add 添加子设备消息类型

jetlinks-manager/device-manager/src/main/java/org/jetlinks/community/device/web/DeviceDirectiveController.java

@@ -94,7 +94,7 @@ public class DeviceDirectiveController implements
                 return Flux.fromStream(t2.stream())
                     .flatMap(operator -> Mono.just(operator.messageSender()))
                     .flatMap(sender->{
-                            message.addHeader(Headers.async,true);
+//                            message.addHeader(Headers.async,true);
                             return sender.send(message)
                                 .onErrorContinue((e,obj)->log.warn("指令下发失败{}",message))
                                 .then();