diff --git a/README.md b/README.md
index 121dfbe6..056c6678 100644
--- a/README.md
+++ b/README.md
@@ -143,12 +143,13 @@ server:
   支持 EdgeTTS（默认）、火山引擎豆包 TTS 等多种 TTS 接口，满足语音合成需求。
 - **记忆功能**  
   支持超长记忆、本地总结记忆、无记忆三种模式，满足不同场景需求。
+- **IOT功能**  
+  支持管理注册设备IOT功能，支持基于对话上下文语境下的智能物联网控制。
 
 ### 正在开发 🚧
 
 - 多种心情模式
 - 智控台webui
-- iot功能
 
 想了解具体开发进度，[请点击这里](https://github.com/users/xinnan-tech/projects/3)
 
diff --git a/main/xiaozhi-server/config.yaml b/main/xiaozhi-server/config.yaml
index 21f37c5b..689b93fb 100644
--- a/main/xiaozhi-server/config.yaml
+++ b/main/xiaozhi-server/config.yaml
@@ -35,10 +35,7 @@ log:
   log_file: "server.log"
   # 设置数据文件路径
   data_dir: data
-iot:
-  Speaker:
-    # 设置esp32的音量，范围0-100
-    volume: 80
+
 xiaozhi:
   type: hello
   version: 1
diff --git a/main/xiaozhi-server/core/connection.py b/main/xiaozhi-server/core/connection.py
index adb52c1f..2ea7ac06 100644
--- a/main/xiaozhi-server/core/connection.py
+++ b/main/xiaozhi-server/core/connection.py
@@ -458,7 +458,7 @@ class ConnectionHandler:
             future = self.executor.submit(self.speak_and_play, text, text_index)
             self.tts_queue.put(future)
             self.dialogue.put(Message(role="assistant", content=text))
-        if result.action == Action.REQLLM: # 调用函数后再请求llm生成回复
+        elif result.action == Action.REQLLM: # 调用函数后再请求llm生成回复
             
             text = result.result
             if text is not None and len(text) > 0:
@@ -473,9 +473,10 @@ class ConnectionHandler:
 
                 self.dialogue.put(Message(role="tool", tool_call_id=function_id, content=text))
                 self.chat_with_function_calling(text, tool_call=True)
-        if result.action == Action.NOTFOUND:
+        elif result.action == Action.NOTFOUND:
+            text = result.response
+        else:
             text = result.response
-
         
 
     def _tts_priority_thread(self):
diff --git a/main/xiaozhi-server/core/handle/functionHandler.py b/main/xiaozhi-server/core/handle/functionHandler.py
index 8d54fe8a..c7449973 100644
--- a/main/xiaozhi-server/core/handle/functionHandler.py
+++ b/main/xiaozhi-server/core/handle/functionHandler.py
@@ -50,6 +50,7 @@ class FunctionHandler:
         self.function_registry.register_function("play_music")
         self.function_registry.register_function("plugin_loader")
         self.function_registry.register_function("get_time")
+        self.function_registry.register_function("raise_and_lower_the_volume")
 
     def register_config_functions(self):
         """注册配置中的函数,可以不同客户端使用不同的配置"""
@@ -69,7 +70,7 @@ class FunctionHandler:
             arguments = function_call_data["arguments"]
             arguments = json.loads(arguments) if arguments else {}
             logger.bind(tag=TAG).info(f"调用函数: {function_name}, 参数: {arguments}")
-            if funcItem.type == ToolType.SYSTEM_CTL:
+            if funcItem.type == ToolType.SYSTEM_CTL or funcItem.type == ToolType.IOT_CTL:
                 return func(conn, **arguments)
             elif funcItem.type == ToolType.WAIT:
                 return func(**arguments)
diff --git a/main/xiaozhi-server/core/handle/iotHandle.py b/main/xiaozhi-server/core/handle/iotHandle.py
index 05d32d5a..9def78cd 100644
--- a/main/xiaozhi-server/core/handle/iotHandle.py
+++ b/main/xiaozhi-server/core/handle/iotHandle.py
@@ -1,24 +1,151 @@
 import json
+import asyncio
 from config.logger import setup_logging
+from plugins_func.register import device_type_registry, register_function, ActionResponse, Action, ToolType
 
 TAG = __name__
 logger = setup_logging()
 
 
+def wrap_async_function(async_func):
+    """包装异步函数为同步函数"""
+
+    def wrapper(*args, **kwargs):
+        try:
+            # 获取连接对象（第一个参数）
+            conn = args[0]
+            if not hasattr(conn, 'loop'):
+                logger.bind(tag=TAG).error("Connection对象没有loop属性")
+                return ActionResponse(Action.ERROR, "Connection对象没有loop属性",
+                                      "执行操作时出错: Connection对象没有loop属性")
+
+            # 使用conn对象中的事件循环
+            loop = conn.loop
+            # 在conn的事件循环中运行异步函数
+            future = asyncio.run_coroutine_threadsafe(async_func(*args, **kwargs), loop)
+            # 等待结果返回
+            return future.result()
+        except Exception as e:
+            logger.bind(tag=TAG).error(f"运行异步函数时出错: {e}")
+            return ActionResponse(Action.ERROR, str(e), f"执行操作时出错: {e}")
+
+    return wrapper
+
+
+def create_iot_function(device_name, method_name, method_info):
+    """
+    根据IOT设备描述生成通用的控制函数
+    """
+
+    async def iot_control_function(conn, response_success=None, response_failure=None, **params):
+        try:
+            # 打印响应参数
+            logger.bind(tag=TAG).info(
+                f"控制函数接收到的响应参数: success='{response_success}', failure='{response_failure}'")
+
+            # 发送控制命令
+            await send_iot_conn(conn, device_name, method_name, params)
+            # 等待一小段时间让状态更新
+            await asyncio.sleep(0.1)
+
+            # 生成结果信息
+            result = f"{device_name}的{method_name}操作执行成功"
+
+            # 根据方法名尝试自动更新状态
+            await update_state_by_method(conn, device_name, method_name, params)
+
+            # 处理响应中可能的占位符
+            response = response_success
+            # 替换{value}占位符
+            for param_name, param_value in params.items():
+                # 先尝试直接替换参数值
+                if "{" + param_name + "}" in response:
+                    response = response.replace("{" + param_name + "}", str(param_value))
+
+                # 如果有{value}占位符，用相关参数替换
+                if "{value}" in response:
+                    response = response.replace("{value}", str(param_value))
+                    break
+
+            return ActionResponse(Action.RESPONSE, result, response)
+        except Exception as e:
+            logger.bind(tag=TAG).error(f"执行{device_name}的{method_name}操作失败: {e}")
+
+            # 操作失败时使用大模型提供的失败响应
+            response = response_failure
+
+            return ActionResponse(Action.ERROR, str(e), response)
+
+    return wrap_async_function(iot_control_function)
+
+
+def create_iot_query_function(device_name, prop_name, prop_info):
+    """
+    根据IOT设备属性创建查询函数
+    """
+
+    async def iot_query_function(conn, response_success=None, response_failure=None):
+        try:
+            # 打印响应参数
+            logger.bind(tag=TAG).info(
+                f"查询函数接收到的响应参数: success='{response_success}', failure='{response_failure}'")
+
+            value = await get_iot_status(conn, device_name, prop_name)
+
+            # 查询成功，生成结果
+            if value is not None:
+                # 使用大模型提供的成功响应，并替换其中的占位符
+                response = response_success.replace("{value}", str(value))
+
+                return ActionResponse(Action.RESPONSE, str(value), response)
+            else:
+                # 查询失败，使用大模型提供的失败响应
+                response = response_failure
+
+                return ActionResponse(Action.ERROR, f"属性{prop_name}不存在", response)
+        except Exception as e:
+            logger.bind(tag=TAG).error(f"查询{device_name}的{prop_name}时出错: {e}")
+
+            # 查询出错时使用大模型提供的失败响应
+            response = response_failure
+
+            return ActionResponse(Action.ERROR, str(e), response)
+
+    return wrap_async_function(iot_query_function)
+
+
+async def update_state_by_method(conn, device_name, method_name, params):
+    """根据方法和参数自动更新设备状态"""
+    try:
+        # 规则1: 方法名为TurnOn，设置power为True
+        if method_name == "TurnOn":
+            await set_iot_status(conn, device_name, "power", True)
+
+        # 规则2: 方法名为TurnOff，设置power为False
+        elif method_name == "TurnOff":
+            await set_iot_status(conn, device_name, "power", False)
+
+        # 规则3: Set开头的方法，尝试更新对应参数
+        elif method_name.startswith("Set"):
+            # 从参数中找到可能的状态值
+            for param_name, param_value in params.items():
+                # 尝试更新对应名称的属性
+                await set_iot_status(conn, device_name, param_name, param_value)
+
+        # 其他方法，尝试直接从参数更新状态
+        else:
+            for param_name, param_value in params.items():
+                # 检查设备是否有此属性
+                status = await get_iot_status(conn, device_name, param_name)
+                if status is not None:  # 属性存在
+                    await set_iot_status(conn, device_name, param_name, param_value)
+    except Exception as e:
+        logger.bind(tag=TAG).warning(f"自动更新状态失败: {e}")
+
+
 class IotDescriptor:
     """
     A class to represent an IoT descriptor.
-    Attributes:
-    ----------
-    name : str
-        The name of the IoT descriptor.
-    description : str
-        A brief description of the IoT descriptor.
-    properties : dict
-        A dictionary containing properties of the IoT descriptor.
-    methods : dict
-        A dictionary containing methods of the IoT descriptor.
-    -------
     """
 
     def __init__(self, name, description, properties, methods):
@@ -29,17 +156,7 @@ class IotDescriptor:
 
         # 根据描述创建属性
         for key, value in properties.items():
-            # "volume":{"description":"当前音量 值","type":"number"}
-            """
-            等价于
-            {
-                'name': 名字,
-                'description': 描述,
-                'value': 0
-            }
-            """
-            # setattr(self, key, {}) # 创建一个空字典, 名字是属性名
-            property_item = globals()[key] = {}  # 创建一个空字典, 名字是属性名
+            property_item = globals()[key] = {}
             property_item['name'] = key
             property_item["description"] = value["description"]
             if value["type"] == "number":
@@ -52,23 +169,10 @@ class IotDescriptor:
 
         # 根据描述创建方法
         for key, value in methods.items():
-            # "SetVolume": {"description":"设置音量","parameters":{"volume":{"description":"0到100之间的整数","type":"number"}}}
-            """
-            等价于
-            SetVolume = {
-                `description`: 描述,
-                `volume`: {
-                    `description`: 描述,
-                    `value`: 0
-                }
-            }
-            """
-            # setattr(self, key, {}) # 创建一个空字典, 名字是方法名
-            method = globals()[key] = {}  # 创建一个空字典, 名字是方法名
+            method = globals()[key] = {}
             method["description"] = value["description"]
             method['name'] = key
             for k, v in value["parameters"].items():
-                # 不同的参数解析
                 method[k] = {}
                 method[k]["description"] = v["description"]
                 if v["type"] == "number":
@@ -77,58 +181,136 @@ class IotDescriptor:
                     method[k]["value"] = False
                 else:
                     method[k]["value"] = ""
-
             self.methods.append(method)
 
 
-async def handleIotDescriptors(conn, descriptors):
-    """
-    处理物联网描述
-    示例: [{
-        "name":"Speaker",
-        "description":"当前 AI 机器人的扬声器",
-        "properties":{
-            "volume":{"description":"当前音量 值","type":"number"}  可以有boolean, number, string三种类型
-        },
-        "methods":{
-            "SetVolume":{
-                "description":"设置音量","parameters":{"volume":{"description":"0到100之间的整数","type":"number"}}
+def register_device_type(descriptor):
+    """注册设备类型及其功能"""
+    device_name = descriptor["name"]
+    type_id = device_type_registry.generate_device_type_id(descriptor)
+
+    # 如果该类型已注册，直接返回类型ID
+    if type_id in device_type_registry.type_functions:
+        return type_id
+
+    functions = {}
+
+    # 为每个属性创建查询函数
+    for prop_name, prop_info in descriptor["properties"].items():
+        func_name = f"get_{device_name.lower()}_{prop_name.lower()}"
+        func_desc = {
+            "type": "function",
+            "function": {
+                "name": func_name,
+                "description": f"查询{descriptor['description']}的{prop_info['description']}",
+                "parameters": {
+                    "type": "object",
+                    "properties": {
+                        "response_success": {
+                            "type": "string",
+                            "description": f"查询成功时的友好回复，必须使用{{value}}作为占位符表示查询到的值"
+                        },
+                        "response_failure": {
+                            "type": "string",
+                            "description": "查询失败时的友好回复，例如：'无法获取{device_name}的{prop_info['description']}'"
+                        }
+                    },
+                    "required": ["response_success", "response_failure"]
+                }
             }
         }
-    }]
-    descriptors: 描述列表
-    """
+        query_func = create_iot_query_function(device_name, prop_name, prop_info)
+        decorated_func = register_function(func_name, func_desc, ToolType.IOT_CTL)(query_func)
+        functions[func_name] = decorated_func
+
+    # 为每个方法创建控制函数
+    for method_name, method_info in descriptor["methods"].items():
+        func_name = f"{device_name.lower()}_{method_name.lower()}"
+
+        # 创建参数字典，添加原有参数
+        parameters = {
+            param_name: {
+                "type": param_info["type"],
+                "description": param_info["description"]
+            }
+            for param_name, param_info in method_info["parameters"].items()
+        }
+
+        # 添加响应参数
+        parameters.update({
+            "response_success": {
+                "type": "string",
+                "description": "操作成功时的友好回复,关于该设备的操作结果，设备名称尽量使用description中的名称"
+            },
+            "response_failure": {
+                "type": "string",
+                "description": "操作失败时的友好回复,关于该设备的操作结果，设备名称尽量使用description中的名称"
+            }
+        })
+
+        # 构建必须参数列表（原有参数 + 响应参数）
+        required_params = list(method_info["parameters"].keys())
+        required_params.extend(["response_success", "response_failure"])
+
+        func_desc = {
+            "type": "function",
+            "function": {
+                "name": func_name,
+                "description": f"{descriptor['description']} - {method_info['description']}",
+                "parameters": {
+                    "type": "object",
+                    "properties": parameters,
+                    "required": required_params
+                }
+            }
+        }
+        control_func = create_iot_function(device_name, method_name, method_info)
+        decorated_func = register_function(func_name, func_desc, ToolType.IOT_CTL)(control_func)
+        functions[func_name] = decorated_func
+
+    device_type_registry.register_device_type(type_id, functions)
+    return type_id
+
+
+# 用于接受前端设备推送的搜索iot描述
+async def handleIotDescriptors(conn, descriptors):
+    """处理物联网描述"""
+    functions_changed = False
+
     for descriptor in descriptors:
+        # 创建IOT设备描述符
         iot_descriptor = IotDescriptor(descriptor["name"], descriptor["description"], descriptor["properties"],
                                        descriptor["methods"])
         conn.iot_descriptors[descriptor["name"]] = iot_descriptor
 
-    # 暂时从配置文件中设置音量，后期通过意图识别控制音量
-    default_iot_volume = 100
-    if "iot" in conn.config:
-        default_iot_volume = conn.config["iot"]["Speaker"]["volume"]
-    logger.bind(tag=TAG).info(f"服务端设置音量为{default_iot_volume}")
-    await send_iot_conn(conn, "Speaker", "SetVolume", {"volume": default_iot_volume})
+        if conn.use_function_call_mode:
+            # 注册或获取设备类型
+            type_id = register_device_type(descriptor)
+            device_functions = device_type_registry.get_device_functions(type_id)
+
+            # 在连接级注册设备函数
+            if hasattr(conn, 'func_handler'):
+                for func_name in device_functions:
+                    conn.func_handler.function_registry.register_function(func_name)
+                    logger.bind(tag=TAG).info(f"注册IOT函数到function handler: {func_name}")
+                    functions_changed = True
+
+    # 如果注册了新函数，更新function描述列表
+    if functions_changed and hasattr(conn, 'func_handler'):
+        conn.func_handler.upload_functions_desc()
+        func_names = conn.func_handler.current_support_functions()
+        logger.bind(tag=TAG).info(f"设备类型: {type_id}")
+        logger.bind(tag=TAG).info(f"更新function描述列表完成，当前支持的函数: {func_names}")
+
+
 async def handleIotStatus(conn, states):
-    """
-    处理物联网状态
-    示例: [{
-        "name":"Speaker",
-        "state":{
-            "volume":100
-        }
-    }]
-    states: 状态列表
-    """
+    """处理物联网状态"""
     for state in states:
         for key, value in conn.iot_descriptors.items():
             if key == state["name"]:
                 for property_item in value.properties:
-                    # properties为字典列表, 记录各种属性
                     for k, v in state["state"].items():
-                        # state为字典, 记录各种属性的值, 是需要记录的信息
                         if property_item["name"] == k:
-                            # 检查一下属性是不是相同的
                             if type(v) != type(property_item["value"]):
                                 logger.bind(tag=TAG).error(f"属性{property_item['name']}的值类型不匹配")
                                 break
@@ -138,41 +320,35 @@ async def handleIotStatus(conn, states):
                             break
                 break
 
+
 async def get_iot_status(conn, name, property_name):
-    """
-    获取物联网状态
-    name: 设备名称 "Speaker"
-    property_name: 属性名称 "volume"
-    返回值: 属性值, 实际的属性有int, bool和str三种类型
-    """
+    """获取物联网状态"""
     for key, value in conn.iot_descriptors.items():
         if key == name:
             for property_item in value.properties:
                 if property_item["name"] == property_name:
                     return property_item["value"]
+    logger.bind(tag=TAG).warning(f"未找到设备 {name} 的属性 {property_name}")
     return None
 
-async def send_iot_conn(conn, name, method_name, parameters):
-    """
-    发送物联网指令
-    name: 设备名称 "Speaker"
-    method: 方法 "SetVolume"
-    parameters: 参数, 是一个字典 {"volume": 100}
-    发送示例:
-    {
-        "type": "iot",
-        "commands": [
-            {
-                "name" :  "Speaker",
-                "method": "SetVolume",
-                "parameters": {
-                    "volume": 100
-                    }
-            }
-        ]
-    }
-    """
 
+async def set_iot_status(conn, name, property_name, value):
+    """设置物联网状态"""
+    for key, iot_descriptor in conn.iot_descriptors.items():
+        if key == name:
+            for property_item in iot_descriptor.properties:
+                if property_item["name"] == property_name:
+                    if type(value) != type(property_item["value"]):
+                        logger.bind(tag=TAG).error(f"属性{property_item['name']}的值类型不匹配")
+                        return
+                    property_item["value"] = value
+                    logger.bind(tag=TAG).info(f"物联网状态更新: {name} , {property_name} = {value}")
+                    return
+    logger.bind(tag=TAG).warning(f"未找到设备 {name} 的属性 {property_name}")
+
+
+async def send_iot_conn(conn, name, method_name, parameters):
+    """发送物联网指令"""
     for key, value in conn.iot_descriptors.items():
         if key == name:
             # 找到了设备
diff --git a/main/xiaozhi-server/core/providers/tts/gpt_sovits_v3.py b/main/xiaozhi-server/core/providers/tts/gpt_sovits_v3.py
index befb14bc..ebfb12f1 100644
--- a/main/xiaozhi-server/core/providers/tts/gpt_sovits_v3.py
+++ b/main/xiaozhi-server/core/providers/tts/gpt_sovits_v3.py
@@ -22,7 +22,7 @@ class TTSProvider(TTSProviderBase):
         self.cut_punc = config.get("cut_punc","")
         self.speed = config.get("speed", 1.0)
         self.inp_refs = config.get("inp_refs",[])
-        self.sample_steps = config.get("inp_refs",32)
+        self.sample_steps = config.get("sample_steps",32)
         self.if_sr = config.get("if_sr",False)
 
 
diff --git a/main/xiaozhi-server/plugins_func/functions/play_music.py b/main/xiaozhi-server/plugins_func/functions/play_music.py
index b9220ea5..75f3834d 100644
--- a/main/xiaozhi-server/plugins_func/functions/play_music.py
+++ b/main/xiaozhi-server/plugins_func/functions/play_music.py
@@ -112,7 +112,6 @@ def get_music_files(music_dir, music_ext):
 def initialize_music_handler(conn):
     global MUSIC_CACHE
     if MUSIC_CACHE == {}:
-        logger.bind(tag=TAG).info(f"实例化音乐:")
         if "music" in conn.config:
             MUSIC_CACHE["music_config"] = conn.config["music"]
             MUSIC_CACHE["music_dir"] = os.path.abspath(
diff --git a/main/xiaozhi-server/plugins_func/functions/raise_and_lower_the_volume.py b/main/xiaozhi-server/plugins_func/functions/raise_and_lower_the_volume.py
new file mode 100644
index 00000000..2a5aa965
--- /dev/null
+++ b/main/xiaozhi-server/plugins_func/functions/raise_and_lower_the_volume.py
@@ -0,0 +1,62 @@
+from config.logger import setup_logging
+from plugins_func.register import register_function, ToolType, ActionResponse, Action
+from core.handle.iotHandle import get_iot_status, send_iot_conn
+import asyncio
+
+TAG = __name__
+logger = setup_logging()
+
+raise_and_lower_the_volume_function_desc = {
+    "type": "function",
+    "function": {
+        "name": "raise_and_lower_the_volume",
+        "description": "用户觉得声音过高或过低，或者用户想提高或降低音量。比如用户说太大声了，参数为：lower，比如用户说提高音量，参数为：raise",
+        "parameters": {
+            "type": "object",
+            "properties": {
+                "action": {
+                    "type": "string",
+                    "description": "动作名称，要么是raise，要么是lower"
+                }
+            },
+            "required": ["action"]
+        }
+    }
+}
+
+
+@register_function('raise_and_lower_the_volume', raise_and_lower_the_volume_function_desc, ToolType.IOT_CTL)
+def raise_and_lower_the_volume(conn, action: str):
+    """
+    获取当前设备音量
+    """
+
+    future = asyncio.run_coroutine_threadsafe(
+        _raise_and_lower_the_volume(conn, action),
+        conn.loop
+    )
+
+    try:
+        new_volume = future.result()  # 同步等待异步操作完成
+        logger.bind(tag=TAG).info(f"音量操作完成: {new_volume}")
+        response = f"音量已调整到{new_volume}"
+    except Exception as e:
+        logger.bind(tag=TAG).error(f"音量操作失败: {e}")
+        response = f"音量调整失败: {e}"
+
+    return ActionResponse(action=Action.RESPONSE, result="指令已接收", response=response)
+
+
+async def _raise_and_lower_the_volume(conn, action):
+    volume = await get_iot_status(conn, "Speaker", "volume")
+    if action == 'raise':
+        volume += 10
+    elif action == 'lower':
+        volume -= 10
+    # 限制音量范围在0到100之间
+    if volume < 0:
+        volume = 0
+    elif volume > 100:
+        volume = 100
+    await send_iot_conn(conn, "Speaker", "SetVolume", {"volume": volume})
+    return volume
diff --git a/main/xiaozhi-server/plugins_func/register.py b/main/xiaozhi-server/plugins_func/register.py
index 4c6db461..ccb03b44 100644
--- a/main/xiaozhi-server/plugins_func/register.py
+++ b/main/xiaozhi-server/plugins_func/register.py
@@ -11,6 +11,7 @@ class ToolType(Enum):
     WAIT = (2, "调用工具，等待函数返回")
     CHANGE_SYS_PROMPT = (3, "修改系统提示词，切换角色性格或职责")
     SYSTEM_CTL = (4, "系统控制，影响正常的对话流程，如退出、播放音乐等，需要传递conn参数")
+    IOT_CTL = (5, "IOT设备控制，需要传递conn参数")
 
     def __init__(self, code, message):
         self.code = code
@@ -18,6 +19,7 @@ class ToolType(Enum):
 
 
 class Action(Enum):
+    ERROR = (-1, "错误")
     NOTFOUND = (0, "没有找到函数")
     NONE = (1, "啥也不干")
     RESPONSE = (2, "直接回复")
@@ -40,8 +42,31 @@ class FunctionItem:
         self.func = func
         self.type = type
 
+class DeviceTypeRegistry:
+    """设备类型注册表，用于管理IOT设备类型及其函数"""
+    def __init__(self):
+        self.type_functions = {}  # type_signature -> {func_name: FunctionItem}
+    
+    def generate_device_type_id(self, descriptor):
+        """通过设备能力描述生成类型ID"""
+        properties = sorted(descriptor["properties"].keys())
+        methods = sorted(descriptor["methods"].keys())
+        # 使用属性和方法的组合作为设备类型的唯一标识
+        type_signature = f"{descriptor['name']}:{','.join(properties)}:{','.join(methods)}"
+        return type_signature
+    
+    def get_device_functions(self, type_id):
+        """获取设备类型对应的所有函数"""
+        return self.type_functions.get(type_id, {})
+    
+    def register_device_type(self, type_id, functions):
+        """注册设备类型及其函数"""
+        if type_id not in self.type_functions:
+            self.type_functions[type_id] = functions
+
 # 初始化函数注册字典
 all_function_registry = {}
+device_type_registry = DeviceTypeRegistry()
 
 def register_function(name, desc, type=None):
     """注册函数到函数注册字典的装饰器"""