diff --git a/agri-framework/src/main/java/com/agri/framework/web/dispatcher/MqttMessageDispatcher.java b/agri-framework/src/main/java/com/agri/framework/web/dispatcher/MqttMessageDispatcher.java
index 1f83c80..e22d38a 100644
--- a/agri-framework/src/main/java/com/agri/framework/web/dispatcher/MqttMessageDispatcher.java
+++ b/agri-framework/src/main/java/com/agri/framework/web/dispatcher/MqttMessageDispatcher.java
@@ -60,7 +60,7 @@ public class MqttMessageDispatcher {
             // log.info("【MQTT接收】topic={}, payload={}", topic, payload);
 
             // 设备状态主题：dtu/{deviceId}/up
-            if (topic.matches("dtu/\\w+/\\w")) {
+            if (topic.matches("dtu/\\w+/\\w+")) {
                 deviceStatusHandler.handle(topic, payload);
             }
             // 处理前端控制指令主题：frontend/{clientId}/control/{deviceId}