmpDir().path() + context.content
-        msg.download(file_name)
+        cmsg = context['msg']
+        cmsg.prepare()
+        file_name = context.content
         reply = super().build_voice_to_text(file_name)
         if reply.type != ReplyType.ERROR and reply.type != ReplyType.INFO:
             context.content = reply.content # 语音转文字后，将文字内容作为新的context
diff --git a/requirements-optional.txt b/requirements-optional.txt
index 55e3f7a..949a1dc 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -21,4 +21,4 @@ web.py
 
 # chatgpt-tool-hub plugin
 --extra-index-url https://pypi.python.org/simple
-chatgpt_tool_hub>=0.3.5
\ No newline at end of file
+chatgpt_tool_hub>=0.3.7
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 75ff7fb..61f979d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-openai>=0.27.2
+openai==0.27.2
 HTMLParser>=0.0.2
 PyQRCode>=1.2.1
 qrcode>=7.4.2