diff --git a/PhaseCompAcq/PhaseDevice.cpp b/PhaseCompAcq/PhaseDevice.cpp
index bffa877..8bb9173 100644
--- a/PhaseCompAcq/PhaseDevice.cpp
+++ b/PhaseCompAcq/PhaseDevice.cpp
@@ -127,7 +127,7 @@
             {
                 QJsonObject jsonObj = phaseData->toJSON(i - 1);
                 jsonObj.insert("clientId", SettingConfig::getInstance().CLIENT_ID);
-                jsonObj.insert("deviceId", devCode);
+                jsonObj.insert("deviceId", deviceId);
                 kafkaUtil.produceMessage(QString(QJsonDocument(jsonObj).toJson(QJsonDocument::Compact)));
             }
         }