diff --git a/frontend/mainwindow.cpp b/frontend/mainwindow.cpp
index 0e223b1..cbea3d2 100644
--- a/frontend/mainwindow.cpp
+++ b/frontend/mainwindow.cpp
@@ -105,10 +105,10 @@ MainWindow::~MainWindow() {
         delete m_askDialog;
         m_askDialog = NULL;
     }
-    if(m_askTimer) {
-        delete m_askTimer;
-        m_askTimer = NULL;
-    }
+//    if(m_askTimer) {
+//        delete m_askTimer;
+//        m_askTimer = NULL;
+//    }
     if(m_searchGsettings) {
         delete m_searchGsettings;
         m_searchGsettings = NULL;
@@ -312,9 +312,19 @@ double MainWindow::getTransparentData() {
 }
 
 void MainWindow::initTimer() {
-    m_askTimer = new QTimer;
+    m_askTimer = new QTimer(this);
     m_askTimer->setInterval(ASK_INDEX_TIME);
     connect(m_askTimer, &QTimer::timeout, this, [ = ]() {
+        QWindow *modal = QGuiApplication::modalWindow();
+        if(modal) {
+            m_askTimer->stop();
+            connect(modal, &QWindow::visibleChanged, this, [ & ](bool visible){
+                if(!visible) {
+                  m_askTimer->start();
+                }
+            }, Qt::UniqueConnection);
+            return;
+        }
         if(this->isVisible()) {
             m_isAskDialogVisible = true;
             kdk::UkuiStyleHelper::self()->removeHeader(m_askDialog);
diff --git a/libsearch/index/file-search-plugin.cpp b/libsearch/index/file-search-plugin.cpp
index dee2401..11b2e3d 100644
--- a/libsearch/index/file-search-plugin.cpp
+++ b/libsearch/index/file-search-plugin.cpp
@@ -92,11 +92,11 @@ void FileSearchPlugin::openAction(int actionkey, QString key, int type)
     case 0:
         if(FileUtils::openFile(key) == -1) {
             QMessageBox msgBox(m_detailPage);
-            msgBox.setWindowModality(Qt::WindowModal);
+            msgBox.setModal(true);
             msgBox.addButton(tr("Yes"), QMessageBox::YesRole);
             msgBox.setIcon(QMessageBox::Information);
             msgBox.setText(tr("Can not get a default application for opening %1.").arg(key));
-            msgBox.exec();
+            msgBox.open();
         }
         break;
     case 1:
@@ -203,11 +203,11 @@ void FileSearchPlugin::initDetailPage()
     connect(m_actionLabel1, &ActionLabel::actionTriggered, [ & ](){
         if(FileUtils::openFile(m_currentActionKey) == -1) {
             QMessageBox msgBox(m_detailPage);
-            msgBox.setWindowModality(Qt::WindowModal);
+            msgBox.setModal(true);
             msgBox.addButton(tr("Yes"), QMessageBox::YesRole);
             msgBox.setIcon(QMessageBox::Information);
             msgBox.setText(tr("Can not get a default application for opening %1.").arg(m_currentActionKey));
-            msgBox.exec();
+            msgBox.open();
         }
     });
     connect(m_actionLabel2, &ActionLabel::actionTriggered, [ & ](){