diff --git a/config/__init__.py b/config/__init__.py
new file mode 100644
index 0000000..63e2768
--- /dev/null
+++ b/config/__init__.py
@@ -0,0 +1,6 @@
+# 配置文件目录
+# 存放不同环境的配置文件
+
+from .config import Config, config
+
+__all__ = ['Config', 'config']
\ No newline at end of file
diff --git a/config/config.py b/config/config.py
new file mode 100644
index 0000000..097631e
--- /dev/null
+++ b/config/config.py
@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+配置模块，用于加载和管理中继器的配置
+"""
+
+import yaml
+import os
+
+
+class Config:
+    """配置类，用于加载和访问配置项"""
+    
+    def __init__(self, config_file="config/config.yaml"):
+        """
+        初始化配置类
+        
+        Args:
+            config_file (str): 配置文件路径
+        """
+        # 获取项目根目录
+        project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+        config_path = os.path.join(project_root, config_file)
+        
+        # 加载配置文件
+        with open(config_path, 'r', encoding='utf-8') as f:
+            self._config = yaml.safe_load(f)
+    
+    @property
+    def simulation_enabled(self):
+        """获取模拟模式是否启用"""
+        return self._config.get('simulation', {}).get('enabled', False)
+    
+    @property
+    def simulation_controllers(self):
+        """获取模拟区域主控设备列表"""
+        return self._config.get('simulation', {}).get('controllers', [])
+    
+    @property
+    def simulation_devices(self):
+        """获取模拟普通设备列表"""
+        return self._config.get('simulation', {}).get('devices', [])
+    
+    @property
+    def websocket_config(self):
+        """获取WebSocket配置"""
+        return self._config.get('websocket', {})
+    
+    @property
+    def websocket_address(self):
+        """获取WebSocket服务器地址"""
+        return self.websocket_config.get('address', '127.0.0.1')
+    
+    @property
+    def websocket_port(self):
+        """获取WebSocket服务器端口"""
+        return self.websocket_config.get('port', 8080)
+
+
+# 全局配置实例
+config = Config()
\ No newline at end of file
diff --git a/config/config.yaml b/config/config.yaml
new file mode 100644
index 0000000..70cdf78
--- /dev/null
+++ b/config/config.yaml
@@ -0,0 +1,69 @@
+# 通信中继器配置文件
+
+# 中继器配置
+relay:
+  # 中继设备唯一标识符，用于WebSocket连接时的身份标识
+  device_id: "1"
+  # 中继器名称
+  name: "猪场1"
+
+# WebSocket配置
+websocket:
+  # WebSocket服务器地址
+  host: "localhost"
+  # WebSocket端口
+  port: 8086
+  # WebSocket请求超时时间(秒)
+  timeout: 5
+
+# 模拟模式配置
+simulation:
+  # 是否开启模拟模式
+  enabled: true
+  # 模拟区域主控设备列表（没有冒号的地址）
+  controllers:
+    - id: "2"
+      name: "猪舍1"
+      type: "pig_pen_controller"
+      lora_address: "121"
+      status: "running"
+    - id: "5"
+      name: "做料1"
+      type: "feed_mill_controller"
+      lora_address: "123"
+      status: "stopped"
+    - id: "8"
+      name: "猪舍2"
+      type: "pig_pen_controller"
+      lora_address: "122"
+      status: "running"
+  # 模拟普通设备列表（带冒号的地址，格式为总线号:总线地址）
+  devices:
+    - id: "3"
+      name: "风机1"
+      type: "fan"
+      rs485_bus: "1"
+      rs485_address: "12"
+      controller_id: "2"
+      status: "stopped"
+    - id: "9"
+      name: "风机2"
+      type: "fan"
+      rs485_bus: "1"
+      rs485_address: "11"
+      controller_id: "2"
+      status: "running"
+    - id: "10"
+      name: "水帘1"
+      type: "water_curtain"
+      rs485_bus: "1"
+      rs485_address: "11"
+      controller_id: "8"
+      status: "stopped"
+    - id: "11"
+      name: "风机3"
+      type: "fan"
+      rs485_bus: "2"
+      rs485_address: "21"
+      controller_id: "2"
+      status: "stopped"
\ No newline at end of file
diff --git a/internal/__init__.py b/internal/__init__.py
new file mode 100644
index 0000000..1c5858b
--- /dev/null
+++ b/internal/__init__.py
@@ -0,0 +1 @@
+# internal package
\ No newline at end of file
diff --git a/internal/core/__init__.py b/internal/core/__init__.py
new file mode 100644
index 0000000..ecd2b36
--- /dev/null
+++ b/internal/core/__init__.py
@@ -0,0 +1,6 @@
+# 核心业务逻辑模块
+# 包含中继器的主要业务逻辑实现
+
+from .relay import RelayService
+
+__all__ = ['RelayService']
\ No newline at end of file
diff --git a/internal/core/relay.py b/internal/core/relay.py
new file mode 100644
index 0000000..a099712
--- /dev/null
+++ b/internal/core/relay.py
@@ -0,0 +1,289 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+中继器核心服务模块
+实现持续运行的中继器服务，处理与平台的通信
+"""
+
+import json
+import logging
+import time
+import threading
+import asyncio
+import websockets
+from datetime import datetime
+from queue import Queue, Empty
+
+from config import config
+from internal.protocol.lora import LoRaHandler
+from internal.protocol.websocket import WebSocketClient
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class RelayService:
+    """中继器服务类"""
+    
+    def __init__(self):
+        """初始化中继器服务"""
+        self.device_id = config._config.get('relay', {}).get('device_id', '1')
+        self.name = config._config.get('relay', {}).get('name', '默认中继器')
+        self.running = False
+        self.lora_handler = None
+        self.websocket_client = None
+        self.command_queue = Queue()
+        self.response_queue = Queue()
+        self.loop = None
+        
+        logger.info(f"初始化中继器服务: ID={self.device_id}, 名称={self.name}")
+    
+    def initialize(self):
+        """初始化中继器服务"""
+        logger.info("开始初始化中继器服务")
+        
+        # 初始化LoRa协议处理器
+        self.lora_handler = LoRaHandler(config)
+        self.lora_handler.initialize()
+        
+        logger.info("中继器服务初始化完成")
+    
+    def start(self):
+        """启动中继器服务"""
+        logger.info("启动中继器服务")
+        self.running = True
+        
+        # 在新线程中运行异步事件循环
+        websocket_thread = threading.Thread(target=self._run_websocket_loop, daemon=True)
+        websocket_thread.start()
+        
+        # 启动命令处理线程
+        command_thread = threading.Thread(target=self._command_loop, daemon=True)
+        command_thread.start()
+        
+        # 主循环
+        self._main_loop()
+    
+    def stop(self):
+        """停止中继器服务"""
+        logger.info("停止中继器服务")
+        self.running = False
+        
+        # 断开WebSocket连接
+        if self.websocket_client:
+            asyncio.run_coroutine_threadsafe(
+                self.websocket_client.disconnect(), 
+                self.loop
+            )
+    
+    def _run_websocket_loop(self):
+        """运行WebSocket事件循环"""
+        # 创建新的事件循环
+        self.loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(self.loop)
+        
+        # 运行事件循环
+        self.loop.run_until_complete(self._websocket_main())
+    
+    async def _websocket_main(self):
+        """WebSocket主协程"""
+        # 创建WebSocket客户端
+        self.websocket_client = WebSocketClient(self)
+        
+        # 连接到平台
+        if await self.websocket_client.connect():
+            # 启动心跳任务
+            heartbeat_task = asyncio.create_task(self._heartbeat_routine())
+            
+            # 监听平台消息
+            await self.websocket_client.listen()
+            
+            # 取消心跳任务
+            heartbeat_task.cancel()
+        else:
+            logger.error("无法连接到平台")
+    
+    async def _heartbeat_routine(self):
+        """心跳协程"""
+        logger.info("心跳协程启动")
+        
+        try:
+            while self.running:
+                if self.websocket_client and self.websocket_client.is_connected():
+                    await self.websocket_client.send_heartbeat()
+                
+                # 每30秒发送一次心跳
+                await asyncio.sleep(30)
+        except asyncio.CancelledError:
+            logger.info("心跳协程被取消")
+        except Exception as e:
+            logger.error(f"心跳协程发生错误: {e}")
+        
+        logger.info("心跳协程停止")
+    
+    def _main_loop(self):
+        """主循环"""
+        logger.info("中继器服务主循环开始")
+        
+        try:
+            while self.running:
+                # 短暂休眠以避免过度占用CPU
+                time.sleep(0.1)
+        except KeyboardInterrupt:
+            logger.info("收到中断信号，正在停止服务...")
+        except Exception as e:
+            logger.error(f"主循环发生错误: {e}")
+        finally:
+            self.stop()
+            logger.info("中继器服务已停止")
+    
+    def _command_loop(self):
+        """命令处理循环"""
+        logger.info("命令处理线程启动")
+        
+        while self.running:
+            try:
+                # 处理命令队列中的指令
+                try:
+                    command_data = self.command_queue.get(timeout=1)
+                    self._process_command(command_data)
+                    self.command_queue.task_done()
+                except Empty:
+                    # 队列为空，继续循环
+                    continue
+                    
+            except Exception as e:
+                logger.error(f"命令处理线程发生错误: {e}")
+        
+        logger.info("命令处理线程停止")
+    
+    def _process_command(self, command_data):
+        """处理平台指令"""
+        try:
+            logger.info(f"处理平台指令: {command_data}")
+            
+            command_type = command_data.get('type')
+            command_name = command_data.get('command')
+            
+            if command_type == 'command':
+                if command_name == 'control_device':
+                    self._handle_control_device(command_data)
+                elif command_name == 'query_device_status':
+                    self._handle_query_device_status(command_data)
+                elif command_name == 'query_all_device_status':
+                    self._handle_query_all_device_status(command_data)
+                else:
+                    logger.warning(f"未知指令: {command_name}")
+                    self._send_error_response(command_data, f"未知指令: {command_name}")
+            elif command_type == 'heartbeat':
+                self._handle_heartbeat(command_data)
+            elif command_type == 'system':
+                # 处理系统消息
+                logger.info(f"收到系统消息: {command_name}")
+            else:
+                logger.warning(f"未知消息类型: {command_type}")
+                self._send_error_response(command_data, f"未知消息类型: {command_type}")
+                
+        except Exception as e:
+            logger.error(f"处理指令时发生错误: {e}")
+            self._send_error_response(command_data, f"处理指令时发生错误: {str(e)}")
+    
+    def _handle_control_device(self, command_data):
+        """处理设备控制指令"""
+        data = command_data.get('data', {})
+        device_id = data.get('device_id')
+        action = data.get('action')
+        
+        logger.info(f"控制设备: ID={device_id}, 动作={action}")
+        
+        if self.lora_handler and config.simulation_enabled:
+            result = self.lora_handler.send_command('control_device', data)
+            # 发送响应到平台
+            self._send_command_response(command_data, result)
+    
+    def _handle_query_device_status(self, command_data):
+        """处理查询设备状态指令"""
+        data = command_data.get('data', {})
+        device_id = data.get('device_id')
+        
+        logger.info(f"查询设备状态: ID={device_id}")
+        
+        if self.lora_handler and config.simulation_enabled:
+            result = self.lora_handler.send_command('query_device_status', data)
+            # 发送响应到平台
+            self._send_command_response(command_data, result)
+    
+    def _handle_query_all_device_status(self, command_data):
+        """处理查询所有设备状态指令"""
+        logger.info("查询所有设备状态")
+        
+        if self.lora_handler and config.simulation_enabled:
+            result = self.lora_handler.send_command('query_all_device_status', {})
+            # 发送响应到平台
+            self._send_command_response(command_data, result)
+    
+    def _handle_heartbeat(self, command_data):
+        """处理心跳消息"""
+        logger.info("收到平台心跳消息")
+        
+        # 发送心跳响应
+        response = {
+            "type": "response",
+            "command": "heartbeat",
+            "status": "success",
+            "message": "心跳响应",
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        
+        self._send_response(response)
+    
+    def _send_command_response(self, command_data, result_data):
+        """发送指令响应"""
+        response = {
+            "type": "response",
+            "command": command_data.get('command'),
+            "data": result_data,
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        
+        self._send_response(response)
+    
+    def _send_error_response(self, command_data, error_message):
+        """发送错误响应"""
+        response = {
+            "type": "response",
+            "command": command_data.get('command', 'unknown'),
+            "status": "failed",
+            "message": error_message,
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        
+        self._send_response(response)
+    
+    def _send_response(self, response):
+        """发送响应到平台"""
+        if self.websocket_client and self.websocket_client.is_connected():
+            # 在事件循环中发送响应
+            asyncio.run_coroutine_threadsafe(
+                self.websocket_client.send_message(response),
+                self.loop
+            )
+        else:
+            logger.warning("WebSocket未连接，无法发送响应")
+    
+    def handle_platform_command(self, command_json):
+        """
+        处理来自平台的指令（供外部调用）
+        
+        Args:
+            command_json (str): JSON格式的指令字符串
+        """
+        try:
+            command_data = json.loads(command_json)
+            self.command_queue.put(command_data)
+        except json.JSONDecodeError as e:
+            logger.error(f"无效的JSON格式: {e}")
+        except Exception as e:
+            logger.error(f"处理平台指令时发生错误: {e}")
\ No newline at end of file
diff --git a/internal/protocol/__init__.py b/internal/protocol/__init__.py
new file mode 100644
index 0000000..4fea8ed
--- /dev/null
+++ b/internal/protocol/__init__.py
@@ -0,0 +1,2 @@
+# 协议处理模块
+# 处理与各种通信协议相关的功能
\ No newline at end of file
diff --git a/internal/protocol/base.py b/internal/protocol/base.py
new file mode 100644
index 0000000..cf0d34c
--- /dev/null
+++ b/internal/protocol/base.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+协议处理基类模块
+"""
+
+import logging
+from abc import ABC, abstractmethod
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class ProtocolHandler(ABC):
+    """协议处理基类"""
+    
+    def __init__(self, config):
+        """
+        初始化协议处理器
+        
+        Args:
+            config: 配置对象
+        """
+        self.config = config
+        self.device_manager = None
+        logger.info(f"初始化 {self.__class__.__name__}")
+    
+    @abstractmethod
+    def initialize(self):
+        """初始化协议处理器"""
+        pass
+    
+    @abstractmethod
+    def send_command(self, command, data):
+        """
+        发送命令到设备
+        
+        Args:
+            command (str): 命令类型
+            data (dict): 命令数据
+            
+        Returns:
+            dict: 命令执行结果
+        """
+        pass
+    
+    @abstractmethod
+    def receive_response(self):
+        """
+        接收设备响应
+        
+        Returns:
+            dict: 设备响应数据
+        """
+        pass
\ No newline at end of file
diff --git a/internal/protocol/coap/__init__.py b/internal/protocol/coap/__init__.py
new file mode 100644
index 0000000..635bf46
--- /dev/null
+++ b/internal/protocol/coap/__init__.py
@@ -0,0 +1,2 @@
+# CoAP协议处理模块
+# 处理受限应用协议，轻量级的RESTful协议，适用于资源受限设备
\ No newline at end of file
diff --git a/internal/protocol/lora/__init__.py b/internal/protocol/lora/__init__.py
new file mode 100644
index 0000000..05f3f11
--- /dev/null
+++ b/internal/protocol/lora/__init__.py
@@ -0,0 +1,6 @@
+# LoRa协议处理模块
+# 处理LoRa物理层通信相关功能
+
+from .handler import LoRaHandler
+
+__all__ = ['LoRaHandler']
\ No newline at end of file
diff --git a/internal/protocol/lora/handler.py b/internal/protocol/lora/handler.py
new file mode 100644
index 0000000..78a70cd
--- /dev/null
+++ b/internal/protocol/lora/handler.py
@@ -0,0 +1,192 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+LoRa协议处理模块
+处理LoRa物理层通信相关功能
+支持四级结构：平台->中继->区域主控->普通设备
+"""
+
+import logging
+import time
+import random
+from ..base import ProtocolHandler
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class LoRaHandler(ProtocolHandler):
+    """LoRa协议处理器"""
+    
+    def __init__(self, config):
+        """
+        初始化LoRa协议处理器
+        
+        Args:
+            config: 配置对象
+        """
+        super().__init__(config)
+        self.initialized = False
+        logger.info("初始化LoRa协议处理器")
+    
+    def initialize(self):
+        """初始化LoRa协议处理器"""
+        logger.info("开始初始化LoRa通信")
+        
+        # 模拟LoRa硬件初始化
+        time.sleep(0.5)
+        self.initialized = True
+        
+        # 如果启用模拟模式，初始化设备管理器
+        if self.config.simulation_enabled:
+            from internal.simulation import DeviceManager, AreaController, NormalDevice
+            self.device_manager = DeviceManager()
+            
+            # 根据配置创建模拟区域主控设备
+            controllers = {}
+            for controller_config in self.config.simulation_controllers:
+                controller = AreaController(
+                    device_id=controller_config['id'],
+                    lora_address=controller_config['lora_address'],
+                    status=controller_config.get('status', 'stopped')
+                )
+                self.device_manager.add_controller(controller)
+                controllers[controller.device_id] = controller
+            
+            # 根据配置创建模拟普通设备，并关联到区域主控
+            for device_config in self.config.simulation_devices:
+                device = NormalDevice(
+                    device_id=device_config['id'],
+                    device_type=device_config['type'],
+                    rs485_bus=device_config['rs485_bus'],
+                    rs485_address=device_config['rs485_address'],
+                    controller_id=device_config['controller_id'],
+                    status=device_config.get('status', 'stopped')
+                )
+                self.device_manager.add_device(device)
+                
+                # 将设备添加到对应的区域主控中
+                controller_id = device_config['controller_id']
+                if controller_id in controllers:
+                    controllers[controller_id].add_device(device)
+            
+            logger.info(f"模拟模式已启用，创建了 {len(controllers)} 个区域主控和 {len(self.config.simulation_devices)} 个普通设备")
+        else:
+            logger.info("真实模式，需要连接LoRa硬件")
+        
+        logger.info("LoRa协议处理器初始化完成")
+    
+    def send_command(self, command, data):
+        """
+        通过LoRa发送命令到设备
+        
+        Args:
+            command (str): 命令类型
+            data (dict): 命令数据
+            
+        Returns:
+            dict: 命令执行结果
+        """
+        if not self.initialized:
+            logger.error("LoRa协议处理器未初始化")
+            return {
+                "status": "failed",
+                "message": "LoRa协议处理器未初始化"
+            }
+        
+        logger.info(f"通过LoRa发送命令: {command}, 数据: {data}")
+        
+        # 如果启用模拟模式，直接处理命令
+        if self.config.simulation_enabled and self.device_manager:
+            result = self._handle_simulated_command(command, data)
+            logger.info(f"模拟命令处理结果: {result}")
+            return result
+        
+        # 真实模式下需要实际发送命令到LoRa设备
+        logger.info("真实模式下发送命令到LoRa设备")
+        # 这里应该是实际的LoRa通信代码
+        # 暂时返回模拟响应
+        time.sleep(0.1)  # 模拟通信延迟
+        return {
+            "status": "success" if random.choice([True, False]) else "failed",
+            "message": "命令发送成功" if random.choice([True, False]) else "命令发送失败",
+            "data": {
+                "device_id": data.get("device_id", "unknown"),
+                "timestamp": time.time()
+            }
+        }
+    
+    def receive_response(self):
+        """
+        从LoRa接收设备响应
+        
+        Returns:
+            dict: 设备响应数据
+        """
+        if not self.initialized:
+            logger.error("LoRa协议处理器未初始化")
+            return {
+                "status": "failed",
+                "message": "LoRa协议处理器未初始化"
+            }
+        
+        logger.info("从LoRa接收设备响应")
+        
+        # 如果启用模拟模式，返回模拟响应
+        if self.config.simulation_enabled and self.device_manager:
+            # 在模拟模式下，我们假设命令已经直接处理完成，不需要单独接收响应
+            logger.info("模拟模式下命令已直接处理完成")
+            return {
+                "status": "success",
+                "message": "模拟响应",
+                "data": {}
+            }
+        
+        # 真实模式下需要实际从LoRa设备接收响应
+        logger.info("真实模式下从LoRa设备接收响应")
+        # 这里应该是实际的LoRa通信代码
+        # 暂时返回模拟响应
+        time.sleep(0.1)  # 模拟通信延迟
+        return {
+            "status": "success",
+            "message": "接收响应成功",
+            "data": {
+                "response_data": "sample_data",
+                "timestamp": time.time()
+            }
+        }
+    
+    def _handle_simulated_command(self, command, data):
+        """
+        处理模拟命令
+        
+        Args:
+            command (str): 命令类型
+            data (dict): 命令数据
+            
+        Returns:
+            dict: 命令执行结果
+        """
+        logger.info(f"处理模拟命令: {command}")
+        
+        if command == "control_device":
+            device_id = data.get("device_id")
+            action = data.get("action")
+            return self.device_manager.control_device(device_id, action)
+        elif command == "query_device_status":
+            device_id = data.get("device_id")
+            return self.device_manager.query_device_status(device_id)
+        elif command == "query_all_device_status":
+            statuses = self.device_manager.query_all_device_status()
+            return {
+                "status": "success",
+                "message": "查询所有设备状态成功",
+                "data": statuses
+            }
+        else:
+            return {
+                "status": "failed",
+                "message": f"不支持的命令: {command}"
+            }
\ No newline at end of file
diff --git a/internal/protocol/lorawan/__init__.py b/internal/protocol/lorawan/__init__.py
new file mode 100644
index 0000000..54a75d8
--- /dev/null
+++ b/internal/protocol/lorawan/__init__.py
@@ -0,0 +1,2 @@
+# LoRaWAN协议处理模块
+# 处理基于LoRa物理层的广域网协议功能，包括设备认证、加密和网络管理
\ No newline at end of file
diff --git a/internal/protocol/lwm2m/__init__.py b/internal/protocol/lwm2m/__init__.py
new file mode 100644
index 0000000..70b9850
--- /dev/null
+++ b/internal/protocol/lwm2m/__init__.py
@@ -0,0 +1,2 @@
+# LwM2M协议处理模块
+# 处理轻量级机器到机器协议，提供设备管理、固件更新等功能
\ No newline at end of file
diff --git a/internal/protocol/senml/__init__.py b/internal/protocol/senml/__init__.py
new file mode 100644
index 0000000..20c4d0d
--- /dev/null
+++ b/internal/protocol/senml/__init__.py
@@ -0,0 +1,2 @@
+# SenML数据格式处理模块
+# 处理传感器标记语言，标准化的传感器数据表示格式
\ No newline at end of file
diff --git a/internal/protocol/websocket/__init__.py b/internal/protocol/websocket/__init__.py
new file mode 100644
index 0000000..699bea9
--- /dev/null
+++ b/internal/protocol/websocket/__init__.py
@@ -0,0 +1,6 @@
+# WebSocket通信处理模块
+# 处理与猪场主控的WebSocket通信
+
+from .client import WebSocketClient
+
+__all__ = ['WebSocketClient']
\ No newline at end of file
diff --git a/internal/protocol/websocket/client.py b/internal/protocol/websocket/client.py
new file mode 100644
index 0000000..37e8a8e
--- /dev/null
+++ b/internal/protocol/websocket/client.py
@@ -0,0 +1,143 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+WebSocket客户端模块
+用于与平台建立WebSocket连接并处理通信
+"""
+
+import asyncio
+import json
+import logging
+import websockets
+from datetime import datetime
+from urllib.parse import urlencode
+
+from config import config
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class WebSocketClient:
+    """WebSocket客户端类"""
+    
+    def __init__(self, relay_service):
+        """
+        初始化WebSocket客户端
+        
+        Args:
+            relay_service: 中继器服务实例
+        """
+        self.relay_service = relay_service
+        self.device_id = config._config.get('relay', {}).get('device_id', '1')
+        self.host = config._config.get('websocket', {}).get('host', 'localhost')
+        self.port = config._config.get('websocket', {}).get('port', 8086)
+        self.timeout = config._config.get('websocket', {}).get('timeout', 5)
+        self.websocket = None
+        self.connected = False
+        self.running = False
+        
+        logger.info(f"初始化WebSocket客户端: device_id={self.device_id}, host={self.host}, port={self.port}")
+    
+    async def connect(self):
+        """建立WebSocket连接"""
+        try:
+            # 构建连接URL
+            params = urlencode({'device_id': self.device_id})
+            uri = f"ws://{self.host}:{self.port}/ws/device?{params}"
+            
+            logger.info(f"正在连接到平台: {uri}")
+            
+            # 建立WebSocket连接（移除了timeout参数以兼容新版本websockets库）
+            self.websocket = await websockets.connect(uri)
+            self.connected = True
+            self.running = True
+            
+            logger.info("成功连接到平台")
+            return True
+            
+        except Exception as e:
+            logger.error(f"连接平台失败: {e}")
+            self.connected = False
+            return False
+    
+    async def disconnect(self):
+        """断开WebSocket连接"""
+        logger.info("断开WebSocket连接")
+        self.running = False
+        
+        if self.websocket:
+            await self.websocket.close()
+            self.websocket = None
+            
+        self.connected = False
+        logger.info("WebSocket连接已断开")
+    
+    async def send_message(self, message):
+        """
+        发送消息到平台
+        
+        Args:
+            message (dict): 要发送的消息
+        """
+        if not self.connected or not self.websocket:
+            logger.warning("WebSocket未连接，无法发送消息")
+            return False
+        
+        try:
+            message_str = json.dumps(message, ensure_ascii=False)
+            await self.websocket.send(message_str)
+            logger.debug(f"发送消息到平台: {message_str}")
+            return True
+        except Exception as e:
+            logger.error(f"发送消息失败: {e}")
+            return False
+    
+    async def listen(self):
+        """监听平台消息"""
+        if not self.connected or not self.websocket:
+            logger.error("WebSocket未连接，无法监听消息")
+            return
+        
+        logger.info("开始监听平台消息")
+        
+        try:
+            async for message in self.websocket:
+                try:
+                    # 解析收到的消息
+                    message_data = json.loads(message)
+                    logger.info(f"收到平台消息: {message_data}")
+                    
+                    # 将消息传递给中继器服务处理
+                    self.relay_service.handle_platform_command(message)
+                    
+                except json.JSONDecodeError as e:
+                    logger.error(f"解析平台消息失败: {e}")
+                except Exception as e:
+                    logger.error(f"处理平台消息时发生错误: {e}")
+                    
+        except websockets.exceptions.ConnectionClosed:
+            logger.warning("WebSocket连接已关闭")
+            self.connected = False
+        except Exception as e:
+            logger.error(f"监听平台消息时发生错误: {e}")
+            self.connected = False
+    
+    async def send_heartbeat(self):
+        """发送心跳消息"""
+        if not self.connected:
+            return False
+        
+        heartbeat_msg = {
+            "type": "heartbeat",
+            "device_id": self.device_id,
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        
+        return await self.send_message(heartbeat_msg)
+    
+    def is_connected(self):
+        """检查是否已连接"""
+        return self.connected
\ No newline at end of file
diff --git a/internal/simulation/__init__.py b/internal/simulation/__init__.py
new file mode 100644
index 0000000..9e8b7fa
--- /dev/null
+++ b/internal/simulation/__init__.py
@@ -0,0 +1,6 @@
+# 模拟模块
+# 用于在没有实际设备的情况下模拟场内子系统设备
+
+from .device_interface import SimulatedDevice, DeviceManager, AreaController, NormalDevice
+
+__all__ = ['SimulatedDevice', 'DeviceManager', 'AreaController', 'NormalDevice']
\ No newline at end of file
diff --git a/internal/simulation/device_interface.py b/internal/simulation/device_interface.py
new file mode 100644
index 0000000..04eecb7
--- /dev/null
+++ b/internal/simulation/device_interface.py
@@ -0,0 +1,480 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+设备模拟接口模块，用于模拟场内子系统设备
+支持四级结构：平台->中继->区域主控->普通设备
+"""
+
+import random
+import time
+import logging
+from datetime import datetime
+from enum import Enum
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class DeviceType(Enum):
+    """设备类型枚举"""
+    AREA_CONTROLLER = "area_controller"  # 区域主控
+    NORMAL_DEVICE = "normal_device"      # 普通设备
+
+
+class SimulatedDevice:
+    """模拟设备基类"""
+    
+    def __init__(self, device_id, device_type, status="stopped"):
+        """
+        初始化模拟设备
+        
+        Args:
+            device_id (str): 设备ID
+            device_type (DeviceType): 设备类型
+            status (str): 初始状态
+        """
+        self.device_id = device_id
+        self.device_type = device_type
+        self.status = status
+        self.created_at = time.time()
+        logger.info(f"创建模拟设备: ID={device_id}, 类型={device_type.value}, 状态={status}")
+
+
+class AreaController(SimulatedDevice):
+    """区域主控设备"""
+    
+    def __init__(self, device_id, lora_address, status="stopped"):
+        """
+        初始化区域主控设备
+        
+        Args:
+            device_id (str): 设备ID
+            lora_address (str): LoRa地址
+            status (str): 初始状态
+        """
+        super().__init__(device_id, DeviceType.AREA_CONTROLLER, status)
+        self.lora_address = lora_address
+        self.devices = {}  # 管理的普通设备
+        logger.info(f"创建区域主控: ID={device_id}, LoRa地址={lora_address}")
+    
+    def add_device(self, device):
+        """
+        添加普通设备到区域主控
+        
+        Args:
+            device (NormalDevice): 普通设备实例
+        """
+        self.devices[device.device_id] = device
+        logger.info(f"区域主控 {self.device_id} 添加设备: {device.device_id}")
+    
+    def remove_device(self, device_id):
+        """
+        从区域主控移除普通设备
+        
+        Args:
+            device_id (str): 设备ID
+        """
+        if device_id in self.devices:
+            del self.devices[device_id]
+            logger.info(f"区域主控 {self.device_id} 移除设备: {device_id}")
+    
+    def get_device(self, device_id):
+        """
+        获取区域主控下的普通设备
+        
+        Args:
+            device_id (str): 设备ID
+            
+        Returns:
+            NormalDevice: 普通设备实例，如果不存在则返回None
+        """
+        return self.devices.get(device_id)
+    
+    def get_all_devices(self):
+        """
+        获取区域主控下的所有普通设备
+        
+        Returns:
+            list: 所有普通设备实例的列表
+        """
+        return list(self.devices.values())
+
+
+class NormalDevice(SimulatedDevice):
+    """普通设备"""
+    
+    def __init__(self, device_id, device_type, rs485_bus, rs485_address, controller_id, status="stopped"):
+        """
+        初始化普通设备
+        
+        Args:
+            device_id (str): 设备ID
+            device_type (str): 设备类型（如风机、水帘等）
+            rs485_bus (str): 485总线号
+            rs485_address (str): 485总线地址
+            controller_id (str): 所属区域主控ID
+            status (str): 初始状态
+        """
+        super().__init__(device_id, DeviceType.NORMAL_DEVICE, status)
+        self.device_type = device_type
+        self.rs485_bus = rs485_bus
+        self.rs485_address = rs485_address
+        self.controller_id = controller_id
+        logger.info(f"创建普通设备: ID={device_id}, 类型={device_type}, "
+                   f"485总线={rs485_bus}, 485地址={rs485_address}, 所属主控={controller_id}")
+
+
+class DeviceManager:
+    """设备管理器"""
+    
+    def __init__(self):
+        """初始化设备管理器"""
+        self.controllers = {}  # 区域主控设备
+        self.devices = {}      # 所有普通设备
+        logger.info("初始化设备管理器")
+    
+    def add_controller(self, controller):
+        """
+        添加区域主控设备
+        
+        Args:
+            controller (AreaController): 区域主控设备实例
+        """
+        self.controllers[controller.device_id] = controller
+        logger.info(f"添加区域主控到管理器: {controller.device_id}")
+    
+    def remove_controller(self, controller_id):
+        """
+        移除区域主控设备
+        
+        Args:
+            controller_id (str): 区域主控设备ID
+        """
+        if controller_id in self.controllers:
+            # 同时移除该主控下的所有普通设备
+            controller = self.controllers[controller_id]
+            for device_id in list(controller.devices.keys()):
+                if device_id in self.devices:
+                    del self.devices[device_id]
+            del self.controllers[controller_id]
+            logger.info(f"从管理器移除区域主控: {controller_id}")
+    
+    def get_controller(self, controller_id):
+        """
+        获取区域主控设备
+        
+        Args:
+            controller_id (str): 区域主控设备ID
+            
+        Returns:
+            AreaController: 区域主控设备实例，如果不存在则返回None
+        """
+        controller = self.controllers.get(controller_id)
+        if controller:
+            logger.debug(f"获取区域主控: {controller_id}")
+        else:
+            logger.warning(f"尝试获取不存在的区域主控: {controller_id}")
+        return controller
+    
+    def get_all_controllers(self):
+        """
+        获取所有区域主控设备
+        
+        Returns:
+            list: 所有区域主控设备实例的列表
+        """
+        logger.info(f"获取所有区域主控，共 {len(self.controllers)} 个")
+        return list(self.controllers.values())
+    
+    def add_device(self, device):
+        """
+        添加普通设备
+        
+        Args:
+            device (NormalDevice): 普通设备实例
+        """
+        self.devices[device.device_id] = device
+        logger.info(f"添加普通设备到管理器: {device.device_id}")
+    
+    def remove_device(self, device_id):
+        """
+        移除普通设备
+        
+        Args:
+            device_id (str): 设备ID
+        """
+        if device_id in self.devices:
+            del self.devices[device_id]
+            logger.info(f"从管理器移除普通设备: {device_id}")
+    
+    def get_device(self, device_id):
+        """
+        获取普通设备
+        
+        Args:
+            device_id (str): 设备ID
+            
+        Returns:
+            NormalDevice: 普通设备实例，如果不存在则返回None
+        """
+        device = self.devices.get(device_id)
+        if device:
+            logger.debug(f"获取普通设备: {device_id}")
+        else:
+            logger.warning(f"尝试获取不存在的普通设备: {device_id}")
+        return device
+    
+    def get_all_devices(self):
+        """
+        获取所有普通设备
+        
+        Returns:
+            list: 所有普通设备实例的列表
+        """
+        logger.info(f"获取所有普通设备，共 {len(self.devices)} 个")
+        return list(self.devices.values())
+    
+    def control_device(self, device_id, action):
+        """
+        控制指定设备
+        
+        Args:
+            device_id (str): 设备ID
+            action (str): 控制动作
+            
+        Returns:
+            dict: 控制结果
+        """
+        logger.info(f"控制设备: ID={device_id}, 动作={action}")
+        
+        # 先尝试查找普通设备
+        device = self.get_device(device_id)
+        if device:
+            return self._control_normal_device(device, action)
+        
+        # 再尝试查找区域主控设备
+        controller = self.get_controller(device_id)
+        if controller:
+            return self._control_area_controller(controller, action)
+        
+        result = {
+            "device_id": device_id,
+            "status": "failed",
+            "message": f"设备 {device_id} 不存在"
+        }
+        logger.error(f"控制设备失败: 设备 {device_id} 不存在")
+        return result
+    
+    def _control_normal_device(self, device, action):
+        """
+        控制普通设备
+        
+        Args:
+            device (NormalDevice): 普通设备实例
+            action (str): 控制动作
+            
+        Returns:
+            dict: 控制结果
+        """
+        logger.info(f"控制普通设备 {device.device_id}: 动作={action}")
+        
+        if action == "on":
+            device.status = "running"
+            result = {
+                "device_id": device.device_id,
+                "status": "success",
+                "message": f"设备 {device.device_id} 已开启"
+            }
+            logger.info(f"普通设备 {device.device_id} 开启成功")
+            return result
+        elif action == "off":
+            device.status = "stopped"
+            result = {
+                "device_id": device.device_id,
+                "status": "success",
+                "message": f"设备 {device.device_id} 已关闭"
+            }
+            logger.info(f"普通设备 {device.device_id} 关闭成功")
+            return result
+        else:
+            result = {
+                "device_id": device.device_id,
+                "status": "failed",
+                "message": f"不支持的操作: {action}"
+            }
+            logger.warning(f"普通设备 {device.device_id} 不支持的操作: {action}")
+            return result
+    
+    def _control_area_controller(self, controller, action):
+        """
+        控制区域主控设备
+        
+        Args:
+            controller (AreaController): 区域主控设备实例
+            action (str): 控制动作
+            
+        Returns:
+            dict: 控制结果
+        """
+        logger.info(f"控制区域主控 {controller.device_id}: 动作={action}")
+        
+        if action == "on":
+            controller.status = "running"
+            result = {
+                "device_id": controller.device_id,
+                "status": "success",
+                "message": f"区域主控 {controller.device_id} 已开启"
+            }
+            logger.info(f"区域主控 {controller.device_id} 开启成功")
+            return result
+        elif action == "off":
+            controller.status = "stopped"
+            result = {
+                "device_id": controller.device_id,
+                "status": "success",
+                "message": f"区域主控 {controller.device_id} 已关闭"
+            }
+            logger.info(f"区域主控 {controller.device_id} 关闭成功")
+            return result
+        else:
+            result = {
+                "device_id": controller.device_id,
+                "status": "failed",
+                "message": f"不支持的操作: {action}"
+            }
+            logger.warning(f"区域主控 {controller.device_id} 不支持的操作: {action}")
+            return result
+    
+    def query_device_status(self, device_id):
+        """
+        查询指定设备状态
+        
+        Args:
+            device_id (str): 设备ID
+            
+        Returns:
+            dict: 设备状态信息
+        """
+        logger.info(f"查询设备状态: ID={device_id}")
+        
+        # 先尝试查找普通设备
+        device = self.get_device(device_id)
+        if device:
+            return self._query_normal_device_status(device)
+        
+        # 再尝试查找区域主控设备
+        controller = self.get_controller(device_id)
+        if controller:
+            return self._query_area_controller_status(controller)
+        
+        result = {
+            "device_id": device_id,
+            "status": "failed",
+            "message": f"设备 {device_id} 不存在"
+        }
+        logger.error(f"查询设备状态失败: 设备 {device_id} 不存在")
+        return result
+    
+    def _query_normal_device_status(self, device):
+        """
+        查询普通设备状态
+        
+        Args:
+            device (NormalDevice): 普通设备实例
+            
+        Returns:
+            dict: 设备状态信息
+        """
+        logger.info(f"查询普通设备 {device.device_id} 状态")
+        
+        # 模拟一些随机的设备数据
+        if device.status == "running":
+            power = random.randint(200, 240)
+            current = random.uniform(4.0, 6.0)
+            result = {
+                "device_id": device.device_id,
+                "device_type": device.device_type,
+                "status": device.status,
+                "rs485_bus": device.rs485_bus,
+                "rs485_address": device.rs485_address,
+                "controller_id": device.controller_id,
+                "power": power,
+                "current": round(current, 2)
+            }
+            logger.info(f"普通设备 {device.device_id} 状态: 运行中, 功率={power}V, 电流={round(current, 2)}A")
+            return result
+        else:
+            result = {
+                "device_id": device.device_id,
+                "device_type": device.device_type,
+                "status": device.status,
+                "rs485_bus": device.rs485_bus,
+                "rs485_address": device.rs485_address,
+                "controller_id": device.controller_id,
+                "power": 0,
+                "current": 0.0
+            }
+            logger.info(f"普通设备 {device.device_id} 状态: 已停止")
+            return result
+    
+    def _query_area_controller_status(self, controller):
+        """
+        查询区域主控状态
+        
+        Args:
+            controller (AreaController): 区域主控设备实例
+            
+        Returns:
+            dict: 设备状态信息
+        """
+        logger.info(f"查询区域主控 {controller.device_id} 状态")
+        
+        result = {
+            "device_id": controller.device_id,
+            "device_type": "area_controller",
+            "status": controller.status,
+            "lora_address": controller.lora_address,
+            "managed_devices": len(controller.devices)
+        }
+        logger.info(f"区域主控 {controller.device_id} 状态: {controller.status}, 管理设备数: {len(controller.devices)}")
+        return result
+    
+    def query_all_device_status(self):
+        """
+        查询所有设备状态
+        
+        Returns:
+            list: 所有设备状态信息列表
+        """
+        logger.info("查询所有设备状态")
+        statuses = []
+        
+        # 添加区域主控状态
+        for controller in self.controllers.values():
+            status_info = {
+                "device_id": controller.device_id,
+                "device_type": "area_controller",
+                "status": controller.status,
+                "lora_address": controller.lora_address,
+                "managed_devices": len(controller.devices)
+            }
+            statuses.append(status_info)
+            logger.debug(f"区域主控 {controller.device_id} 状态: {controller.status}")
+        
+        # 添加普通设备状态
+        for device in self.devices.values():
+            status_info = {
+                "device_id": device.device_id,
+                "device_type": device.device_type,
+                "status": device.status,
+                "rs485_bus": device.rs485_bus,
+                "rs485_address": device.rs485_address,
+                "controller_id": device.controller_id
+            }
+            statuses.append(status_info)
+            logger.debug(f"普通设备 {device.device_id} 状态: {device.status}")
+        
+        logger.info(f"查询所有设备状态完成，共 {len(statuses)} 个设备")
+        return statuses
\ No newline at end of file
diff --git a/internal/simulation/devices.py b/internal/simulation/devices.py
new file mode 100644
index 0000000..4315dd0
--- /dev/null
+++ b/internal/simulation/devices.py
@@ -0,0 +1,227 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+模拟设备模块，用于创建和管理模拟设备
+"""
+
+import random
+import time
+import logging
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class SimulatedDevice:
+    """模拟设备类"""
+    
+    def __init__(self, device_id, device_type, status="stopped"):
+        """
+        初始化模拟设备
+        
+        Args:
+            device_id (str): 设备ID
+            device_type (str): 设备类型
+            status (str): 初始状态
+        """
+        self.device_id = device_id
+        self.device_type = device_type
+        self.status = status
+        self.created_at = time.time()
+        logger.info(f"创建模拟设备: ID={device_id}, 类型={device_type}, 状态={status}")
+    
+    def control(self, action):
+        """
+        控制设备
+        
+        Args:
+            action (str): 控制动作 ('on' 或 'off')
+            
+        Returns:
+            dict: 控制结果
+        """
+        logger.info(f"控制设备 {self.device_id}: 动作={action}")
+        
+        if action == "on":
+            self.status = "running"
+            result = {
+                "device_id": self.device_id,
+                "status": "success",
+                "message": f"设备 {self.device_id} 已开启"
+            }
+            logger.info(f"设备 {self.device_id} 开启成功")
+            return result
+        elif action == "off":
+            self.status = "stopped"
+            result = {
+                "device_id": self.device_id,
+                "status": "success",
+                "message": f"设备 {self.device_id} 已关闭"
+            }
+            logger.info(f"设备 {self.device_id} 关闭成功")
+            return result
+        else:
+            result = {
+                "device_id": self.device_id,
+                "status": "failed",
+                "message": f"不支持的操作: {action}"
+            }
+            logger.warning(f"设备 {self.device_id} 不支持的操作: {action}")
+            return result
+    
+    def get_status(self):
+        """
+        获取设备状态
+        
+        Returns:
+            dict: 设备状态信息
+        """
+        logger.info(f"查询设备 {self.device_id} 状态")
+        
+        # 模拟一些随机的设备数据
+        if self.status == "running":
+            power = random.randint(200, 240)
+            current = random.uniform(4.0, 6.0)
+            result = {
+                "device_id": self.device_id,
+                "status": self.status,
+                "power": power,
+                "current": round(current, 2)
+            }
+            logger.info(f"设备 {self.device_id} 状态: 运行中, 功率={power}V, 电流={round(current, 2)}A")
+            return result
+        else:
+            result = {
+                "device_id": self.device_id,
+                "status": self.status,
+                "power": 0,
+                "current": 0.0
+            }
+            logger.info(f"设备 {self.device_id} 状态: 已停止")
+            return result
+
+
+class DeviceManager:
+    """设备管理器"""
+    
+    def __init__(self):
+        """初始化设备管理器"""
+        self.devices = {}
+        logger.info("初始化设备管理器")
+    
+    def add_device(self, device):
+        """
+        添加设备
+        
+        Args:
+            device (SimulatedDevice): 模拟设备实例
+        """
+        self.devices[device.device_id] = device
+        logger.info(f"添加设备到管理器: {device.device_id}")
+    
+    def remove_device(self, device_id):
+        """
+        移除设备
+        
+        Args:
+            device_id (str): 设备ID
+        """
+        if device_id in self.devices:
+            del self.devices[device_id]
+            logger.info(f"从管理器移除设备: {device_id}")
+    
+    def get_device(self, device_id):
+        """
+        获取设备
+        
+        Args:
+            device_id (str): 设备ID
+            
+        Returns:
+            SimulatedDevice: 设备实例，如果不存在则返回None
+        """
+        device = self.devices.get(device_id)
+        if device:
+            logger.debug(f"获取设备: {device_id}")
+        else:
+            logger.warning(f"尝试获取不存在的设备: {device_id}")
+        return device
+    
+    def get_all_devices(self):
+        """
+        获取所有设备
+        
+        Returns:
+            list: 所有设备实例的列表
+        """
+        logger.info(f"获取所有设备，共 {len(self.devices)} 个设备")
+        return list(self.devices.values())
+    
+    def control_device(self, device_id, action):
+        """
+        控制指定设备
+        
+        Args:
+            device_id (str): 设备ID
+            action (str): 控制动作
+            
+        Returns:
+            dict: 控制结果
+        """
+        logger.info(f"控制设备: ID={device_id}, 动作={action}")
+        device = self.get_device(device_id)
+        if device:
+            return device.control(action)
+        else:
+            result = {
+                "device_id": device_id,
+                "status": "failed",
+                "message": f"设备 {device_id} 不存在"
+            }
+            logger.error(f"控制设备失败: 设备 {device_id} 不存在")
+            return result
+    
+    def query_device_status(self, device_id):
+        """
+        查询指定设备状态
+        
+        Args:
+            device_id (str): 设备ID
+            
+        Returns:
+            dict: 设备状态信息
+        """
+        logger.info(f"查询设备状态: ID={device_id}")
+        device = self.get_device(device_id)
+        if device:
+            return device.get_status()
+        else:
+            result = {
+                "device_id": device_id,
+                "status": "failed",
+                "message": f"设备 {device_id} 不存在"
+            }
+            logger.error(f"查询设备状态失败: 设备 {device_id} 不存在")
+            return result
+    
+    def query_all_device_status(self):
+        """
+        查询所有设备状态
+        
+        Returns:
+            list: 所有设备状态信息列表
+        """
+        logger.info("查询所有设备状态")
+        statuses = []
+        for device in self.devices.values():
+            status_info = {
+                "device_id": device.device_id,
+                "device_type": device.device_type,
+                "status": device.status
+            }
+            statuses.append(status_info)
+            logger.debug(f"设备 {device.device_id} 状态: {device.status}")
+        logger.info(f"查询所有设备状态完成，共 {len(statuses)} 个设备")
+        return statuses
\ No newline at end of file
diff --git a/internal/simulation/websocket.py b/internal/simulation/websocket.py
new file mode 100644
index 0000000..8355a7b
--- /dev/null
+++ b/internal/simulation/websocket.py
@@ -0,0 +1,187 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+模拟WebSocket通信模块，用于模拟与猪场主控的WebSocket通信
+"""
+
+import json
+import time
+import logging
+from datetime import datetime
+from .devices import DeviceManager, SimulatedDevice
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+class SimulatedWebSocketServer:
+    """模拟WebSocket服务器"""
+    
+    def __init__(self, config):
+        """
+        初始化模拟WebSocket服务器
+        
+        Args:
+            config: 配置对象
+        """
+        self.config = config
+        self.device_manager = DeviceManager()
+        self._initialize_devices()
+        logger.info("模拟WebSocket服务器初始化完成")
+    
+    def _initialize_devices(self):
+        """初始化模拟设备"""
+        logger.info("开始初始化模拟设备")
+        # 根据配置创建模拟设备
+        for device_config in self.config.simulation_devices:
+            device = SimulatedDevice(
+                device_id=device_config['id'],
+                device_type=device_config['type'],
+                status=device_config.get('status', 'stopped')
+            )
+            self.device_manager.add_device(device)
+        logger.info(f"模拟设备初始化完成，共创建 {len(self.config.simulation_devices)} 个设备")
+    
+    def handle_message(self, message_str):
+        """
+        处理接收到的消息
+        
+        Args:
+            message_str (str): JSON格式的消息字符串
+            
+        Returns:
+            dict: 响应消息
+        """
+        logger.info(f"收到消息: {message_str}")
+        
+        try:
+            message = json.loads(message_str)
+            msg_type = message.get('type')
+            logger.info(f"消息类型: {msg_type}")
+            
+            if msg_type == 'heartbeat':
+                return self._handle_heartbeat(message)
+            elif msg_type == 'command':
+                command = message.get('command')
+                logger.info(f"命令类型: {command}")
+                if command == 'control_device':
+                    return self._handle_control_device(message)
+                elif command == 'query_device_status':
+                    return self._handle_query_device_status(message)
+                elif command == 'query_all_device_status':
+                    return self._handle_query_all_device_status(message)
+            
+            # 未知消息类型
+            result = {
+                "type": "response",
+                "status": "failed",
+                "message": f"未知消息类型: {msg_type}",
+                "timestamp": datetime.utcnow().isoformat() + 'Z'
+            }
+            logger.warning(f"未知消息类型: {msg_type}")
+            return result
+        except json.JSONDecodeError:
+            result = {
+                "type": "response",
+                "status": "failed",
+                "message": "无效的JSON格式",
+                "timestamp": datetime.utcnow().isoformat() + 'Z'
+            }
+            logger.error("无效的JSON格式")
+            return result
+    
+    def _handle_heartbeat(self, message):
+        """
+        处理心跳消息
+        
+        Args:
+            message (dict): 心跳消息
+            
+        Returns:
+            dict: 心跳响应
+        """
+        logger.info("处理心跳消息")
+        result = {
+            "type": "response",
+            "command": "heartbeat",
+            "status": "success",
+            "message": "心跳响应",
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        logger.info("心跳响应已发送")
+        return result
+    
+    def _handle_control_device(self, message):
+        """
+        处理设备控制命令
+        
+        Args:
+            message (dict): 控制命令消息
+            
+        Returns:
+            dict: 控制响应
+        """
+        data = message.get('data', {})
+        device_id = data.get('device_id')
+        action = data.get('action')
+        
+        logger.info(f"处理设备控制命令: 设备ID={device_id}, 动作={action}")
+        result = self.device_manager.control_device(device_id, action)
+        
+        response = {
+            "type": "response",
+            "command": "control_device",
+            "data": result,
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        logger.info(f"设备控制命令处理完成: {response}")
+        return response
+    
+    def _handle_query_device_status(self, message):
+        """
+        处理查询设备状态命令
+        
+        Args:
+            message (dict): 查询命令消息
+            
+        Returns:
+            dict: 状态响应
+        """
+        data = message.get('data', {})
+        device_id = data.get('device_id')
+        
+        logger.info(f"处理查询设备状态命令: 设备ID={device_id}")
+        result = self.device_manager.query_device_status(device_id)
+        
+        response = {
+            "type": "response",
+            "command": "query_device_status",
+            "data": result,
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        logger.info(f"设备状态查询完成: {response}")
+        return response
+    
+    def _handle_query_all_device_status(self, message):
+        """
+        处理查询所有设备状态命令
+        
+        Args:
+            message (dict): 查询命令消息
+            
+        Returns:
+            dict: 状态响应
+        """
+        logger.info("处理查询所有设备状态命令")
+        result = self.device_manager.query_all_device_status()
+        
+        response = {
+            "type": "response",
+            "command": "query_all_device_status",
+            "data": result,
+            "timestamp": datetime.utcnow().isoformat() + 'Z'
+        }
+        logger.info(f"所有设备状态查询完成，共 {len(result)} 个设备")
+        return response
\ No newline at end of file
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..f41e1a7
--- /dev/null
+++ b/main.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+通信中继器主程序入口
+支持四级结构：平台->中继->区域主控->普通设备
+"""
+
+import logging
+import time
+
+# 配置日志
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+)
+logger = logging.getLogger(__name__)
+
+from internal.core import RelayService
+
+
+def main():
+    """主函数"""
+    logger.info("通信中继器启动")
+    
+    # 创建并初始化中继器服务
+    relay_service = RelayService()
+    relay_service.initialize()
+    
+    try:
+        # 启动中继器服务
+        relay_service.start()
+    except KeyboardInterrupt:
+        logger.info("收到中断信号，正在停止服务...")
+        relay_service.stop()
+    except Exception as e:
+        logger.error(f"中继器服务发生错误: {e}")
+        relay_service.stop()
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..3b00ab8
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+# 项目依赖包
+PyYAML>=5.4.1
+websockets>=10.0,<15.0
\ No newline at end of file
diff --git a/scripts/README.md b/scripts/README.md
new file mode 100644
index 0000000..94d68f9
--- /dev/null
+++ b/scripts/README.md
@@ -0,0 +1,8 @@
+# 脚本目录
+
+该目录存放项目的各种脚本文件，包括：
+
+1. 启动脚本
+2. 停止脚本
+3. 部署脚本
+4. 其他运维脚本
\ No newline at end of file
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..c3cb212
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,2 @@
+# 测试文件目录
+# 存放项目的所有测试文件
\ No newline at end of file
diff --git a/tests/test_relay.py b/tests/test_relay.py
new file mode 100644
index 0000000..9babeb3
--- /dev/null
+++ b/tests/test_relay.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+中继器测试脚本
+用于模拟平台向中继器发送指令
+"""
+
+import json
+import time
+import threading
+from internal.core import RelayService
+
+def test_relay_commands():
+    """测试中继器指令处理"""
+    print("启动中继器测试")
+    
+    # 创建中继器服务实例（仅用于访问其方法，不启动完整服务）
+    relay_service = RelayService()
+    relay_service.initialize()
+    
+    # 模拟平台发送各种指令
+    test_commands = [
+        # 控制设备指令
+        {
+            "type": "command",
+            "command": "control_device",
+            "data": {
+                "device_id": "3",
+                "action": "on"
+            },
+            "timestamp": "2023-01-01T12:00:00Z"
+        },
+        
+        # 查询单个设备状态指令
+        {
+            "type": "command",
+            "command": "query_device_status",
+            "data": {
+                "device_id": "3"
+            },
+            "timestamp": "2023-01-01T12:00:05Z"
+        },
+        
+        # 查询所有设备状态指令
+        {
+            "type": "command",
+            "command": "query_all_device_status",
+            "timestamp": "2023-01-01T12:00:10Z"
+        }
+    ]
+    
+    print("开始发送测试指令...")
+    for i, command in enumerate(test_commands):
+        print(f"发送指令 {i+1}: {command['command']}")
+        command_json = json.dumps(command)
+        relay_service.handle_platform_command(command_json)
+        time.sleep(1)
+    
+    print("测试指令发送完成")
+
+if __name__ == "__main__":
+    test_relay_commands()
\ No newline at end of file
diff --git a/utils/__init__.py b/utils/__init__.py
new file mode 100644
index 0000000..94a0efe
--- /dev/null
+++ b/utils/__init__.py
@@ -0,0 +1,2 @@
+# 工具函数目录
+# 存放项目中使用的各种工具函数
\ No newline at end of file