diff --git a/ruoyi-modules/ruoyi-hazard/src/main/java/org/dromara/hazard/handler/HazardMqttMessageHandler.java b/ruoyi-modules/ruoyi-hazard/src/main/java/org/dromara/hazard/handler/HazardMqttMessageHandler.java
index 9ee357745..652922e7a 100644
--- a/ruoyi-modules/ruoyi-hazard/src/main/java/org/dromara/hazard/handler/HazardMqttMessageHandler.java
+++ b/ruoyi-modules/ruoyi-hazard/src/main/java/org/dromara/hazard/handler/HazardMqttMessageHandler.java
@@ -60,7 +60,7 @@ public class HazardMqttMessageHandler implements MqttMessageHandler {
             topic, message.getQos(), message.isRetained(), payload);
 
         // TODO: 根据不同的主题分发到不同的业务处理方法
-        if (topic.equals("iot-hazard-server")) {
+        if (topic.equals("iot_hazard_server")) {
             handleHazardMessage(topic, payload);
         } else if (topic.equals("status/online")){
             handleOnlineMessage(topic, payload);