diff --git a/app/scanner2/mqtt.cpp b/app/scanner2/mqtt.cpp
index 96634821..ebf41933 100644
--- a/app/scanner2/mqtt.cpp
+++ b/app/scanner2/mqtt.cpp
@@ -111,16 +111,18 @@ bool mqtt_publish(const char *title, const char *info, bool will_set)
 
 bool mqtt_pulish_online()
 {
+    std::string productId = getCfgValue("mqtt", "productId", QString("GSYJ-BZ")).toStdString();
     std::string deviceId = getCfgValue("mqtt", "deviceId", QString("testID")).toStdString();
-    std::string title = "/GSYJ-BZ/" + deviceId + "/online";
+    std::string title = "/" + productId + "/" + deviceId + "/online";
     std::string info = "{\"deviceId\": \"" + deviceId + "\"}";
     return mqtt_publish(title.c_str(), info.c_str(), false);
 }
 
 bool mqtt_pulish_offline()
 {
+    std::string productId = getCfgValue("mqtt", "productId", QString("GSYJ-BZ")).toStdString();
     std::string deviceId = getCfgValue("mqtt", "deviceId", QString("testID")).toStdString();
-    std::string title = "/GSYJ-BZ/" + deviceId + "/offline";
+    std::string title = "/" + productId + "/" + deviceId + "/offline";
     std::string info = "{\"deviceId\": \"" + deviceId + "\"}";
     return mqtt_publish(title.c_str(), info.c_str(), true);
 }
@@ -128,8 +130,9 @@ bool mqtt_pulish_offline()
 bool mqtt_publish_device_properties(const char *ip, const char *sysVerion,
                                     const char *deviceModel, const char *companyCode)
 {
+    std::string productId = getCfgValue("mqtt", "productId", QString("GSYJ-BZ")).toStdString();
     std::string deviceId = getCfgValue("mqtt", "deviceId", QString("testID")).toStdString();
-    std::string title = "/GSYJ-BZ/" + deviceId + "/properties/report";
+    std::string title = "/" + productId + "/" + deviceId + "/properties/report";
     std::string info = "{\"deviceId\": \"" + deviceId + "\", \"properties\": {\"ip\": \""
             + ip + "\", \"sysVersion\": \"" + sysVerion + "\", \"deviceModel\": \"" + deviceModel + "\", \"companyCode\": \"" + companyCode + "\"}}";
     return mqtt_publish(title.c_str(), info.c_str(), false);