diff --git a/src/main/resources/application-dev.yml b/src/main/resources/application-dev.yml
index 326ee7f..4883593 100644
--- a/src/main/resources/application-dev.yml
+++ b/src/main/resources/application-dev.yml
@@ -33,7 +33,7 @@ mqtt:
   subscribe:
     clientid: subscribe_client
   broker: tcp://192.168.50.200:1883
-  topic: xydl
+  topic: external/data
   username: test
   password: AliOS%1688
   qos: 0
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
index f10368b..dc8f32c 100644
--- a/src/main/resources/application-prod.yml
+++ b/src/main/resources/application-prod.yml
@@ -33,7 +33,7 @@ mqtt:
   subscribe:
     clientid: subscribe_client
   broker: tcp://10.0.17.30:10883
-  topic: xydl
+  topic: external/data
   username: dianqi
   password: 123456Qa%
   qos: 0