diff --git a/agri-admin/src/main/resources/application-mqtt.yml b/agri-admin/src/main/resources/application-mqtt.yml
index e6540ef..c791b71 100644
--- a/agri-admin/src/main/resources/application-mqtt.yml
+++ b/agri-admin/src/main/resources/application-mqtt.yml
@@ -1,7 +1,7 @@
 spring:
   # MQTT配置
   mqtt:
-    host: tcp://122.51.109.52:1883  # 设备/后端的MQTT TCP地址
+    host: tcp://mq.xiaoces.com:1883  # 设备/后端的MQTT TCP地址
     username: admin  # Mosquitto共用账号
     password: Admin#12345678 # Mosquitto密码
     client-id: springboot-backend  # 截取UUID前8位（自动去横线）