diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp b/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
index bfb77fb..80bca07 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertgame.cpp
@@ -134,7 +134,7 @@ void InputConvertGame::sendTouchEvent(int id, QPointF pos, AndroidMotioneventAct
         Q_ASSERT(0);
         return;
     }
-    qDebug() << "id:" << id << " pos:" << pos << " action" << action;
+    //qDebug() << "id:" << id << " pos:" << pos << " action" << action;
     ControlMsg* controlMsg = new ControlMsg(ControlMsg::CMT_INJECT_TOUCH);
     if (!controlMsg) {
         return;
diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp b/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
index a80e641..12d1d04 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
@@ -27,6 +27,10 @@ void InputConvertNormal::mouseEvent(const QMouseEvent* from, const QSize& frameS
         action = AMOTION_EVENT_ACTION_UP;
         break;
     case QEvent::MouseMove:
+        // only support left button drag
+        if (!(from->buttons() & Qt::LeftButton)) {
+            return;
+        }
         action = AMOTION_EVENT_ACTION_MOVE;
         break;
     default: