diff --git a/ems-admin/src/main/resources/application-prod.yml b/ems-admin/src/main/resources/application-prod.yml
index fee9ed4..3c97d98 100644
--- a/ems-admin/src/main/resources/application-prod.yml
+++ b/ems-admin/src/main/resources/application-prod.yml
@@ -187,7 +187,7 @@ xss:
   urlPatterns: /system/*,/monitor/*,/tool/*
 
 mqtt:
-  broker.url: tcp://121.5.164.6:1883
+  broker.url: tcp://122.51.194.184:1883
   client.id: ems-cloud
   username: dmbroker
   password: qwer1234