diff --git a/QtScrcpy/adb/adbprocess.cpp b/QtScrcpy/adb/adbprocess.cpp
index ad95e5d..c37ac9a 100644
--- a/QtScrcpy/adb/adbprocess.cpp
+++ b/QtScrcpy/adb/adbprocess.cpp
@@ -97,6 +97,14 @@ bool AdbProcess::isRuning()
     }
 }
 
+void AdbProcess::setShowTouchesEnabled(const QString &serial, bool enabled)
+{
+    QStringList adbArgs;
+    adbArgs << "shell" << "settings" << "put" << "system" << "show_touches";
+    adbArgs << (enabled ? "1" : "0");
+    execute(serial, adbArgs);
+}
+
 void AdbProcess::forward(const QString& serial, quint16 localPort, const QString& deviceSocketName)
 {
     QStringList adbArgs;
diff --git a/QtScrcpy/adb/adbprocess.h b/QtScrcpy/adb/adbprocess.h
index 0ea3e95..f891816 100644
--- a/QtScrcpy/adb/adbprocess.h
+++ b/QtScrcpy/adb/adbprocess.h
@@ -28,6 +28,7 @@ public:
     void install(const QString& serial, const QString& local);
     void removePath(const QString& serial, const QString& path);
     bool isRuning();
+    void setShowTouchesEnabled(const QString& serial, bool enabled);
 
     static const QString& getAdbPath();
 
diff --git a/QtScrcpy/dialog.cpp b/QtScrcpy/dialog.cpp
index 0697a39..0ebe23f 100644
--- a/QtScrcpy/dialog.cpp
+++ b/QtScrcpy/dialog.cpp
@@ -25,10 +25,12 @@ void Dialog::on_adbProcess_clicked()
 {
     AdbProcess* adb = new AdbProcess();
     connect(adb, &AdbProcess::adbProcessResult, this, [this](AdbProcess::ADB_EXEC_RESULT processResult){
-        Q_UNUSED(processResult);
-        sender()->deleteLater();
+        if (AdbProcess::AER_SUCCESS_START != processResult) {
+            sender()->deleteLater();
+        }
     });
     adb->execute("", QStringList() << "devices");
+    //adb->setShowTouchesEnabled("P7C0218510000537", true);
 }
 
 void Dialog::on_startServerBtn_clicked()
@@ -45,9 +47,3 @@ void Dialog::on_stopServerBtn_clicked()
         m_videoForm->close();
     }
 }
-
-void Dialog::keyPressEvent(QKeyEvent *event)
-{
-    qDebug() << event->key();
-    return QDialog::keyPressEvent(event);
-}
diff --git a/QtScrcpy/dialog.h b/QtScrcpy/dialog.h
index b09a94f..d61f600 100644
--- a/QtScrcpy/dialog.h
+++ b/QtScrcpy/dialog.h
@@ -26,9 +26,6 @@ private slots:
 
     void on_stopServerBtn_clicked();
 
-protected:
-    void keyPressEvent(QKeyEvent *event);
-
 private:
     Ui::Dialog *ui;