diff --git a/src/commser.cpp b/src/commser.cpp
index 7f30cb5..9075476 100644
--- a/src/commser.cpp
+++ b/src/commser.cpp
@@ -812,7 +812,7 @@ void mavlink_receiveCallback(uint8_t c)
       snprintf(jsonString, sizeof(jsonString), "{\"icao\":%u,\"lat\":%.7f,\"lon\":%.7f,\"alt\":%d,\"heading\":%.1f}", icao, lat, lon, alt, heading);
 
       // 发送 MQTT 消息
-      fc.pubMQTTmsg("ceshi", jsonString);
+      fc.pubMQTTmsg("ADSB", jsonString);
     }
     break;