diff --git a/README.md b/README.md
index 58bc9161..dad555b3 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,12 @@
   - 现已支持OpenAI的对话`Completion API`和绘图`Image API`
   - 向机器人发送指令`!draw <prompt>`即可使用绘图模型
 </details>
+<details>
+<summary>✅支持指令控制热重载、热更新</summary>
+
+  - 允许在运行期间修改`config.py`或其他代码后，以管理员账号向机器人发送指令`!reload`进行热重载，无需重启
+  - 运行期间允许以管理员账号向机器人发送指令`!update`进行热更新，拉取远程最新代码并执行热重载
+</details>
 
 ## 💻技术栈
 
diff --git a/config-template.py b/config-template.py
index 13fa8ad9..06367cda 100644
--- a/config-template.py
+++ b/config-template.py
@@ -8,6 +8,8 @@ import logging
 # port: 运行mirai的主机端口
 # verifyKey: mirai-api-http的verifyKey
 # qq: 机器人的QQ号
+#
+# 注意: QQ机器人配置不支持热重载及热更新
 mirai_http_api_config = {
     "adapter": "WebSocketAdapter",
     "host": "localhost",
@@ -30,6 +32,9 @@ openai_config = {
     },
 }
 
+# 管理员QQ号，用于接收报错等通知及执行管理员级别指令，为0时关闭此功能
+admin_qq = 0
+
 # 情景预设（机器人人格）
 # 每个会话的预设信息，影响所有会话，无视指令重置
 # 可以通过这个字段指定某些情况的回复，可直接用自然语言描述指令
@@ -38,9 +43,6 @@ openai_config = {
 # 可参考 https://github.com/PlexPt/awesome-chatgpt-prompts-zh
 default_prompt = "如果我之后想获取帮助，请你说“输入!help获取帮助”"
 
-# 管理员QQ号，用于接收报错等通知，为0时不发送通知
-admin_qq = 0
-
 # 群内响应规则
 # 符合此消息的群内消息即使不包含at机器人也会响应
 # 支持消息前缀匹配及正则表达式匹配
diff --git a/main.py b/main.py
index 23150f1d..330c1e9d 100644
--- a/main.py
+++ b/main.py
@@ -1,3 +1,4 @@
+import asyncio
 import os
 import shutil
 import sys
@@ -7,6 +8,8 @@ import time
 import logging
 import colorlog
 
+from mirai.bot import MiraiRunner
+
 import sys
 
 sys.path.append(".")
@@ -27,10 +30,18 @@ def init_db():
     database.initialize_database()
 
 
-def main():
+def main(first_time_init=False):
     # 导入config.py
     assert os.path.exists('config.py')
+
+    # 检查是否设置了管理员
     import config
+    if not (hasattr(config, 'admin_qq') and config.admin_qq != 0):
+        logging.warning("未设置管理员QQ,管理员权限指令及运行告警将无法使用,如需设置请修改config.py中的admin_qq字段")
+
+    import pkg.utils.context
+    if pkg.utils.context.context['logger_handler'] is not None:
+        logging.getLogger().removeHandler(pkg.utils.context.context['logger_handler'])
 
     logging.basicConfig(level=config.logging_level,  # 设置日志输出格式
                         filename='qchatgpt.log',  # log日志输出的文件位置和文件名
@@ -54,6 +65,7 @@ def main():
     import pkg.openai.session
     import pkg.qqbot.manager
 
+    pkg.utils.context.context['logger_handler'] = sh
     # 主启动流程
     database = pkg.database.manager.DatabaseManager()
 
@@ -66,29 +78,46 @@ def main():
 
     # 初始化qq机器人
     qqbot = pkg.qqbot.manager.QQBotManager(mirai_http_api_config=config.mirai_http_api_config,
-                                           timeout=config.process_message_timeout, retry=config.retry_times)
+                                           timeout=config.process_message_timeout, retry=config.retry_times,
+                                           first_time_init=first_time_init)
 
-    qq_bot_thread = threading.Thread(target=qqbot.bot.run, args=(), daemon=True)
-    qq_bot_thread.start()
+    if first_time_init:  # 不是热重载之后的启动,则不启动新的bot线程
+        qq_bot_thread = threading.Thread(target=qqbot.bot.run, args=(), daemon=True)
+        qq_bot_thread.start()
 
-    logging.info('程序启动完成')
+    time.sleep(2)
+    logging.info('程序启动完成,如长时间未显示 ”成功登录到账号xxxxx“ ,并且不回复消息,请查看 https://github.com/RockChinQ/QChatGPT/issues/37')
 
     while True:
         try:
-            time.sleep(86400)
+            time.sleep(10000)
+            if qqbot != pkg.utils.context.get_qqbot_manager():  # 已经reload了
+                logging.info("以前的main流程由于reload退出")
+                break
         except KeyboardInterrupt:
-            try:
-                pkg.openai.manager.get_inst().key_mgr.dump_fee()
-                for session in pkg.openai.session.sessions:
-                    logging.info('持久化session: %s', session)
-                    pkg.openai.session.sessions[session].persistence()
-            except Exception as e:
-                if not isinstance(e, KeyboardInterrupt):
-                    raise e
+            stop()
+
             print("程序退出")
             sys.exit(0)
 
 
+def stop():
+    import pkg.utils.context
+    import pkg.qqbot.manager
+    import pkg.openai.session
+    try:
+        qqbot_inst = pkg.utils.context.get_qqbot_manager()
+        assert isinstance(qqbot_inst, pkg.qqbot.manager.QQBotManager)
+
+        pkg.utils.context.get_openai_manager().key_mgr.dump_fee()
+        for session in pkg.openai.session.sessions:
+            logging.info('持久化session: %s', session)
+            pkg.openai.session.sessions[session].persistence()
+    except Exception as e:
+        if not isinstance(e, KeyboardInterrupt):
+            raise e
+
+
 if __name__ == '__main__':
     # 检查是否有config.py,如果没有就把config-template.py复制一份,并退出程序
     if not os.path.exists('config.py'):
@@ -109,4 +138,4 @@ if __name__ == '__main__':
             print("dulwich模块未安装,请查看 https://github.com/RockChinQ/QChatGPT/issues/77")
         sys.exit(0)
 
-    main()
+    main(True)
diff --git a/pkg/database/manager.py b/pkg/database/manager.py
index cbe243e9..5c9b700b 100644
--- a/pkg/database/manager.py
+++ b/pkg/database/manager.py
@@ -6,8 +6,7 @@ from sqlite3 import Cursor
 import sqlite3
 
 import config
-
-inst = None
+import pkg.utils.context
 
 
 # 数据库管理
@@ -20,8 +19,7 @@ class DatabaseManager:
 
         self.reconnect()
 
-        global inst
-        inst = self
+        pkg.utils.context.set_database_manager(self)
 
     # 连接到数据库文件
     def reconnect(self):
@@ -312,6 +310,3 @@ class DatabaseManager:
             fee[key_md5] = fee_count
         return fee
 
-def get_inst() -> DatabaseManager:
-    global inst
-    return inst
diff --git a/pkg/openai/keymgr.py b/pkg/openai/keymgr.py
index e8992c7e..cf9898aa 100644
--- a/pkg/openai/keymgr.py
+++ b/pkg/openai/keymgr.py
@@ -4,6 +4,7 @@ import logging
 
 import pkg.database.manager
 import pkg.qqbot.manager
+import pkg.utils.context
 import config
 
 
@@ -62,43 +63,6 @@ class KeysManager:
     def add(self, key_name, key):
         self.api_key[key_name] = key
 
-    # def get_usage(self, api_key):
-    #     md5 = hashlib.md5(api_key.encode('utf-8')).hexdigest()
-    #     if md5 not in self.usage:
-    #         self.usage[md5] = 0
-    #     return self.usage[md5]
-
-    # 报告使用
-    # 返回是否需要将openai的api-key切换
-    # def report_usage(self, new_content: str) -> bool:
-    #     md5 = hashlib.md5(self.using_key.encode('utf-8')).hexdigest()
-    #     if md5 not in self.usage:
-    #         self.usage[md5] = 0
-    #
-    #     # 经测算得出的理论与实际的偏差比例
-    #     salt_rate = 0.91
-    #
-    #     self.usage[md5] += ( (len(new_content.encode('utf-8')) - len(new_content)) / 2 + len(new_content) )*salt_rate
-    #
-    #     self.usage[md5] = int(self.usage[md5])
-    #
-    #     if self.usage[md5] >= self.api_key_usage_threshold:
-    #         switch_result, key_name = self.auto_switch()
-    #
-    #         # 检查是否切换到新的
-    #         if switch_result:
-    #             if key_name not in self.alerted:
-    #                 # 通知管理员
-    #                 pkg.qqbot.manager.get_inst().notify_admin("api-key已切换到:" + key_name)
-    #                 self.alerted.append(key_name)
-    #                 return True
-    #         else:
-    #             if key_name not in self.alerted:
-    #                 # 通知管理员
-    #                 pkg.qqbot.manager.get_inst().notify_admin("api-key已用完，无未使用的api-key可供切换")
-    #                 self.alerted.append(key_name)
-    #                 return False
-
     # 设置当前使用的api-key使用量超限
     # 这是在尝试调用api时发生超限异常时调用的
     def set_current_exceeded(self):
@@ -107,14 +71,6 @@ class KeysManager:
         self.fee[md5] = self.api_key_fee_threshold
         self.dump_fee()
 
-    # def dump_usage(self):
-    #     pkg.database.manager.get_inst().dump_api_key_usage(api_keys=self.api_key, usage=self.usage)
-
-    # def load_usage(self):
-    #     self.usage = pkg.database.manager.get_inst().load_api_key_usage()
-    #     logging.debug("load usage:" + str(self.usage))
-    #     print("load usage:" + str(self.usage))
-
     def get_fee(self, api_key):
         md5 = hashlib.md5(api_key.encode('utf-8')).hexdigest()
         if md5 not in self.fee:
@@ -135,19 +91,19 @@ class KeysManager:
             if switch_result:
                 if key_name not in self.alerted:
                     # 通知管理员
-                    pkg.qqbot.manager.get_inst().notify_admin("api-key已切换到:" + key_name)
+                    pkg.utils.context.get_qqbot_manager().notify_admin("api-key已切换到:" + key_name)
                     self.alerted.append(key_name)
                     return True
             else:
                 if key_name not in self.alerted:
                     # 通知管理员
-                    pkg.qqbot.manager.get_inst().notify_admin("api-key已用完，无未使用的api-key可供切换")
+                    pkg.utils.context.get_qqbot_manager().notify_admin("api-key已用完，无未使用的api-key可供切换")
                     self.alerted.append(key_name)
                     return False
 
     def dump_fee(self):
-        pkg.database.manager.get_inst().dump_api_key_fee(api_keys=self.api_key, fee=self.fee)
+        pkg.utils.context.get_database_manager().dump_api_key_fee(api_keys=self.api_key, fee=self.fee)
 
     def load_fee(self):
-        self.fee = pkg.database.manager.get_inst().load_api_key_fee()
-        logging.info("load fee:" + str(self.fee))
\ No newline at end of file
+        self.fee = pkg.utils.context.get_database_manager().load_api_key_fee()
+        logging.info("load fee:" + str(self.fee))
diff --git a/pkg/openai/manager.py b/pkg/openai/manager.py
index d65f0e54..e59146d6 100644
--- a/pkg/openai/manager.py
+++ b/pkg/openai/manager.py
@@ -6,8 +6,7 @@ import config
 
 import pkg.openai.keymgr
 import pkg.openai.pricing as pricing
-
-inst = None
+import pkg.utils.context
 
 
 # 为其他模块提供与OpenAI交互的接口
@@ -27,11 +26,11 @@ class OpenAIInteract:
 
         openai.api_key = self.key_mgr.get_using_key()
 
-        global inst
-        inst = self
+        pkg.utils.context.set_openai_manager(self)
 
     # 请求OpenAI Completion
     def request_completion(self, prompt, stop):
+        # print("request")
         response = openai.Completion.create(
             prompt=prompt,
             stop=stop,
@@ -41,7 +40,6 @@ class OpenAIInteract:
 
         switched = self.key_mgr.report_fee(pricing.language_base_price(config.completion_api_params['model'],
                                                                        prompt + response['choices'][0]['text']))
-
         if switched:
             openai.api_key = self.key_mgr.get_using_key()
 
@@ -64,7 +62,3 @@ class OpenAIInteract:
 
         return response
 
-
-def get_inst() -> OpenAIInteract:
-    global inst
-    return inst
diff --git a/pkg/openai/modelmgr.py b/pkg/openai/modelmgr.py
new file mode 100644
index 00000000..c106824e
--- /dev/null
+++ b/pkg/openai/modelmgr.py
@@ -0,0 +1,34 @@
+# 提供与模型交互的抽象接口
+
+COMPLETION_MODELS = {
+    'text-davinci-003'
+}
+
+EDIT_MODELS = {
+
+}
+
+IMAGE_MODELS = {
+
+}
+
+
+# ModelManager
+# 由session包含
+class ModelMgr(object):
+
+    using_completion_model = ""
+    using_edit_model = ""
+    using_image_model = ""
+
+    def __init__(self):
+        pass
+
+    def get_using_completion_model(self):
+        return self.using_completion_model
+
+    def get_using_edit_model(self):
+        return self.using_edit_model
+
+    def get_using_image_model(self):
+        return self.using_image_model
diff --git a/pkg/openai/session.py b/pkg/openai/session.py
index 9bc9e9e1..631d4131 100644
--- a/pkg/openai/session.py
+++ b/pkg/openai/session.py
@@ -5,6 +5,7 @@ import time
 import config
 import pkg.openai.manager
 import pkg.database.manager
+import pkg.utils.context
 
 # 运行时保存的所有session
 sessions = {}
@@ -19,7 +20,7 @@ class SessionOfflineStatus:
 def load_sessions():
     global sessions
 
-    db_inst = pkg.database.manager.get_inst()
+    db_inst = pkg.utils.context.get_database_manager()
 
     session_data = db_inst.load_valid_sessions()
 
@@ -147,10 +148,11 @@ class Session:
         max_length = config.prompt_submit_length if hasattr(config, "prompt_submit_length") else 1024
 
         # 向API请求补全
-        response = pkg.openai.manager.get_inst().request_completion(self.cut_out(self.prompt + self.user_name + ':' +
-                                                                                 text + '\n' + self.bot_name + ':',
-                                                                                 max_rounds, max_length),
-                                                                    self.user_name + ':')
+        response = pkg.utils.context.get_openai_manager().request_completion(
+            self.cut_out(self.prompt + self.user_name + ':' +
+                         text + '\n' + self.bot_name + ':',
+                         max_rounds, max_length),
+            self.user_name + ':')
 
         self.prompt += self.user_name + ':' + text + '\n' + self.bot_name + ':'
         # print(response)
@@ -202,7 +204,7 @@ class Session:
         if self.prompt == get_default_prompt():
             return
 
-        db_inst = pkg.database.manager.get_inst()
+        db_inst = pkg.utils.context.get_database_manager()
 
         name_spt = self.name.split('_')
 
@@ -217,10 +219,10 @@ class Session:
         if self.prompt != get_default_prompt():
             self.persistence()
             if explicit:
-                pkg.database.manager.get_inst().explicit_close_session(self.name, self.create_timestamp)
+                pkg.utils.context.get_database_manager().explicit_close_session(self.name, self.create_timestamp)
 
             if expired:
-                pkg.database.manager.get_inst().set_session_expired(self.name, self.create_timestamp)
+                pkg.utils.context.get_database_manager().set_session_expired(self.name, self.create_timestamp)
         self.prompt = get_default_prompt()
         self.create_timestamp = int(time.time())
         self.last_interact_timestamp = int(time.time())
@@ -233,11 +235,11 @@ class Session:
 
     # 将本session的数据库状态设置为on_going
     def set_ongoing(self):
-        pkg.database.manager.get_inst().set_session_ongoing(self.name, self.create_timestamp)
+        pkg.utils.context.get_database_manager().set_session_ongoing(self.name, self.create_timestamp)
 
     # 切换到上一个session
     def last_session(self):
-        last_one = pkg.database.manager.get_inst().last_session(self.name, self.last_interact_timestamp)
+        last_one = pkg.utils.context.get_database_manager().last_session(self.name, self.last_interact_timestamp)
         if last_one is None:
             return None
         else:
@@ -252,7 +254,7 @@ class Session:
 
     # 切换到下一个session
     def next_session(self):
-        next_one = pkg.database.manager.get_inst().next_session(self.name, self.last_interact_timestamp)
+        next_one = pkg.utils.context.get_database_manager().next_session(self.name, self.last_interact_timestamp)
         if next_one is None:
             return None
         else:
@@ -266,8 +268,8 @@ class Session:
             return self
 
     def list_history(self, capacity: int = 10, page: int = 0):
-        return pkg.database.manager.get_inst().list_history(self.name, capacity, page,
-                                                            get_default_prompt())
+        return pkg.utils.context.get_database_manager().list_history(self.name, capacity, page,
+                                                                     get_default_prompt())
 
     def draw_image(self, prompt: str):
-        return pkg.openai.manager.get_inst().request_image(prompt)
+        return pkg.utils.context.get_openai_manager().request_image(prompt)
diff --git a/pkg/qqbot/manager.py b/pkg/qqbot/manager.py
index a301664f..b8d80454 100644
--- a/pkg/qqbot/manager.py
+++ b/pkg/qqbot/manager.py
@@ -3,10 +3,13 @@ import json
 import os
 import threading
 
+import mirai.models.bus
 import openai.error
 from mirai import At, GroupMessage, MessageEvent, Mirai, Plain, StrangerMessage, WebSocketAdapter, HTTPAdapter, \
     FriendMessage, Image
 
+from mirai.models.bus import ModelEventBus
+
 from mirai.models.message import Quote
 
 import config
@@ -17,8 +20,7 @@ import logging
 
 import pkg.qqbot.filter
 import pkg.qqbot.process as processor
-
-inst = None
+import pkg.utils.context
 
 
 # 并行运行
@@ -58,7 +60,7 @@ class QQBotManager:
 
     reply_filter = None
 
-    def __init__(self, mirai_http_api_config: dict, timeout: int = 60, retry: int = 3):
+    def __init__(self, mirai_http_api_config: dict, timeout: int = 60, retry: int = 3, first_time_init=True):
 
         self.timeout = timeout
         self.retry = retry
@@ -71,6 +73,47 @@ class QQBotManager:
         else:
             self.reply_filter = pkg.qqbot.filter.ReplyFilter([])
 
+        # 由于YiriMirai的bot对象是单例的，且shutdown方法暂时无法使用
+        # 故只在第一次初始化时创建bot对象，重载之后使用原bot对象
+        # 因此，bot的配置不支持热重载
+        if first_time_init:
+            self.first_time_init(mirai_http_api_config)
+        else:
+            self.bot = pkg.utils.context.get_qqbot_manager().bot
+
+        pkg.utils.context.set_qqbot_manager(self)
+
+        # Caution: 注册新的事件处理器之后，请务必在unsubscribe_all中编写相应的取消订阅代码
+        @self.bot.on(FriendMessage)
+        async def on_friend_message(event: FriendMessage):
+            go(self.on_person_message, (event,))
+
+        @self.bot.on(StrangerMessage)
+        async def on_stranger_message(event: StrangerMessage):
+            go(self.on_person_message, (event,))
+
+        @self.bot.on(GroupMessage)
+        async def on_group_message(event: GroupMessage):
+            go(self.on_group_message, (event,))
+
+        def unsubscribe_all():
+            """取消所有订阅
+
+            用于在热重载流程中卸载所有事件处理器
+            """
+            assert isinstance(self.bot, Mirai)
+            bus = self.bot.bus
+            assert isinstance(bus, mirai.models.bus.ModelEventBus)
+
+            bus.unsubscribe(FriendMessage, on_friend_message)
+            bus.unsubscribe(StrangerMessage, on_stranger_message)
+            bus.unsubscribe(GroupMessage, on_group_message)
+
+        self.unsubscribe_all = unsubscribe_all
+
+    def first_time_init(self, mirai_http_api_config: dict):
+        """热重载后不再运行此函数"""
+
         if 'adapter' not in mirai_http_api_config or mirai_http_api_config['adapter'] == "WebSocketAdapter":
             bot = Mirai(
                 qq=mirai_http_api_config['qq'],
@@ -93,23 +136,8 @@ class QQBotManager:
         else:
             raise Exception("未知的适配器类型")
 
-        @bot.on(FriendMessage)
-        async def on_friend_message(event: FriendMessage):
-            go(self.on_person_message, (event,))
-
-        @bot.on(StrangerMessage)
-        async def on_stranger_message(event: StrangerMessage):
-            go(self.on_person_message, (event,))
-
-        @bot.on(GroupMessage)
-        async def on_group_message(event: GroupMessage):
-            go(self.on_group_message, (event,))
-
         self.bot = bot
 
-        global inst
-        inst = self
-
     def send(self, event, msg, check_quote=True):
         asyncio.run(
             self.bot.send(event, msg, quote=True if hasattr(config,
@@ -117,7 +145,6 @@ class QQBotManager:
 
     # 私聊消息处理
     def on_person_message(self, event: MessageEvent):
-
         reply = ''
 
         if event.sender.id == self.bot.qq:
@@ -167,11 +194,13 @@ class QQBotManager:
                                                        event.sender.id)
                     break
                 except FunctionTimedOut:
+                    pkg.openai.session.get_session('group_{}'.format(event.group.id)).release_response_lock()
                     failed += 1
                     continue
 
             if failed == self.retry:
-                self.notify_admin("{} 请求超时".format("group_{}".format(event.sender.id)))
+                pkg.openai.session.get_session('group_{}'.format(event.group.id)).release_response_lock()
+                self.notify_admin("{} 请求超时".format("group_{}".format(event.group.id)))
                 replys = ["[bot]err:请求超时"]
 
             return replys
@@ -196,8 +225,3 @@ class QQBotManager:
             logging.info("通知管理员:{}".format(message))
             send_task = self.bot.send_friend_message(config.admin_qq, "[bot]{}".format(message))
             threading.Thread(target=asyncio.run, args=(send_task,)).start()
-
-
-def get_inst() -> QQBotManager:
-    global inst
-    return inst
diff --git a/pkg/qqbot/process.py b/pkg/qqbot/process.py
index 16a4ced9..6d95ce45 100644
--- a/pkg/qqbot/process.py
+++ b/pkg/qqbot/process.py
@@ -1,6 +1,7 @@
 # 此模块提供了消息处理的具体逻辑的接口
 import asyncio
 import datetime
+import threading
 
 import pkg.qqbot.manager as manager
 from func_timeout import func_set_timeout
@@ -8,12 +9,14 @@ import logging
 import openai
 
 from mirai import Image, MessageChain
-from mirai.models.message import Quote
 
 import config
 
 import pkg.openai.session
 import pkg.openai.manager
+import pkg.utils.reloader
+import pkg.utils.updater
+import pkg.utils.context
 
 processing = []
 
@@ -23,7 +26,7 @@ def process_message(launcher_type: str, launcher_id: int, text_message: str, mes
                     sender_id: int) -> MessageChain:
     global processing
 
-    mgr = pkg.qqbot.manager.get_inst()
+    mgr = pkg.utils.context.get_qqbot_manager()
 
     reply = []
     session_name = "{}_{}".format(launcher_type, launcher_id)
@@ -123,22 +126,22 @@ def process_message(launcher_type: str, launcher_id: int, text_message: str, mes
 
                             reply = [reply_str]
                     elif cmd == 'usage':
-                        api_keys = pkg.openai.manager.get_inst().key_mgr.api_key
+                        api_keys = pkg.utils.context.get_openai_manager().key_mgr.api_key
                         reply_str = "[bot]api-key使用情况:(阈值:{})\n\n".format(
-                            pkg.openai.manager.get_inst().key_mgr.api_key_fee_threshold)
+                            pkg.utils.context.get_openai_manager().key_mgr.api_key_fee_threshold)
 
                         using_key_name = ""
                         for api_key in api_keys:
                             reply_str += "{}:\n - {}美元 {}%\n".format(api_key,
                                                                        round(
-                                                                           pkg.openai.manager.get_inst().key_mgr.get_fee(
+                                                                           pkg.utils.context.get_openai_manager().key_mgr.get_fee(
                                                                                api_keys[api_key]), 6),
                                                                        round(
-                                                                           pkg.openai.manager.get_inst().key_mgr.get_fee(
+                                                                           pkg.utils.context.get_openai_manager().key_mgr.get_fee(
                                                                                api_keys[
-                                                                                   api_key]) / pkg.openai.manager.get_inst().key_mgr.api_key_fee_threshold * 100,
+                                                                                   api_key]) / pkg.utils.context.get_openai_manager().key_mgr.api_key_fee_threshold * 100,
                                                                            3))
-                            if api_keys[api_key] == pkg.openai.manager.get_inst().key_mgr.using_key:
+                            if api_keys[api_key] == pkg.utils.context.get_openai_manager().key_mgr.using_key:
                                 using_key_name = api_key
                         reply_str += "\n当前使用:{}".format(using_key_name)
 
@@ -157,6 +160,23 @@ def process_message(launcher_type: str, launcher_id: int, text_message: str, mes
                             if not (hasattr(config, 'include_image_description')
                                     and not config.include_image_description):
                                 reply.append(" ".join(params))
+                    elif cmd == 'reload' and launcher_type == 'person' and launcher_id == config.admin_qq:
+                        def reload_task():
+                            pkg.utils.reloader.reload_all()
+
+                        threading.Thread(target=reload_task, daemon=True).start()
+                    elif cmd == 'update' and launcher_type == 'person' and launcher_id == config.admin_qq:
+                        def update_task():
+                            try:
+                                pkg.utils.updater.update_all()
+                            except Exception as e0:
+                                pkg.utils.context.get_qqbot_manager().notify_admin("更新失败:{}".format(e0))
+                                return
+                            pkg.utils.reloader.reload_all()
+
+                        threading.Thread(target=update_task, daemon=True).start()
+                    else:
+                        reply = ["[bot]err:未知的指令或权限不足: "+cmd]
                 except Exception as e:
                     mgr.notify_admin("{}指令执行失败:{}".format(session_name, e))
                     logging.exception(e)
@@ -174,17 +194,17 @@ def process_message(launcher_type: str, launcher_id: int, text_message: str, mes
                     reply = ["[bot]err:调用API失败，请重试或联系作者，或等待修复"]
                 except openai.error.RateLimitError as e:
                     # 尝试切换api-key
-                    current_tokens_amt = pkg.openai.manager.get_inst().key_mgr.get_fee(
-                        pkg.openai.manager.get_inst().key_mgr.get_using_key())
-                    pkg.openai.manager.get_inst().key_mgr.set_current_exceeded()
-                    switched, name = pkg.openai.manager.get_inst().key_mgr.auto_switch()
+                    current_tokens_amt = pkg.utils.context.get_openai_manager().key_mgr.get_fee(
+                        pkg.utils.context.get_openai_manager().key_mgr.get_using_key())
+                    pkg.utils.context.get_openai_manager().key_mgr.set_current_exceeded()
+                    switched, name = pkg.utils.context.get_openai_manager().key_mgr.auto_switch()
 
                     if not switched:
                         mgr.notify_admin("API调用额度超限({}),请向OpenAI账户充值或在config.py中更换api_key".format(
                             current_tokens_amt))
                         reply = ["[bot]err:API调用额度超额，请联系作者，或等待修复"]
                     else:
-                        openai.api_key = pkg.openai.manager.get_inst().key_mgr.get_using_key()
+                        openai.api_key = pkg.utils.context.get_openai_manager().key_mgr.get_using_key()
                         mgr.notify_admin("API调用额度超限({}),已切换到{}".format(current_tokens_amt, name))
                         reply = ["[bot]err:API调用额度超额，已自动切换，请重新发送消息"]
                 except openai.error.InvalidRequestError as e:
diff --git a/pkg/utils/__init__.py b/pkg/utils/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/pkg/utils/context.py b/pkg/utils/context.py
new file mode 100644
index 00000000..2576609b
--- /dev/null
+++ b/pkg/utils/context.py
@@ -0,0 +1,32 @@
+context = {
+    'inst': {
+        'database.manager.DatabaseManager': None,
+        'openai.manager.OpenAIInteract': None,
+        'qqbot.manager.QQBotManager': None,
+    },
+    'logger_handler': None,
+}
+
+
+def set_database_manager(inst):
+    context['inst']['database.manager.DatabaseManager'] = inst
+
+
+def get_database_manager():
+    return context['inst']['database.manager.DatabaseManager']
+
+
+def set_openai_manager(inst):
+    context['inst']['openai.manager.OpenAIInteract'] = inst
+
+
+def get_openai_manager():
+    return context['inst']['openai.manager.OpenAIInteract']
+
+
+def set_qqbot_manager(inst):
+    context['inst']['qqbot.manager.QQBotManager'] = inst
+
+
+def get_qqbot_manager():
+    return context['inst']['qqbot.manager.QQBotManager']
\ No newline at end of file
diff --git a/pkg/utils/reloader.py b/pkg/utils/reloader.py
new file mode 100644
index 00000000..b2903570
--- /dev/null
+++ b/pkg/utils/reloader.py
@@ -0,0 +1,45 @@
+import logging
+import os
+import threading
+
+import colorlog
+
+import pkg
+import importlib
+import pkgutil
+import pkg.utils.context
+from main import log_colors_config
+
+
+def walk(module, prefix=''):
+    """遍历并重载所有模块"""
+    for item in pkgutil.iter_modules(module.__path__):
+        if item.ispkg:
+            walk(__import__(module.__name__ + '.' + item.name, fromlist=['']), prefix + item.name + '.')
+        else:
+            logging.info('reload module: {}'.format(prefix + item.name))
+            importlib.reload(__import__(module.__name__ + '.' + item.name, fromlist=['']))
+
+
+def reload_all():
+    # 解除bot的事件注册
+    import pkg
+    pkg.utils.context.get_qqbot_manager().unsubscribe_all()
+    # 执行关闭流程
+    logging.info("执行程序关闭流程")
+    import main
+    main.stop()
+
+    # 重载所有模块
+    context = pkg.utils.context.context
+    walk(pkg)
+    importlib.reload(__import__('config'))
+    importlib.reload(__import__('main'))
+    pkg.utils.context.context = context
+
+    # 执行启动流程
+    logging.info("执行程序启动流程")
+    threading.Thread(target=main.main, args=(False,), daemon=False).start()
+
+    logging.info('程序启动完成')
+    pkg.utils.context.get_qqbot_manager().notify_admin("重载完成")
diff --git a/pkg/utils/updater.py b/pkg/utils/updater.py
new file mode 100644
index 00000000..90b14004
--- /dev/null
+++ b/pkg/utils/updater.py
@@ -0,0 +1,13 @@
+import dulwich.porcelain
+
+
+def update_all():
+    """使用dulwich更新源码"""
+    try:
+        from dulwich import porcelain
+        repo = porcelain.open_repo('.')
+        porcelain.pull(repo)
+    except ModuleNotFoundError:
+        raise Exception("dulwich模块未安装,请查看 https://github.com/RockChinQ/QChatGPT/issues/77")
+    except dulwich.porcelain.DivergedBranches:
+        raise Exception("分支不一致,自动更新仅支持master分支,请手动更新(https://github.com/RockChinQ/QChatGPT/issues/76)")