diff --git a/cores/astrbot/core.py b/cores/astrbot/core.py
index 611ade77..7576ca08 100644
--- a/cores/astrbot/core.py
+++ b/cores/astrbot/core.py
@@ -84,7 +84,7 @@ def init(cfg):
     global _global_object
 
     # 迁移旧配置
-    gu.try_migrate_config(cfg)
+    gu.try_migrate_config()
     # 使用新配置
     cfg = cc.get_all()
 
@@ -105,6 +105,15 @@ def init(cfg):
             cc.put("reply_prefix", "")
         else:
             _global_object.reply_prefix = cfg['reply_prefix']
+    
+    default_personality_str = cc.get("default_personality_str", "")
+    if default_personality_str == "":
+        _global_object.default_personality = None
+    else:
+        _global_object.default_personality = {
+            "name": "default",
+            "prompt": default_personality_str,
+        }
 
     # 语言模型提供商
     logger.info("正在载入语言模型...")
@@ -122,6 +131,10 @@ def init(cfg):
                 llm_name=OPENAI_OFFICIAL, llm_instance=llm_instance[OPENAI_OFFICIAL], origin="internal"))
             chosen_provider = OPENAI_OFFICIAL
 
+            instance = llm_instance[OPENAI_OFFICIAL]
+            assert isinstance(instance, ProviderOpenAIOfficial)
+            instance.personality_set(_global_object.default_personality, session_id=None)
+
     # 检查provider设置偏好
     p = cc.get("chosen_provider", None)
     if p is not None and p in llm_instance:
@@ -197,14 +210,6 @@ def init(cfg):
             cfg, _global_object), daemon=True).start()
         platform_str += "QQ_OFFICIAL,"
 
-    default_personality_str = cc.get("default_personality_str", "")
-    if default_personality_str == "":
-        _global_object.default_personality = None
-    else:
-        _global_object.default_personality = {
-            "name": "default",
-            "prompt": default_personality_str,
-        }
     # 初始化dashboard
     _global_object.dashboard_data = DashBoardData(
         stats={},
@@ -430,12 +435,12 @@ async def oper_msg(message: AstrBotMessage,
                     official_fc = chosen_provider == OPENAI_OFFICIAL
                     llm_result_str = await gplugin.web_search(message_str, llm_instance[chosen_provider], session_id, official_fc)
                 else:
-                    llm_result_str = await llm_instance[chosen_provider].text_chat(message_str, session_id, image_url, default_personality=_global_object.default_personality)
+                    llm_result_str = await llm_instance[chosen_provider].text_chat(message_str, session_id, image_url)
 
             llm_result_str = _global_object.reply_prefix + llm_result_str
         except BaseException as e:
-            logger.info(f"调用异常：{traceback.format_exc()}")
-            return MessageResult(f"调用语言模型例程时出现异常。原因: {str(e)}")
+            logger.error(f"调用异常：{traceback.format_exc()}")
+            return MessageResult(f"调用异常。详细原因：{str(e)}")
 
     # 切换回原来的语言模型
     if temp_switch != "":
@@ -458,14 +463,10 @@ async def oper_msg(message: AstrBotMessage,
             return MessageResult(f"指令调用错误: \n{str(command_result[1])}")
 
         # 画图指令
-        if isinstance(command_result[1], list) and len(command_result) == 3 and command == 'draw':
-            for i in command_result[1]:
-                # 保存到本地
-                async with aiohttp.ClientSession() as session:
-                    async with session.get(i) as resp:
-                        if resp.status == 200:
-                            image = PILImage.open(io.BytesIO(await resp.read()))
-                            return MessageResult([Image.fromFileSystem(gu.save_temp_img(image))])
+        if command == 'draw':
+            # 保存到本地
+            path = await gu.download_image_by_url(command_result[1])
+            return MessageResult([Image.fromFileSystem(path)])
         # 其他指令
         else:
             try:
diff --git a/model/command/command.py b/model/command/command.py
index 362cc54c..99eebb4a 100644
--- a/model/command/command.py
+++ b/model/command/command.py
@@ -223,8 +223,6 @@ class Command:
             "nick": "设置机器人昵称",
             "plugin": "插件安装、卸载和重载",
             "web on/off": "LLM 网页搜索能力",
-            "reset": "重置 LLM 对话",
-            "/gpt": "切换到 OpenAI 官方接口"
         }
 
     async def help_messager(self, commands: dict, platform: str, cached_plugins: List[RegisteredPlugin] = None):
diff --git a/model/command/openai_official.py b/model/command/openai_official.py
index 27e8de3e..fe686dbc 100644
--- a/model/command/openai_official.py
+++ b/model/command/openai_official.py
@@ -16,8 +16,7 @@ class CommandOpenAIOfficial(Command):
         self.commands = [
             CommandItem("reset", self.reset, "重置 LLM 会话。", "内置"),
             CommandItem("his", self.his, "查看与 LLM 的历史记录。", "内置"),
-            CommandItem("status", self.gpt, "查看 GPT 配置信息和用量状态。", "内置"),
-
+            CommandItem("status", self.status, "查看 GPT 配置信息和用量状态。", "内置"),
         ]
         super().__init__(provider, global_object)
 
@@ -59,8 +58,6 @@ class CommandOpenAIOfficial(Command):
             return True, self.update(message, role)
         elif self.command_start_with(message, "画", "draw"):
             return True, await self.draw(message)
-        elif self.command_start_with(message, "key"):
-            return True, self.key(message)
         elif self.command_start_with(message, "switch"):
             return True, await self.switch(message)
         elif self.command_start_with(message, "models"):
@@ -87,12 +84,13 @@ class CommandOpenAIOfficial(Command):
 
     async def help(self):
         commands = super().general_commands()
-        commands['画'] = '画画'
-        commands['key'] = '添加OpenAI key'
+        commands['画'] = '调用 OpenAI DallE 模型生成图片'
         commands['set'] = '人格设置面板'
-        commands['gpt'] = '查看gpt配置信息'
-        commands['status'] = '查看key使用状态'
-        commands['token'] = '查看本轮会话token'
+        commands['status'] = '查看 Api Key 状态和配置信息'
+        commands['token'] = '查看本轮会话 token'
+        commands['reset'] = '重置当前与 LLM 的会话'
+        commands['reset p'] = '重置当前与 LLM 的会话，但保留人格（system prompt）'
+        
         return True, await super().help_messager(commands, self.platform, self.global_object.cached_plugins), "help"
 
     async def reset(self, session_id: str, message: str = "reset"):
@@ -103,66 +101,34 @@ class CommandOpenAIOfficial(Command):
             await self.provider.forget(session_id)
             return True, "重置成功", "reset"
         if len(l) == 2 and l[1] == "p":
-            self.provider.forget(session_id)
-            if self.personality_str != "":
-                self.set(self.personality_str, session_id)  # 重新设置人格
-            return True, "重置成功", "reset"
+            await self.provider.forget(session_id, keep_system_prompt=True)
 
     def his(self, message: str, session_id: str):
         if self.provider is None:
             return False, "未启用 OpenAI 官方 API", "his"
-        # 分页，每页5条
-        msg = ''
         size_per_page = 3
         page = 1
-        if message[4:]:
-            page = int(message[4:])
-        # 检查是否有过历史记录
-        if session_id not in self.provider.session_dict:
-            msg = f"历史记录为空"
-            return True, msg, "his"
-        l = self.provider.session_dict[session_id]
-        max_page = len(l)//size_per_page + \
-            1 if len(l) % size_per_page != 0 else len(l)//size_per_page
-        p = self.provider.get_prompts_by_cache_list(
-            self.provider.session_dict[session_id], divide=True, paging=True, size=size_per_page, page=page)
-        return True, f"历史记录如下：\n{p}\n第{page}页 | 共{max_page}页\n*输入/his 2跳转到第2页", "his"
+        l = message.split(" ")
+        if len(l) == 2:
+            try:
+                page = int(l[1])
+            except BaseException as e:
+                return True, "页码不合法", "his"
+        contexts, total_num = self.provider.dump_contexts_page(size_per_page, page=page)
+        t_pages = total_num // size_per_page + 1
+        return True, f"历史记录如下：\n{contexts}\n第 {page} 页 | 共 {t_pages} 页\n*输入 /his 2 跳转到第 2 页", "his"
 
     def status(self):
         if self.provider is None:
             return False, "未启用 OpenAI 官方 API", "status"
-        chatgpt_cfg_str = ""
-        key_stat = self.provider.get_key_stat()
-        index = 1
-        max = 9000000
-        gg_count = 0
-        total = 0
-        tag = ''
-        for key in key_stat.keys():
-            sponsor = ''
-            total += key_stat[key]['used']
-            if key_stat[key]['exceed']:
-                gg_count += 1
-                continue
-            if 'sponsor' in key_stat[key]:
-                sponsor = key_stat[key]['sponsor']
-            chatgpt_cfg_str += f"  |-{index}: {key[-8:]} {key_stat[key]['used']}/{max} {sponsor}{tag}\n"
-            index += 1
-        return True, f"⭐使用情况({str(gg_count)}个已用):\n{chatgpt_cfg_str}", "status"
+        keys_data = self.provider.get_keys_data()
+        ret = "OpenAI Key"
+        for k in keys_data:
+            status = "🟢" if keys_data[k]['status'] == 0 else "🔴"
+            ret += "\n|- " + k[:8] + " " + status
 
-    def key(self, message: str):
-        if self.provider is None:
-            return False, "未启用 OpenAI 官方 API", "reset"
-        l = message.split(" ")
-        if len(l) == 1:
-            msg = "感谢您赞助key，key为官方API使用，请以以下格式赞助:\n/key xxxxx"
-            return True, msg, "key"
-        key = l[1]
-        if self.provider.check_key(key):
-            self.provider.append_key(key)
-            return True, f"*★,°*:.☆(￣▽￣)/$:*.°★* 。\n该Key被验证为有效。感谢你的赞助~"
-        else:
-            return True, "该Key被验证为无效。也许是输入错误了，或者重试。", "key"
+        conf = self.provider.get_configs()
+        ret += "\n当前模型：" + conf['model']
 
     async def switch(self, message: str):
         '''
@@ -179,14 +145,13 @@ class CommandOpenAIOfficial(Command):
             return True, ret, "switch"
         elif len(l) == 2:
             try:
-                key_stat = self.provider.get_key_stat()
+                key_stat = self.provider.get_keys_data()
                 index = int(l[1])
                 if index > len(key_stat) or index < 1:
                     return True, "账号序号不合法。", "switch"
                 else:
                     try:
                         new_key = list(key_stat.keys())[index-1]
-                        ret = await self.provider.check_key(new_key)
                         self.provider.set_key(new_key)
                     except BaseException as e:
                         return True, "账号切换失败，原因: " + str(e), "switch"
@@ -235,58 +200,22 @@ class CommandOpenAIOfficial(Command):
                     'name': ps,
                     'prompt': personalities[ps]
                 }
-                self.provider.session_dict[session_id] = []
-                new_record = {
-                    "user": {
-                        "role": "user",
-                        "content": personalities[ps],
-                    },
-                    "AI": {
-                        "role": "assistant",
-                        "content": "好的，接下来我会扮演这个角色。"
-                    },
-                    'type': "personality",
-                    'usage_tokens': 0,
-                    'single-tokens': 0
-                }
-                self.provider.session_dict[session_id].append(new_record)
-                self.personality_str = message
+                self.provider.personality_set(ps, session_id)
                 return True, f"人格{ps}已设置。", "set"
             else:
                 self.provider.curr_personality = {
                     'name': '自定义人格',
                     'prompt': ps
                 }
-                new_record = {
-                    "user": {
-                        "role": "user",
-                        "content": ps,
-                    },
-                    "AI": {
-                        "role": "assistant",
-                        "content": "好的，接下来我会扮演这个角色。"
-                    },
-                    'type': "personality",
-                    'usage_tokens': 0,
-                    'single-tokens': 0
-                }
-                self.provider.session_dict[session_id] = []
-                self.provider.session_dict[session_id].append(new_record)
-                self.personality_str = message
+                self.provider.personality_set(ps, session_id)
                 return True, f"自定义人格已设置。 \n人格信息: {ps}", "set"
 
-    async def draw(self, message):
+    async def draw(self, message: str):
         if self.provider is None:
             return False, "未启用 OpenAI 官方 API", "draw"
         if message.startswith("/画"):
             message = message[2:]
         elif message.startswith("画"):
             message = message[1:]
-        try:
-            # 画图模式传回3个参数
-            img_url = await self.provider.image_chat(message)
-            return True, img_url, "draw"
-        except Exception as e:
-            if 'exceeded' in str(e):
-                return f"OpenAI API错误。原因：\n{str(e)} \n超额了。可自己搭建一个机器人(Github仓库：QQChannelChatGPT)"
-            return False, f"图片生成失败: {e}", "draw"
+        img_url = await self.provider.image_generate(message)
+        return True, img_url, "draw"
\ No newline at end of file
diff --git a/model/provider/openai_official.py b/model/provider/openai_official.py
index 72f1c2f8..6ff53218 100644
--- a/model/provider/openai_official.py
+++ b/model/provider/openai_official.py
@@ -5,10 +5,12 @@ import time
 import tiktoken
 import threading
 import traceback
+import base64
 
 from openai import AsyncOpenAI
 from openai.types.images_response import ImagesResponse
 from openai.types.chat.chat_completion import ChatCompletion
+from openai._exceptions import *
 
 from cores.database.conn import dbConn
 from model.provider.provider import Provider
@@ -16,84 +18,94 @@ from util import general_utils as gu
 from util.cmd_config import CmdConfig
 from SparkleLogging.utils.core import LogManager
 from logging import Logger
+from typing import List, Dict
 
 logger: Logger = LogManager.GetLogger(log_name='astrbot-core')
 
-
-abs_path = os.path.dirname(os.path.realpath(sys.argv[0])) + '/'
-
+MODELS = {
+    "gpt-4o": 128000,
+    "gpt-4o-2024-05-13": 128000,
+    "gpt-4-turbo": 128000,
+    "gpt-4-turbo-2024-04-09": 128000,
+    "gpt-4-turbo-preview": 128000,
+    "gpt-4-0125-preview": 128000,
+    "gpt-4-1106-preview": 128000,
+    "gpt-4-vision-preview": 128000,
+    "gpt-4-1106-vision-preview": 128000,
+    "gpt-4": 8192,
+    "gpt-4-0613": 8192,
+    "gpt-4-32k": 32768,
+    "gpt-4-32k-0613": 32768,
+    "gpt-3.5-turbo-0125": 16385,
+    "gpt-3.5-turbo": 16385,
+    "gpt-3.5-turbo-1106": 16385,
+    "gpt-3.5-turbo-instruct": 4096,
+    "gpt-3.5-turbo-16k": 16385,
+    "gpt-3.5-turbo-0613": 16385,
+    "gpt-3.5-turbo-16k-0613": 16385, 
+}
 
 class ProviderOpenAIOfficial(Provider):
-    def __init__(self, cfg):
-        self.cc = CmdConfig()
+    def __init__(self, cfg) -> None:
+        super().__init__()
 
-        self.key_list = []
-        # 如果 cfg['key'] 中有长度为 1 的字符串，那么是格式错误，直接报错
-        for key in cfg['key']:
-            if len(key) == 1:
-                raise BaseException(
-                    "检查到了长度为 1 的Key。配置文件中的 openai.key 处的格式错误 (符号 - 的后面要加空格)。")
-        if cfg['key'] != '' and cfg['key'] != None:
-            self.key_list = cfg['key']
-        if len(self.key_list) == 0:
-            raise Exception("您打开了 OpenAI 模型服务，但是未填写 key。请前往填写。")
+        os.makedirs("data/openai", exist_ok=True)
 
-        self.key_stat = {}
-        for k in self.key_list:
-            self.key_stat[k] = {'exceed': False, 'used': 0}
+        self.cc = CmdConfig
+        self.key_data_path = "data/openai/keys.json"
+        self.api_keys = []
+        self.chosen_api_key = None
+        self.base_url = None
+        self.keys_data = {} # 记录超额
 
-        self.api_base = None
-        if 'api_base' in cfg and cfg['api_base'] != 'none' and cfg['api_base'] != '':
-            self.api_base = cfg['api_base']
-            logger.info(f"设置 api_base 为: {self.api_base}")
+        if cfg['key']: self.api_keys = cfg['key']
+        if cfg['api_base']: self.base_url = cfg['api_base']
+        if not self.api_keys:
+            logger.warn("看起来你没有添加 OpenAI 的 API 密钥，OpenAI LLM 能力将不会启用。")
+        else:
+            self.chosen_api_key = self.api_keys[0]
+
+        for key in self.api_keys:
+            self.keys_data[key] = True
 
-        # 创建 OpenAI Client
         self.client = AsyncOpenAI(
-            api_key=self.key_list[0],
-            base_url=self.api_base
+            api_key=self.chosen_api_key,
+            base_url=self.base_url
         )
-
-        self.openai_model_configs: dict = cfg['chatGPTConfigs']
-        self.openai_configs = cfg
-        # 会话缓存
-        self.session_dict = {}
-        # 最大缓存token
-        self.max_tokens = cfg['total_tokens_limit']
-        # 历史记录持久化间隔时间
-        self.history_dump_interval = 20
-
-        self.enc = tiktoken.get_encoding("cl100k_base")
+        self.model_configs: Dict = cfg['chatGPTConfigs']
+        self.image_generator_model_configs: Dict = self.cc.get('openai_image_generate', None)
+        self.session_memory: Dict[str, List]  = {} # 会话记忆
+        self.session_memory_lock = threading.Lock()
+        self.max_tokens = self.model_configs['max_tokens'] # 上下文窗口大小
+        self.tokenizer = tiktoken.get_encoding("cl100k_base") # todo: 根据 model 切换分词器
+        self.curr_personality = {
+            "name": "default",
+            "prompt": "你是一个很有帮助的 AI 助手。"
+        }
 
         # 从 SQLite DB 读取历史记录
         try:
             db1 = dbConn()
             for session in db1.get_all_session():
-                self.session_dict[session[0]] = json.loads(session[1])['data']
-            logger.info("读取历史记录成功。")
+                self.session_memory_lock.acquire()
+                self.session_memory[session[0]] = json.loads(session[1])['data']
+                self.session_memory_lock.release()
         except BaseException as e:
-            logger.info("读取历史记录失败，但不影响使用。")
-
-        # 创建转储定时器线程
+            logger.warn(f"读取 OpenAI LLM 对话历史记录 失败：{e}。仍可正常使用。")
+        
+        # 定时保存历史记录
         threading.Thread(target=self.dump_history, daemon=True).start()
 
-        # 人格
-        self.curr_personality = {}
-        
-    def make_tmp_client(self, api_key: str, base_url: str):
-        return AsyncOpenAI(
-            api_key=api_key,
-            base_url=base_url
-        )
-
-    # 转储历史记录
     def dump_history(self):
+        '''
+        转储历史记录
+        '''
         time.sleep(10)
         db = dbConn()
         while True:
             try:
-                # print("转储历史记录...")
-                for key in self.session_dict:
-                    data = self.session_dict[key]
+                for key in self.session_memory:
+                    data = self.session_memory[key]
                     data_json = {
                         'data': data
                     }
@@ -101,309 +113,338 @@ class ProviderOpenAIOfficial(Provider):
                         db.update_session(key, json.dumps(data_json))
                     else:
                         db.insert_session(key, json.dumps(data_json))
-                # print("转储历史记录完毕")
+                logger.debug("已保存 OpenAI 会话历史记录")
             except BaseException as e:
                 print(e)
-            # 每隔10分钟转储一次
-            time.sleep(10*self.history_dump_interval)
-
+            finally:
+                time.sleep(10*60)
+    
     def personality_set(self, default_personality: dict, session_id: str):
+        if not default_personality: return
+        if session_id not in self.session_memory: self.session_memory[session_id] = []
         self.curr_personality = default_personality
+        encoded_prompt = self.tokenizer.encode(default_personality['prompt'])
+        tokens_num = len(encoded_prompt)
+        model = self.model_configs['model']
+        if model in MODELS and tokens_num > MODELS[model] - 800:
+            default_personality['prompt'] = self.tokenizer.decode(encoded_prompt[:MODELS[model] - 800])
+
         new_record = {
             "user": {
-                "role": "user",
+                "role": "system",
                 "content": default_personality['prompt'],
             },
-            "AI": {
-                "role": "assistant",
-                "content": "好的，接下来我会扮演这个角色。"
-            },
-            'type': "personality",
-            'usage_tokens': 0,
-            'single-tokens': 0
+            'usage_tokens': 0, # 到该条目的总 token 数
+            'single-tokens': 0 # 该条目的 token 数
         }
-        self.session_dict[session_id].append(new_record)
 
-    async def text_chat(self, prompt,
-                        session_id=None,
-                        image_url=None,
-                        function_call=None,
-                        extra_conf: dict = None,
-                        default_personality: dict = None):
-        if session_id is None:
+        self.session_memory[session_id].append(new_record)
+
+    async def encode_image_bs64(self, image_url: str) -> str:
+        '''
+        将图片转换为 base64
+        '''
+        if image_url.startswith("http"):
+            image_url = await gu.download_image_by_url(image_url)
+        
+        with open(image_url, "rb") as f:
+            image_bs64 = base64.b64encode(f.read()).decode()
+            return "data:image/jpeg;base64," + image_bs64
+
+    async def retrieve_context(self, session_id: str):
+        '''
+        根据 session_id 获取保存的 OpenAI 格式的上下文
+        '''
+        if session_id not in self.session_memory:
+            raise Exception("会话 ID 不存在")
+        
+        # 转换为 openai 要求的格式
+        context = []
+        for record in self.session_memory[session_id]:
+            if "user" in record and record['user']:
+                context.append(record['user'])
+            if "AI" in record and record['AI']:
+                context.append(record['AI'])
+
+        return context
+    
+    async def get_models(self):
+        '''
+        获取所有模型
+        '''
+        models = await self.client.models.list()
+        logger.info(f"OpenAI 模型列表：{models}")
+        return models
+    
+    async def assemble_context(self, session_id: str, prompt: str, image_url: str = None):
+        '''
+        组装上下文，并且根据当前上下文窗口大小截断
+        '''
+        if session_id not in self.session_memory:
+            raise Exception("会话 ID 不存在")
+        
+        tokens_num = len(self.tokenizer.encode(prompt))
+        previous_total_tokens_num = 0 if not self.session_memory[session_id] else self.session_memory[session_id][-1]['usage_tokens']
+
+        message = {
+            "usage_tokens": previous_total_tokens_num + tokens_num,
+            "single_tokens": tokens_num,
+            "AI": None
+        }
+        if image_url:
+            user_content = {
+                "role": "user",
+                "content": [
+                    {
+                        "type": "text",
+                        "text": prompt
+                    },
+                    {
+                        "type": "image_url",
+                        "url": await self.encode_image_bs64(image_url)
+                    }
+                ]
+            }
+        else:
+            user_content = {
+                "role": "user",
+                "content": prompt
+            }
+
+        message["user"] = user_content
+        self.session_memory[session_id].append(message)
+
+        # 根据 模型的上下文窗口 淘汰掉多余的记录
+        curr_model = self.model_configs['model']
+        if curr_model in MODELS:
+            maxium_tokens_num = MODELS[curr_model] - 300 # 至少预留 300 给 completion
+            # if message['usage_tokens'] > maxium_tokens_num:
+                # 淘汰多余的记录，使得最终的 usage_tokens 不超过 maxium_tokens_num - 300
+                # contexts = self.session_memory[session_id]
+                # need_to_remove_idx = 0
+                # freed_tokens_num = contexts[0]['single-tokens']
+                # while freed_tokens_num < message['usage_tokens'] - maxium_tokens_num:
+                #     need_to_remove_idx += 1
+                #     freed_tokens_num += contexts[need_to_remove_idx]['single-tokens']
+                # # 更新之后的所有记录的 usage_tokens
+                # for i in range(len(contexts)):
+                #     if i > need_to_remove_idx:
+                #         contexts[i]['usage_tokens'] -= freed_tokens_num
+                # logger.debug(f"淘汰上下文记录 {need_to_remove_idx+1} 条，释放 {freed_tokens_num} 个 token。当前上下文总 token 为 {contexts[-1]['usage_tokens']}。")
+                # self.session_memory[session_id] = contexts[need_to_remove_idx+1:]
+            while len(self.session_memory[session_id]) and self.session_memory[session_id][-1]['usage_tokens'] > maxium_tokens_num:
+                self.pop_record(session_id)
+
+
+    async def pop_record(self, session_id: str, pop_system_prompt: bool = False):
+        '''
+        弹出第一条记录
+        '''
+        if session_id not in self.session_memory:
+            raise Exception("会话 ID 不存在")
+        
+        if len(self.session_memory[session_id]) == 0:
+            return None
+        
+        for i in range(len(self.session_memory[session_id])):
+            # 检查是否是 system prompt
+            if not pop_system_prompt and self.session_memory[session_id][i]['user']['role'] == "system":
+                continue
+            record = self.session_memory[session_id].pop(i)
+            break
+
+        # 更新之后所有记录的 usage_tokens
+        for i in range(len(self.session_memory[session_id])):
+            self.session_memory[session_id][i]['usage_tokens'] -= record['single-tokens']
+        logger.debug(f"淘汰上下文记录 1 条，释放 {record['single-tokens']} 个 token。当前上下文总 token 为 {self.session_memory[session_id][-1]['usage_tokens']}。")
+        return record
+
+    async def text_chat(self, 
+                        prompt: str, 
+                        session_id: str, 
+                        image_url: None, 
+                        tools: None=None, 
+                        extra_conf: Dict = None,
+                        **kwargs
+                    ) -> str:
+        if not session_id:
             session_id = "unknown"
-            if "unknown" in self.session_dict:
-                del self.session_dict["unknown"]
-        # 会话机制
-        if session_id not in self.session_dict:
-            self.session_dict[session_id] = []
+            if "unknown" in self.session_memory:
+                del self.session_memory["unknown"]
 
-        if len(self.session_dict[session_id]) == 0:
-            # 设置默认人格
-            if default_personality is not None:
-                self.personality_set(default_personality, session_id)
+        if session_id not in self.session_memory:
+            self.session_memory[session_id] = []
+            self.personality_set(self.curr_personality, session_id)
+        
+        # 如果 prompt 超过了最大窗口，截断。
+        # 1. 可以保证之后 pop 的时候不会出现问题
+        # 2. 可以保证不会超过最大 token 数
+        _encoded_prompt = self.tokenizer.encode(prompt)
+        curr_model = self.model_configs['model']
+        if curr_model in MODELS and len(_encoded_prompt) > MODELS[curr_model] - 300:
+            _encoded_prompt = _encoded_prompt[:MODELS[curr_model] - 300]
+            prompt = self.tokenizer.decode(_encoded_prompt)
+        
+        # 组装上下文，并且根据当前上下文窗口大小截断
+        await self.assemble_context(session_id, prompt, image_url)
 
-        # 使用 tictoken 截断消息
-        _encoded_prompt = self.enc.encode(prompt)
-        if self.openai_model_configs['max_tokens'] < len(_encoded_prompt):
-            prompt = self.enc.decode(_encoded_prompt[:int(
-                self.openai_model_configs['max_tokens']*0.80)])
-            logger.info(f"注意，有一部分 prompt 文本由于超出 token 限制而被截断。")
+        # 获取上下文，openai 格式
+        contexts = await self.retrieve_context(session_id)
 
-        cache_data_list, new_record, req = self.wrap(
-            prompt, session_id, image_url)
-        logger.debug(f"cache: {str(cache_data_list)}")
-        logger.debug(f"request: {str(req)}")
+        conf = self.model_configs
+        if extra_conf: conf.update(extra_conf)
+
+        # start request
         retry = 0
-        response = None
-        err = ''
-
-        # 截断倍率
-        truncate_rate = 0.75
-
-        conf = self.openai_model_configs
-        if extra_conf is not None:
-            conf.update(extra_conf)
-
-        while retry < 10:
+        rate_limit_retry = 0
+        while retry < 3 or rate_limit_retry < 5:
+            logger.debug(conf)
+            logger.debug(contexts)
+            if tools:
+                completion_coro = self.client.chat.completions.create(
+                    messages=contexts,
+                    tools=tools,
+                    **conf
+                )
+            else:
+                completion_coro = self.client.chat.completions.create(
+                    messages=contexts,
+                    **conf
+                )
             try:
-                if function_call is None:
-                    response = await self.client.chat.completions.create(
-                        messages=req,
-                        **conf
-                    )
-                else:
-                    response = await self.client.chat.completions.create(
-                        messages=req,
-                        tools=function_call,
-                        **conf
-                    )
+                completion = await completion_coro
                 break
+            except AuthenticationError as e:
+                api_key = self.chosen_api_key[10:] + "..."
+                logger.error(f"OpenAI API Key {api_key} 验证错误。详细原因：{e}。正在切换到下一个可用的 Key（如果有的话）")
+                self.keys_data[self.chosen_api_key] = False
+                ok = await self.switch_to_next_key()
+                if ok: continue
+                else: raise Exception("所有 OpenAI API Key 目前都不可用。")
+
+            except RateLimitError as e:
+                if "You exceeded your current quota" in e:
+                    self.keys_data[self.chosen_api_key] = False
+                    ok = await self.switch_to_next_key()
+                    if ok: continue
+                    else: raise Exception("所有 OpenAI API Key 目前都不可用。")
+                logger.error(f"OpenAI API Key {self.chosen_api_key} 达到请求速率限制或者官方服务器当前超载。详细原因：{e}")
+                await self.switch_to_next_key()
+                rate_limit_retry += 1
+                time.sleep(1)
             except Exception as e:
-                traceback.print_exc()
-                if 'Invalid content type. image_url is only supported by certain models.' in str(e):
-                    raise e
-                if 'You exceeded' in str(e) or 'Billing hard limit has been reached' in str(e) or 'No API key provided' in str(e) or 'Incorrect API key provided' in str(e):
-                    logger.info("当前 Key 已超额或异常, 正在切换",
-                                    )
-                    self.key_stat[self.client.api_key]['exceed'] = True
-                    is_switched = self.handle_switch_key()
-                    if not is_switched:
-                        raise e
-                    retry -= 1
-                elif 'maximum context length' in str(e):
-                    logger.info("token 超限, 清空对应缓存，并进行消息截断")
-                    self.session_dict[session_id] = []
-                    prompt = prompt[:int(len(prompt)*truncate_rate)]
-                    truncate_rate -= 0.05
-                    cache_data_list, new_record, req = self.wrap(
-                        prompt, session_id)
-
-                elif 'Limit: 3 / min. Please try again in 20s.' in str(e) or "OpenAI response error" in str(e):
-                    time.sleep(30)
-                    continue
-                else:
-                    logger.error(str(e))
-                time.sleep(2)
-                err = str(e)
                 retry += 1
-        if retry >= 10:
-            logger.warning(
-                r"如果报错, 且您的机器在中国大陆内, 请确保您的电脑已经设置好代理软件(梯子), 并在配置文件设置了系统代理地址。详见 https://github.com/Soulter/QQChannelChatGPT/wiki")
-            raise BaseException("连接出错: "+str(err))
-        assert isinstance(response, ChatCompletion)
-        logger.debug(
-            f"OPENAI RESPONSE: {response.usage}")
+                if retry >= 3:
+                    logger.error(traceback.format_exc())
+                    raise Exception(f"OpenAI 请求失败：{e}。重试次数已达到上限。")
+                if "maximum context length" in str(e):
+                    logger.warn(f"OpenAI 请求失败：{e}。上下文长度超过限制。尝试弹出最早的记录然后重试。")
+                    self.pop_record(session_id)
 
-        # 结果分类
-        choice = response.choices[0]
-        if choice.message.content != None:
-            # 文本形式
-            chatgpt_res = str(choice.message.content).strip()
-        elif choice.message.tool_calls != None and len(choice.message.tool_calls) > 0:
+                logger.warning(f"OpenAI 请求失败：{e}。重试第 {retry} 次。")
+                time.sleep(1)
+
+        assert isinstance(completion, ChatCompletion)
+        logger.debug(f"openai completion: {completion.usage}")
+
+        choice = completion.choices[0]
+
+        usage_tokens = completion.usage.total_tokens
+        completion_tokens = completion.usage.completion_tokens
+        self.session_memory[session_id][-1]['usage_tokens'] = usage_tokens
+        self.session_memory[session_id][-1]['single_tokens'] += completion_tokens
+
+        if choice.message.content:
+            # 返回文本
+            completion_text = str(choice.message.content).strip()
+        elif choice.message.tool_calls and choice.message.tool_calls:
             # tools call (function calling)
             return choice.message.tool_calls[0].function
-
-        self.key_stat[self.client.api_key]['used'] += response.usage.total_tokens
-        current_usage_tokens = response.usage.total_tokens
-
-        # 超过指定tokens， 尽可能的保留最多的条目，直到小于max_tokens
-        if current_usage_tokens > self.max_tokens:
-            t = current_usage_tokens
-            index = 0
-            while t > self.max_tokens:
-                if index >= len(cache_data_list):
-                    break
-                # 保留人格信息
-                if cache_data_list[index]['type'] != 'personality':
-                    t -= int(cache_data_list[index]['single_tokens'])
-                    del cache_data_list[index]
-                else:
-                    index += 1
-            # 删除完后更新相关字段
-            self.session_dict[session_id] = cache_data_list
-
-        # 添加新条目进入缓存的prompt
-        new_record['AI'] = {
-            'role': 'assistant',
-            'content': chatgpt_res,
+        
+        self.session_memory[session_id][-1]['AI'] = {
+            "role": "assistant",
+            "content": completion_text
         }
-        new_record['usage_tokens'] = current_usage_tokens
-        if len(cache_data_list) > 0:
-            new_record['single_tokens'] = current_usage_tokens - \
-                int(cache_data_list[-1]['usage_tokens'])
-        else:
-            new_record['single_tokens'] = current_usage_tokens
 
-        cache_data_list.append(new_record)
-
-        self.session_dict[session_id] = cache_data_list
-
-        return chatgpt_res
-
-    async def image_chat(self, prompt, img_num=1, img_size="1024x1024"):
-        retry = 0
-        image_url = ''
-
-        image_generate_configs = self.cc.get("openai_image_generate", None)
-
-        while retry < 5:
-            try:
-                response: ImagesResponse = await self.client.images.generate(
-                    prompt=prompt,
-                    **image_generate_configs
-                )
-                image_url = []
-                for i in range(img_num):
-                    image_url.append(response.data[i].url)
-                break
-            except Exception as e:
-                logger.warning(str(e))
-                if 'You exceeded' in str(e) or 'Billing hard limit has been reached' in str(
-                        e) or 'No API key provided' in str(e) or 'Incorrect API key provided' in str(e):
-                    logger.warning("当前 Key 已超额或者不正常, 正在切换")
-                    self.key_stat[self.client.api_key]['exceed'] = True
-                    is_switched = self.handle_switch_key()
-                    if not is_switched:
-                        raise e
-                elif 'Your request was rejected as a result of our safety system.' in str(e):
-                    logger.warning("您的请求被 OpenAI 安全系统拒绝, 请稍后再试")
-                    raise e
-                else:
-                    retry += 1
-        if retry >= 5:
-            raise BaseException("连接超时")
-
-        return image_url
-
-    async def forget(self, session_id=None) -> bool:
-        if session_id is None:
+        return completion_text
+    
+    async def switch_to_next_key(self):
+        '''
+        切换到下一个 API Key
+        '''
+        if not self.api_keys:
+            logger.error("OpenAI API Key 不存在。")
             return False
-        self.session_dict[session_id] = []
-        return True
 
-    def get_prompts_by_cache_list(self, cache_data_list, divide=False, paging=False, size=5, page=1):
+        for key in self.keys_data:
+            if self.keys_data[key]:
+                # 没超额
+                self.chosen_api_key = key
+                self.client.api_key = key
+                logger.info(f"OpenAI 切换到 API Key {key[:10]}... 成功。")
+                return True
+
+        return False
+    
+    async def image_generate(self, prompt, session_id, **kwargs) -> str:
+        '''
+        生成图片
+        '''
+        retry = 0
+        conf = self.image_generator_model_configs
+        if not conf:
+            logger.error("OpenAI 图片生成模型配置不存在。")
+            raise Exception("OpenAI 图片生成模型配置不存在。")
+        
+        while retry < 3:
+            try:
+                images_response = await self.client.images.generate(
+                    prompt=prompt,
+                    **conf
+                )
+                image_url = images_response.data[0].url
+                return image_url
+            except Exception as e:
+                retry += 1
+                if retry >= 3:
+                    logger.error(traceback.format_exc())
+                    raise Exception(f"OpenAI 图片生成请求失败：{e}。重试次数已达到上限。")
+                logger.warning(f"OpenAI 图片生成请求失败：{e}。重试第 {retry} 次。")
+                time.sleep(1)
+
+    async def forget(self, session_id=None, keep_system_prompt: bool=False) -> bool:
+        if session_id is None: return False
+        self.session_memory[session_id] = []
+        if keep_system_prompt:
+            self.personality_set(self.curr_personality, session_id)
+        return True
+    
+    def dump_contexts_page(self, size=5, page=1):
         '''
         获取缓存的会话
         '''
-        prompts = ""
-        if paging:
-            page_begin = (page-1)*size
-            page_end = page*size
-            if page_begin < 0:
-                page_begin = 0
-            if page_end > len(cache_data_list):
-                page_end = len(cache_data_list)
-            cache_data_list = cache_data_list[page_begin:page_end]
-        for item in cache_data_list:
-            prompts += str(item['user']['role']) + ":\n" + \
-                str(item['user']['content']) + "\n"
-            prompts += str(item['AI']['role']) + ":\n" + \
-                str(item['AI']['content']) + "\n"
-
-            if divide:
-                prompts += "----------\n"
-        return prompts
-
-    def wrap(self, prompt, session_id, image_url=None):
-        if image_url is not None:
-            prompt = [
-                {
-                    "type": "text",
-                    "text": prompt
-                },
-                {
-                    "type": "image_url",
-                    "image_url": {
-                        "url": image_url
-                    }
-                }
-            ]
-        # 获得缓存信息
-        context = self.session_dict[session_id]
-        new_record = {
-            "user": {
-                "role": "user",
-                "content": prompt,
-            },
-            "AI": {},
-            'type': "common",
-            'usage_tokens': 0,
-        }
-        req_list = []
-        for i in context:
-            if 'user' in i:
-                req_list.append(i['user'])
-            if 'AI' in i:
-                req_list.append(i['AI'])
-        req_list.append(new_record['user'])
-        return context, new_record, req_list
-
-    def handle_switch_key(self):
-        is_all_exceed = True
-        for key in self.key_stat:
-            if key == None or self.key_stat[key]['exceed']:
+        contexts_str = ""
+        for i, key in enumerate(self.session_memory):
+            if i < (page-1)*size or i >= page*size:
                 continue
-            is_all_exceed = False
-            self.client.api_key = key
-            logger.warning(
-                f"切换到 Key: {key}(已使用 token: {self.key_stat[key]['used']})")
-            break
-        if is_all_exceed:
-            logger.warning(
-                "所有 Key 已超额")
-            return False
-        return True
+            contexts_str += f"Session ID: {key}\n"
+            for record in self.session_memory[key]:
+                if "user" in record:
+                    contexts_str += f"User: {record['user']['content']}\n"
+                if "AI" in record:
+                    contexts_str += f"AI: {record['AI']['content']}\n"
+            contexts_str += "---\n"
 
+        return contexts_str, len(self.session_memory)
+    
     def get_configs(self):
-        return self.openai_configs
+        return self.model_configs
 
-    def get_key_stat(self):
-        return self.key_stat
-
-    def get_key_list(self):
-        return self.key_list
+    def get_keys_data(self):
+        return self.keys_data
 
     def get_curr_key(self):
-        return self.client.api_key
+        return self.chosen_api_key
 
     def set_key(self, key):
-        self.client.api_key = key
-
-    # 添加key
-    def append_key(self, key, sponsor):
-        self.key_list.append(key)
-        self.key_stat[key] = {'exceed': False, 'used': 0, 'sponsor': sponsor}
-
-    # 检查key是否可用
-    async def check_key(self, key):
-        client_ = AsyncOpenAI(
-            api_key=key,
-            base_url=self.api_base
-        )
-        messages = [{"role": "user", "content": "please just echo `test`"}]
-        await client_.chat.completions.create(
-            messages=messages,
-            **self.openai_model_configs
-        )
-        return True
+        self.client.api_key = key
\ No newline at end of file
diff --git a/model/provider/openai_official_new.py b/model/provider/openai_official_new.py
deleted file mode 100644
index 6699c8e2..00000000
--- a/model/provider/openai_official_new.py
+++ /dev/null
@@ -1,66 +0,0 @@
-import os
-import sys
-import json
-import time
-import tiktoken
-import threading
-import traceback
-
-from openai import AsyncOpenAI
-from openai.types.images_response import ImagesResponse
-from openai.types.chat.chat_completion import ChatCompletion
-
-from cores.database.conn import dbConn
-from model.provider.provider import Provider
-from util import general_utils as gu
-from util.cmd_config import CmdConfig
-from SparkleLogging.utils.core import LogManager
-from logging import Logger
-
-logger: Logger = LogManager.GetLogger(log_name='astrbot-core')
-
-class ProviderOpenAIOfficial(Provider):
-    def __init__(self, cfg) -> None:
-        super().__init__()
-
-        os.makedirs("data/openai", exist_ok=True)
-
-        self.cc = CmdConfig
-        self.key_data_path = "data/openai/keys.json"
-        self.api_keys = []
-        self.chosen_api_key = None
-        self.base_url = None
-        self.keys_data = {
-            "keys": []
-        }
-
-        if cfg['key']: self.api_keys = cfg['key']
-        if cfg['api_base']: self.base_url = cfg['api_base']
-        if not self.api_keys:
-            logger.warn("看起来你没有添加 OpenAI 的 API 密钥，OpenAI LLM 能力将不会启用。")
-        else:
-            self.chosen_api_key = self.api_keys[0]
-
-        self.client = AsyncOpenAI(
-            api_key=self.chosen_api_key,
-            base_url=self.base_url
-        )
-        self.model_configs: dict = cfg['chatGPTConfigs']
-        self.session_memory = {} # 会话记忆
-        self.session_memory_lock = threading.Lock()
-        self.max_tokens = self.model_configs['max_tokens'] # 上下文窗口大小
-        self.tokenizer = tiktoken.get_encoding("cl100k_base") # todo: 根据 model 切换分词器
-
-        # 从 SQLite DB 读取历史记录
-        try:
-            db1 = dbConn()
-            for session in db1.get_all_session():
-                self.session_memory_lock.acquire()
-                self.session_memory[session[0]] = json.loads(session[1])['data']
-                self.session_memory_lock.release()
-        except BaseException as e:
-            logger.warn(f"读取 OpenAI LLM 对话历史记录 失败：{e}。仍可正常使用。")
-        
-        # 定时保存历史记录
-        threading.Thread(target=self.dump_history, daemon=True).start()
-
diff --git a/model/provider/openai_official_old.py b/model/provider/openai_official_old.py
new file mode 100644
index 00000000..72f1c2f8
--- /dev/null
+++ b/model/provider/openai_official_old.py
@@ -0,0 +1,409 @@
+import os
+import sys
+import json
+import time
+import tiktoken
+import threading
+import traceback
+
+from openai import AsyncOpenAI
+from openai.types.images_response import ImagesResponse
+from openai.types.chat.chat_completion import ChatCompletion
+
+from cores.database.conn import dbConn
+from model.provider.provider import Provider
+from util import general_utils as gu
+from util.cmd_config import CmdConfig
+from SparkleLogging.utils.core import LogManager
+from logging import Logger
+
+logger: Logger = LogManager.GetLogger(log_name='astrbot-core')
+
+
+abs_path = os.path.dirname(os.path.realpath(sys.argv[0])) + '/'
+
+
+class ProviderOpenAIOfficial(Provider):
+    def __init__(self, cfg):
+        self.cc = CmdConfig()
+
+        self.key_list = []
+        # 如果 cfg['key'] 中有长度为 1 的字符串，那么是格式错误，直接报错
+        for key in cfg['key']:
+            if len(key) == 1:
+                raise BaseException(
+                    "检查到了长度为 1 的Key。配置文件中的 openai.key 处的格式错误 (符号 - 的后面要加空格)。")
+        if cfg['key'] != '' and cfg['key'] != None:
+            self.key_list = cfg['key']
+        if len(self.key_list) == 0:
+            raise Exception("您打开了 OpenAI 模型服务，但是未填写 key。请前往填写。")
+
+        self.key_stat = {}
+        for k in self.key_list:
+            self.key_stat[k] = {'exceed': False, 'used': 0}
+
+        self.api_base = None
+        if 'api_base' in cfg and cfg['api_base'] != 'none' and cfg['api_base'] != '':
+            self.api_base = cfg['api_base']
+            logger.info(f"设置 api_base 为: {self.api_base}")
+
+        # 创建 OpenAI Client
+        self.client = AsyncOpenAI(
+            api_key=self.key_list[0],
+            base_url=self.api_base
+        )
+
+        self.openai_model_configs: dict = cfg['chatGPTConfigs']
+        self.openai_configs = cfg
+        # 会话缓存
+        self.session_dict = {}
+        # 最大缓存token
+        self.max_tokens = cfg['total_tokens_limit']
+        # 历史记录持久化间隔时间
+        self.history_dump_interval = 20
+
+        self.enc = tiktoken.get_encoding("cl100k_base")
+
+        # 从 SQLite DB 读取历史记录
+        try:
+            db1 = dbConn()
+            for session in db1.get_all_session():
+                self.session_dict[session[0]] = json.loads(session[1])['data']
+            logger.info("读取历史记录成功。")
+        except BaseException as e:
+            logger.info("读取历史记录失败，但不影响使用。")
+
+        # 创建转储定时器线程
+        threading.Thread(target=self.dump_history, daemon=True).start()
+
+        # 人格
+        self.curr_personality = {}
+        
+    def make_tmp_client(self, api_key: str, base_url: str):
+        return AsyncOpenAI(
+            api_key=api_key,
+            base_url=base_url
+        )
+
+    # 转储历史记录
+    def dump_history(self):
+        time.sleep(10)
+        db = dbConn()
+        while True:
+            try:
+                # print("转储历史记录...")
+                for key in self.session_dict:
+                    data = self.session_dict[key]
+                    data_json = {
+                        'data': data
+                    }
+                    if db.check_session(key):
+                        db.update_session(key, json.dumps(data_json))
+                    else:
+                        db.insert_session(key, json.dumps(data_json))
+                # print("转储历史记录完毕")
+            except BaseException as e:
+                print(e)
+            # 每隔10分钟转储一次
+            time.sleep(10*self.history_dump_interval)
+
+    def personality_set(self, default_personality: dict, session_id: str):
+        self.curr_personality = default_personality
+        new_record = {
+            "user": {
+                "role": "user",
+                "content": default_personality['prompt'],
+            },
+            "AI": {
+                "role": "assistant",
+                "content": "好的，接下来我会扮演这个角色。"
+            },
+            'type': "personality",
+            'usage_tokens': 0,
+            'single-tokens': 0
+        }
+        self.session_dict[session_id].append(new_record)
+
+    async def text_chat(self, prompt,
+                        session_id=None,
+                        image_url=None,
+                        function_call=None,
+                        extra_conf: dict = None,
+                        default_personality: dict = None):
+        if session_id is None:
+            session_id = "unknown"
+            if "unknown" in self.session_dict:
+                del self.session_dict["unknown"]
+        # 会话机制
+        if session_id not in self.session_dict:
+            self.session_dict[session_id] = []
+
+        if len(self.session_dict[session_id]) == 0:
+            # 设置默认人格
+            if default_personality is not None:
+                self.personality_set(default_personality, session_id)
+
+        # 使用 tictoken 截断消息
+        _encoded_prompt = self.enc.encode(prompt)
+        if self.openai_model_configs['max_tokens'] < len(_encoded_prompt):
+            prompt = self.enc.decode(_encoded_prompt[:int(
+                self.openai_model_configs['max_tokens']*0.80)])
+            logger.info(f"注意，有一部分 prompt 文本由于超出 token 限制而被截断。")
+
+        cache_data_list, new_record, req = self.wrap(
+            prompt, session_id, image_url)
+        logger.debug(f"cache: {str(cache_data_list)}")
+        logger.debug(f"request: {str(req)}")
+        retry = 0
+        response = None
+        err = ''
+
+        # 截断倍率
+        truncate_rate = 0.75
+
+        conf = self.openai_model_configs
+        if extra_conf is not None:
+            conf.update(extra_conf)
+
+        while retry < 10:
+            try:
+                if function_call is None:
+                    response = await self.client.chat.completions.create(
+                        messages=req,
+                        **conf
+                    )
+                else:
+                    response = await self.client.chat.completions.create(
+                        messages=req,
+                        tools=function_call,
+                        **conf
+                    )
+                break
+            except Exception as e:
+                traceback.print_exc()
+                if 'Invalid content type. image_url is only supported by certain models.' in str(e):
+                    raise e
+                if 'You exceeded' in str(e) or 'Billing hard limit has been reached' in str(e) or 'No API key provided' in str(e) or 'Incorrect API key provided' in str(e):
+                    logger.info("当前 Key 已超额或异常, 正在切换",
+                                    )
+                    self.key_stat[self.client.api_key]['exceed'] = True
+                    is_switched = self.handle_switch_key()
+                    if not is_switched:
+                        raise e
+                    retry -= 1
+                elif 'maximum context length' in str(e):
+                    logger.info("token 超限, 清空对应缓存，并进行消息截断")
+                    self.session_dict[session_id] = []
+                    prompt = prompt[:int(len(prompt)*truncate_rate)]
+                    truncate_rate -= 0.05
+                    cache_data_list, new_record, req = self.wrap(
+                        prompt, session_id)
+
+                elif 'Limit: 3 / min. Please try again in 20s.' in str(e) or "OpenAI response error" in str(e):
+                    time.sleep(30)
+                    continue
+                else:
+                    logger.error(str(e))
+                time.sleep(2)
+                err = str(e)
+                retry += 1
+        if retry >= 10:
+            logger.warning(
+                r"如果报错, 且您的机器在中国大陆内, 请确保您的电脑已经设置好代理软件(梯子), 并在配置文件设置了系统代理地址。详见 https://github.com/Soulter/QQChannelChatGPT/wiki")
+            raise BaseException("连接出错: "+str(err))
+        assert isinstance(response, ChatCompletion)
+        logger.debug(
+            f"OPENAI RESPONSE: {response.usage}")
+
+        # 结果分类
+        choice = response.choices[0]
+        if choice.message.content != None:
+            # 文本形式
+            chatgpt_res = str(choice.message.content).strip()
+        elif choice.message.tool_calls != None and len(choice.message.tool_calls) > 0:
+            # tools call (function calling)
+            return choice.message.tool_calls[0].function
+
+        self.key_stat[self.client.api_key]['used'] += response.usage.total_tokens
+        current_usage_tokens = response.usage.total_tokens
+
+        # 超过指定tokens， 尽可能的保留最多的条目，直到小于max_tokens
+        if current_usage_tokens > self.max_tokens:
+            t = current_usage_tokens
+            index = 0
+            while t > self.max_tokens:
+                if index >= len(cache_data_list):
+                    break
+                # 保留人格信息
+                if cache_data_list[index]['type'] != 'personality':
+                    t -= int(cache_data_list[index]['single_tokens'])
+                    del cache_data_list[index]
+                else:
+                    index += 1
+            # 删除完后更新相关字段
+            self.session_dict[session_id] = cache_data_list
+
+        # 添加新条目进入缓存的prompt
+        new_record['AI'] = {
+            'role': 'assistant',
+            'content': chatgpt_res,
+        }
+        new_record['usage_tokens'] = current_usage_tokens
+        if len(cache_data_list) > 0:
+            new_record['single_tokens'] = current_usage_tokens - \
+                int(cache_data_list[-1]['usage_tokens'])
+        else:
+            new_record['single_tokens'] = current_usage_tokens
+
+        cache_data_list.append(new_record)
+
+        self.session_dict[session_id] = cache_data_list
+
+        return chatgpt_res
+
+    async def image_chat(self, prompt, img_num=1, img_size="1024x1024"):
+        retry = 0
+        image_url = ''
+
+        image_generate_configs = self.cc.get("openai_image_generate", None)
+
+        while retry < 5:
+            try:
+                response: ImagesResponse = await self.client.images.generate(
+                    prompt=prompt,
+                    **image_generate_configs
+                )
+                image_url = []
+                for i in range(img_num):
+                    image_url.append(response.data[i].url)
+                break
+            except Exception as e:
+                logger.warning(str(e))
+                if 'You exceeded' in str(e) or 'Billing hard limit has been reached' in str(
+                        e) or 'No API key provided' in str(e) or 'Incorrect API key provided' in str(e):
+                    logger.warning("当前 Key 已超额或者不正常, 正在切换")
+                    self.key_stat[self.client.api_key]['exceed'] = True
+                    is_switched = self.handle_switch_key()
+                    if not is_switched:
+                        raise e
+                elif 'Your request was rejected as a result of our safety system.' in str(e):
+                    logger.warning("您的请求被 OpenAI 安全系统拒绝, 请稍后再试")
+                    raise e
+                else:
+                    retry += 1
+        if retry >= 5:
+            raise BaseException("连接超时")
+
+        return image_url
+
+    async def forget(self, session_id=None) -> bool:
+        if session_id is None:
+            return False
+        self.session_dict[session_id] = []
+        return True
+
+    def get_prompts_by_cache_list(self, cache_data_list, divide=False, paging=False, size=5, page=1):
+        '''
+        获取缓存的会话
+        '''
+        prompts = ""
+        if paging:
+            page_begin = (page-1)*size
+            page_end = page*size
+            if page_begin < 0:
+                page_begin = 0
+            if page_end > len(cache_data_list):
+                page_end = len(cache_data_list)
+            cache_data_list = cache_data_list[page_begin:page_end]
+        for item in cache_data_list:
+            prompts += str(item['user']['role']) + ":\n" + \
+                str(item['user']['content']) + "\n"
+            prompts += str(item['AI']['role']) + ":\n" + \
+                str(item['AI']['content']) + "\n"
+
+            if divide:
+                prompts += "----------\n"
+        return prompts
+
+    def wrap(self, prompt, session_id, image_url=None):
+        if image_url is not None:
+            prompt = [
+                {
+                    "type": "text",
+                    "text": prompt
+                },
+                {
+                    "type": "image_url",
+                    "image_url": {
+                        "url": image_url
+                    }
+                }
+            ]
+        # 获得缓存信息
+        context = self.session_dict[session_id]
+        new_record = {
+            "user": {
+                "role": "user",
+                "content": prompt,
+            },
+            "AI": {},
+            'type': "common",
+            'usage_tokens': 0,
+        }
+        req_list = []
+        for i in context:
+            if 'user' in i:
+                req_list.append(i['user'])
+            if 'AI' in i:
+                req_list.append(i['AI'])
+        req_list.append(new_record['user'])
+        return context, new_record, req_list
+
+    def handle_switch_key(self):
+        is_all_exceed = True
+        for key in self.key_stat:
+            if key == None or self.key_stat[key]['exceed']:
+                continue
+            is_all_exceed = False
+            self.client.api_key = key
+            logger.warning(
+                f"切换到 Key: {key}(已使用 token: {self.key_stat[key]['used']})")
+            break
+        if is_all_exceed:
+            logger.warning(
+                "所有 Key 已超额")
+            return False
+        return True
+
+    def get_configs(self):
+        return self.openai_configs
+
+    def get_key_stat(self):
+        return self.key_stat
+
+    def get_key_list(self):
+        return self.key_list
+
+    def get_curr_key(self):
+        return self.client.api_key
+
+    def set_key(self, key):
+        self.client.api_key = key
+
+    # 添加key
+    def append_key(self, key, sponsor):
+        self.key_list.append(key)
+        self.key_stat[key] = {'exceed': False, 'used': 0, 'sponsor': sponsor}
+
+    # 检查key是否可用
+    async def check_key(self, key):
+        client_ = AsyncOpenAI(
+            api_key=key,
+            base_url=self.api_base
+        )
+        messages = [{"role": "user", "content": "please just echo `test`"}]
+        await client_.chat.completions.create(
+            messages=messages,
+            **self.openai_model_configs
+        )
+        return True
diff --git a/model/provider/provider.py b/model/provider/provider.py
index f2a80202..022ffbed 100644
--- a/model/provider/provider.py
+++ b/model/provider/provider.py
@@ -3,7 +3,7 @@ class Provider:
                         prompt: str,
                         session_id: str,
                         image_url: None,
-                        function_call: None,
+                        tools: None,
                         extra_conf: dict = None,
                         default_personality: dict = None,
                         **kwargs) -> str:
@@ -14,7 +14,7 @@ class Provider:
 
         [optional]
         image_url: 图片url（识图）
-        function_call: 函数调用
+        tools: 函数调用工具
         extra_conf: 额外配置
         default_personality: 默认人格
         '''
diff --git a/util/general_utils.py b/util/general_utils.py
index 33a77266..c9a3e749 100644
--- a/util/general_utils.py
+++ b/util/general_utils.py
@@ -1,19 +1,23 @@
-import datetime
 import time
 import socket
-from PIL import Image, ImageDraw, ImageFont
 import os
 import re
 import requests
-from util.cmd_config import CmdConfig
+import aiohttp
 import socket
-from cores.astrbot.types import GlobalObject
 import platform
-import logging
 import json
 import sys
 import psutil
 
+from PIL import Image, ImageDraw, ImageFont
+from cores.astrbot.types import GlobalObject
+from SparkleLogging.utils.core import LogManager
+from logging import Logger
+
+logger: Logger = LogManager.GetLogger(log_name='astrbot-core')
+
+
 def port_checker(port: int, host: str = "localhost"):
     sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     sk.settimeout(1)
@@ -355,10 +359,23 @@ def save_temp_img(img: Image) -> str:
 
     # 获得时间戳
     timestamp = int(time.time())
-    p = f"temp/{timestamp}.png"
+    p = f"temp/{timestamp}.jpg"
     img.save(p)
     return p
 
+async def download_image_by_url(url: str) -> str:
+    '''
+    下载图片
+    '''
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(url) as resp:
+                img = Image.open(await resp.read())
+                p = save_temp_img(img)
+                return p
+    except Exception as e:
+        raise e
+
 
 def create_text_image(title: str, text: str, max_width=30, font_size=20):
     '''
@@ -455,6 +472,21 @@ def upload(_global_object: GlobalObject):
             pass
         time.sleep(10*60)
 
+def retry(n: int = 3):
+    '''
+    重试装饰器
+    '''
+    def decorator(func):
+        def wrapper(*args, **kwargs):
+            for i in range(n):
+                try:
+                    return func(*args, **kwargs)
+                except Exception as e:
+                    if i == n-1: raise e
+                    logger.warning(f"函数 {func.__name__} 第 {i+1} 次重试... {e}")
+        return wrapper
+    return decorator
+
 
 def run_monitor(global_object: GlobalObject):
     '''