some update

stomp.cpp

@@ -92,7 +92,11 @@ void Stomp::sendRequest(QString destination, const QByteArray& body) {
 }
 
 void Stomp::subscribeRequest(QString destination, int id) {
-
+    QString sid = QString::number(id);
+    STOMPFrame(STOMPFrame::SUBSCRIBE, {
+        {"destination", destination},
+        {"id", sid}
+    }).send(socket_);
 }
 
 void Stomp::disconnectRequest() {