diff --git a/apps/iot/src/iot_mqtt_subscriber.erl b/apps/iot/src/iot_mqtt_subscriber.erl
index 5647d5d..6992481 100644
--- a/apps/iot/src/iot_mqtt_subscriber.erl
+++ b/apps/iot/src/iot_mqtt_subscriber.erl
@@ -23,7 +23,7 @@
 
 %% 需要订阅的主题信息
 -define(Topics,[
-    {<<"CET/NX/+/upload">>, 2}
+    {<<"CET/NX/upload">>, 2}
 ]).
 
 -record(state, {