diff --git a/src/main/java/com/qyft/gd/device/common/constant/TcpMessageType.java b/src/main/java/com/qyft/gd/device/common/constant/TcpMessageType.java
new file mode 100644
index 0000000..8625a9f
--- /dev/null
+++ b/src/main/java/com/qyft/gd/device/common/constant/TcpMessageType.java
@@ -0,0 +1,16 @@
+package com.qyft.gd.device.common.constant;
+
+public class TcpMessageType {
+    /**
+     * 设备状态
+     */
+    public static final String STATUS = "status";
+    /**
+     * 设备报警
+     */
+    public static final String ALARM = "alarm";
+    /**
+     * 设备指令反馈
+     */
+    public static final String FEEDBACK = "feedback";
+}
diff --git a/src/main/java/com/qyft/gd/device/handler/DeviceMessageHandler.java b/src/main/java/com/qyft/gd/device/handler/DeviceMessageHandler.java
index 29f6b7b..aece38f 100644
--- a/src/main/java/com/qyft/gd/device/handler/DeviceMessageHandler.java
+++ b/src/main/java/com/qyft/gd/device/handler/DeviceMessageHandler.java
@@ -2,6 +2,7 @@ package com.qyft.gd.device.handler;
 
 import cn.hutool.json.JSONObject;
 import cn.hutool.json.JSONUtil;
+import com.qyft.gd.device.common.constant.TcpMessageType;
 import com.qyft.gd.device.model.bo.DeviceStatus;
 import com.qyft.gd.device.service.DeviceStateService;
 import io.netty.channel.ChannelHandler;
@@ -25,13 +26,19 @@ public class DeviceMessageHandler extends SimpleChannelInboundHandler<String> {
         try {
             // 解析 JSON
             JSONObject json = JSONUtil.parseObj(msg);
-            DeviceStatus deviceStatus = json.toBean(DeviceStatus.class);
-            // 更新设备状态
-            deviceStateService.updateDeviceStatus(deviceStatus);
+            String type = json.getStr("type");
 
-            log.info("设备状态已更新: {}", json.toStringPretty());
+            if(TcpMessageType.STATUS.equals(type)){//设备状态
+                DeviceStatus deviceStatus = json.toBean(DeviceStatus.class);
+                deviceStateService.updateDeviceStatus(deviceStatus); // 更新设备状态
+                log.info("设备状态已更新: {}", json.toStringPretty());
+            }else if(TcpMessageType.ALARM.equals(type)){//设备报警
+
+            }else if(TcpMessageType.FEEDBACK.equals(type)){//设备指令反馈
+
+            }
         } catch (Exception e) {
-            log.error("设备状态更新错误: {}, error: {}", msg, e.getMessage(), e);
+            log.error("TCP数据处理错误: {}, error: {}", msg, e.getMessage(), e);
         }
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/qyft/gd/device/service/DeviceAlarmService.java b/src/main/java/com/qyft/gd/device/service/DeviceAlarmService.java
new file mode 100644
index 0000000..52ac042
--- /dev/null
+++ b/src/main/java/com/qyft/gd/device/service/DeviceAlarmService.java
@@ -0,0 +1,9 @@
+package com.qyft.gd.device.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class DeviceAlarmService {
+}
diff --git a/src/main/java/com/qyft/gd/device/service/DeviceFeedbackService.java b/src/main/java/com/qyft/gd/device/service/DeviceFeedbackService.java
new file mode 100644
index 0000000..4668bd0
--- /dev/null
+++ b/src/main/java/com/qyft/gd/device/service/DeviceFeedbackService.java
@@ -0,0 +1,9 @@
+package com.qyft.gd.device.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class DeviceFeedbackService {
+}
diff --git a/src/main/java/com/qyft/gd/device/service/DeviceStateService.java b/src/main/java/com/qyft/gd/device/service/DeviceStateService.java
index cb598c9..4305217 100644
--- a/src/main/java/com/qyft/gd/device/service/DeviceStateService.java
+++ b/src/main/java/com/qyft/gd/device/service/DeviceStateService.java
@@ -16,6 +16,9 @@ public class DeviceStateService {
         }
     }
 
+    /**
+     * 获取设备状态
+     */
     public DeviceStatus getDeviceStatus() {
         synchronized (deviceStatus) {
             return BeanUtil.copyProperties(deviceStatus, DeviceStatus.class);