diff --git a/OmobiDisplayApp/QBluetoothLeUart b/OmobiDisplayApp/QBluetoothLeUart
index 45ce9b1..76e4575 160000
--- a/OmobiDisplayApp/QBluetoothLeUart
+++ b/OmobiDisplayApp/QBluetoothLeUart
@@ -1 +1 @@
-Subproject commit 45ce9b1cd7372d12bcd0dc35a1387456785c0a3c
+Subproject commit 76e457593e889885fd410fdbcdd659706a1eceb8
diff --git a/OmobiDisplayApp/omobidisplaybackend.cpp b/OmobiDisplayApp/omobidisplaybackend.cpp
index b4dcef9..f9017a6 100644
--- a/OmobiDisplayApp/omobidisplaybackend.cpp
+++ b/OmobiDisplayApp/omobidisplaybackend.cpp
@@ -276,7 +276,7 @@ void OmobiDisplayBackend::setDisplayBrightness(int brightness) {
 
     this->displayBrightness = brightness;
 
-    this->sendBluetoothCommand(SetDisplayBrightnessCommand, this->displayBrightness);
+    this->sendBluetoothCommand(SetDisplayBrightnessCommand, QVariantMap{{"displayBrightness",this->displayBrightness}});
 
     emit this->displayBrightnessChanged();
 }