diff --git a/qt5-ukui-platformtheme/qt5-ukui-platform-theme.cpp b/qt5-ukui-platformtheme/qt5-ukui-platform-theme.cpp
index db01793..14e6db8 100644
--- a/qt5-ukui-platformtheme/qt5-ukui-platform-theme.cpp
+++ b/qt5-ukui-platformtheme/qt5-ukui-platform-theme.cpp
@@ -229,8 +229,7 @@ QVariant Qt5UKUIPlatformTheme::themeHint(ThemeHint hint) const
     case QPlatformTheme::SystemIconFallbackThemeName:
         return "hicolor";
     case QPlatformTheme::IconThemeSearchPaths:
-        //FIXME:
-        return QStringList()<<".local/share/icons"<<"/usr/share/icons"<<"/usr/local/share/icons";
+        return xdgIconThemePaths();
 //    case WheelScrollLines:
 //    {
 //        return QVariant(1);
@@ -241,6 +240,19 @@ QVariant Qt5UKUIPlatformTheme::themeHint(ThemeHint hint) const
     return QPlatformTheme::themeHint(hint);
 }
 
+QStringList Qt5UKUIPlatformTheme::xdgIconThemePaths() const {
+    QStringList paths;
+    // Add home directory first in search path
+    const QFileInfo homeIconDir(QDir::homePath() + QLatin1String("/.icons"));
+    if (homeIconDir.isDir())
+        paths.prepend(homeIconDir.absoluteFilePath());
+
+    paths.append(QStandardPaths::locateAll(QStandardPaths::GenericDataLocation,
+                                           QStringLiteral("icons"),
+                                           QStandardPaths::LocateDirectory));
+    return paths;
+}
+
 QIconEngine *Qt5UKUIPlatformTheme::createIconEngine(const QString &iconName) const
 {
 //    QPluginLoader l(XDG_ICON_ENGINE_PATH);
diff --git a/qt5-ukui-platformtheme/qt5-ukui-platform-theme.h b/qt5-ukui-platformtheme/qt5-ukui-platform-theme.h
index a1b4cbe..086271c 100644
--- a/qt5-ukui-platformtheme/qt5-ukui-platform-theme.h
+++ b/qt5-ukui-platformtheme/qt5-ukui-platform-theme.h
@@ -89,6 +89,9 @@ public:
 public Q_SLOTS:
     void slotChangeStyle(const QString& key);
 
+private:
+    QStringList xdgIconThemePaths() const;
+
 private:
     QFont m_system_font;
     QFont m_fixed_font;
diff --git a/qt5-ukui-platformtheme/widget/filedialog/kyfiledialog.cpp b/qt5-ukui-platformtheme/widget/filedialog/kyfiledialog.cpp
index dbbc8d3..d519dd8 100644
--- a/qt5-ukui-platformtheme/widget/filedialog/kyfiledialog.cpp
+++ b/qt5-ukui-platformtheme/widget/filedialog/kyfiledialog.cpp
@@ -90,7 +90,7 @@ KyNativeFileDialog::KyNativeFileDialog(QWidget *parent)
     pDebug << "QTranslator t3 load" << t3->load("/usr/share/qt5/translations/qt_"+QLocale::system().name());
     QApplication::installTranslator(t3);
 
-    mKyFileDialogUi = new Ui_KyFileDialog;
+    mKyFileDialogUi = new Ui_KyFileDialog(this);
 
 //    setStyle(nullptr);
 
@@ -328,7 +328,7 @@ KyNativeFileDialog::KyNativeFileDialog(QWidget *parent)
     onSwitchView();
     isTableModel();
 
-    m_model = new QStringListModel();
+    m_model = new QStringListModel(this);
     m_completer = new QCompleter(mKyFileDialogUi->m_fileNameEdit);
     m_completer->setModel(m_model);
     m_completer->setMaxVisibleItems(10);
diff --git a/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.cpp b/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.cpp
index ace5800..82c70b8 100644
--- a/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.cpp
+++ b/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.cpp
@@ -37,6 +37,14 @@ KyNativeFileDialogPrivate::KyNativeFileDialogPrivate()
 //    m_container = q->m_container;
 }
 
+KyNativeFileDialogPrivate::~KyNativeFileDialogPrivate()
+{
+    if(m_timer){
+        delete m_timer;
+        m_timer = nullptr;
+    }
+}
+
 QStringList KyNativeFileDialogPrivate::typedFiles()
 {
     /*
diff --git a/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.h b/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.h
index 89485ff..4a9c1c5 100644
--- a/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.h
+++ b/qt5-ukui-platformtheme/widget/filedialog/kyfiledialogprivate.h
@@ -34,8 +34,11 @@ class KyFileDialogHelper;
 class KyNativeFileDialogPrivate
 {
     friend class KyNativeFileDialog;
-private:
+public:
     KyNativeFileDialogPrivate();
+    ~KyNativeFileDialogPrivate();
+
+private:
 
     QStringList typedFiles();
 
diff --git a/qt5-ukui-platformtheme/widget/filedialog/sidebar.cpp b/qt5-ukui-platformtheme/widget/filedialog/sidebar.cpp
index bd6fffb..9e7a2d4 100644
--- a/qt5-ukui-platformtheme/widget/filedialog/sidebar.cpp
+++ b/qt5-ukui-platformtheme/widget/filedialog/sidebar.cpp
@@ -113,8 +113,8 @@ FileDialogSideBar::FileDialogSideBar(QWidget *parent) : QTreeView(parent)
     setAutoScrollMargin(0);
 
 
-    auto delegate = new SideBarItemDelegate(this);
-    setItemDelegate(delegate);
+    m_delegate = new SideBarItemDelegate(this);
+    setItemDelegate(m_delegate);
 
     m_model = new Peony::SideBarModel(this);
     m_proxyModel = new Peony::SideBarProxyFilterSortModel(this);
@@ -243,10 +243,18 @@ FileDialogSideBar::FileDialogSideBar(QWidget *parent) : QTreeView(parent)
 
 FileDialogSideBar::~FileDialogSideBar()
 {
-    m_proxyModel->deleteLater();
-    m_proxyModel = nullptr;
-    m_model->deleteLater();
-    m_model = nullptr;
+    if(m_proxyModel){
+        m_proxyModel->deleteLater();
+        m_proxyModel = nullptr;
+    }
+    if(m_model){
+        m_model->deleteLater();
+        m_model = nullptr;
+    }
+    if(m_delegate){
+        m_delegate->deleteLater();
+        m_delegate = nullptr;
+    }
 }
 
 void FileDialogSideBar::tableModeChanged(bool isTableMode)
diff --git a/qt5-ukui-platformtheme/widget/filedialog/sidebar.h b/qt5-ukui-platformtheme/widget/filedialog/sidebar.h
index 93ee1c8..f58468a 100644
--- a/qt5-ukui-platformtheme/widget/filedialog/sidebar.h
+++ b/qt5-ukui-platformtheme/widget/filedialog/sidebar.h
@@ -56,6 +56,18 @@ private:
 };
 
 
+
+class SideBarItemDelegate : public QStyledItemDelegate
+{
+    friend class FileDialogSideBar;
+    explicit SideBarItemDelegate(QObject *parent = nullptr);
+    ~SideBarItemDelegate(){}
+
+//    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+};
+
+
 class FileDialogSideBar : public QTreeView
 {
 
@@ -73,6 +85,7 @@ public Q_SLOTS:
 private:
     Peony::SideBarProxyFilterSortModel *m_proxyModel = nullptr;
     Peony::SideBarModel *m_model = nullptr;
+    SideBarItemDelegate *m_delegate = nullptr;
 
 Q_SIGNALS:
     void goToUriRequest(const QString &uri, bool addToHistory = true, bool forceUpdate = false);
@@ -80,17 +93,6 @@ Q_SIGNALS:
 };
 
 
-class SideBarItemDelegate : public QStyledItemDelegate
-{
-    friend class FileDialogSideBar;
-    explicit SideBarItemDelegate(QObject *parent = nullptr);
-    ~SideBarItemDelegate(){}
-
-//    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
-    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
-};
-
-
 class SideBarStyle : public QProxyStyle
 {
 public:
diff --git a/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.cpp b/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.cpp
index c5b49ac..aef5ee9 100644
--- a/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.cpp
+++ b/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.cpp
@@ -25,15 +25,234 @@
 #include <QFileDialog>
 #include "kyfiledialog.h"
 #include "debug.h"
+#include <peony-qt/global-settings.h>
+
 //Ui_KyFileDialog::Ui_KyFileDialog(QDialog *parent)
 //{
 //    setupUi(parent);
 //}
 
 
+Ui_KyFileDialog::Ui_KyFileDialog(QWidget *parent) : QWidget(parent)
+{
+
+}
+
+Ui_KyFileDialog::~Ui_KyFileDialog()
+{
+    pDebug << "Ui_KyFileDialog destory111..........";
+/*
+    if(m_pathbarWidget){
+        m_pathbarWidget->deleteLater();
+        m_pathbarWidget = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory122222..........";
+
+    if(m_pathbar){
+        m_pathbar->deleteLater();
+        m_pathbar = nullptr;
+    }
+    if(m_searchBtn){
+        m_searchBtn->deleteLater();
+        m_searchBtn = nullptr;
+    }
+    if(m_backButton){
+        m_backButton->deleteLater();
+        m_backButton = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory3223..........";
+
+    if(m_forwardButton){
+        m_forwardButton->deleteLater();
+        m_forwardButton = nullptr;
+    }
+    if(m_toParentButton){
+        m_toParentButton->deleteLater();
+        m_toParentButton = nullptr;
+    }
+    if(m_modeButton){
+        m_modeButton->deleteLater();
+        m_modeButton = nullptr;
+    }
+    if(m_sortButton){
+        m_sortButton->deleteLater();
+        m_sortButton = nullptr;
+    }
+    if(m_maximizeAndRestore){
+        m_maximizeAndRestore->deleteLater();
+        m_maximizeAndRestore = nullptr;
+    }
+    if(m_closeButton){
+        m_closeButton->deleteLater();
+        m_closeButton = nullptr;
+    }
+    if(m_modeMenu){
+        m_modeMenu->deleteLater();
+        m_modeMenu = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory3555423..........";
+
+    if(m_sortMenu){
+        m_sortMenu->deleteLater();
+        m_sortMenu = nullptr;
+    }
+    if(m_listModeAction){
+        m_listModeAction->deleteLater();
+        m_listModeAction = nullptr;
+    }
+    if(m_iconModeAction){
+        m_iconModeAction->deleteLater();
+        m_iconModeAction = nullptr;
+    }
+    if(m_sider){
+        m_sider->deleteLater();
+        m_sider = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory223322..........";
+
+    if(m_frame){
+        m_frame->deleteLater();
+        m_frame = nullptr;
+    }
+    if(m_splitter){
+        m_splitter->deleteLater();
+        m_splitter = nullptr;
+    }
+    if(vboxLayout){
+        vboxLayout->deleteLater();
+        vboxLayout = nullptr;
+    }
+    if(m_treeView){
+        m_treeView->deleteLater();
+        m_treeView = nullptr;
+    }
+    if(m_fileNameLabel){
+        m_fileNameLabel->deleteLater();
+        m_fileNameLabel = nullptr;
+    }
+    if(m_fileNameEdit){
+       m_fileNameEdit->deleteLater();
+       m_fileNameEdit = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory1245677..........";
+
+    if(m_fileTypeCombo){
+       m_fileTypeCombo->deleteLater();
+       m_fileTypeCombo = nullptr;
+    }
+    if(m_newFolderButton){
+       m_newFolderButton->deleteLater();
+       m_newFolderButton = nullptr;
+    }
+    if(m_acceptButton){
+       m_acceptButton->deleteLater();
+       m_acceptButton = nullptr;
+    }
+    if(m_rejectButton){
+       m_rejectButton->deleteLater();
+       m_rejectButton = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory23467899..........";
+
+    if(m_upSeperate){
+       m_upSeperate->deleteLater();
+       m_upSeperate = nullptr;
+    }
+    if(m_downSeperate){
+       m_downSeperate->deleteLater();
+       m_downSeperate = nullptr;
+    }
+    if(m_widget){
+       m_widget->deleteLater();
+       m_widget = nullptr;
+    }
+    qDebug() << "destory345..........";
+
+    if(m_container){
+        qDebug() << "destory555..........";
+
+       m_container->deleteLater();
+       m_container = nullptr;
+       qDebug() << "destory666..........";
+
+    }
+    qDebug() << "destory777..........";
+
+    if(m_siderWidget){
+       m_siderWidget->deleteLater();
+       m_siderWidget = nullptr;
+    }
+
+    if(m_sortTypeGroup){
+       m_sortTypeGroup->deleteLater();
+       m_sortTypeGroup = nullptr;
+    }
+    if(m_fileName){
+       m_fileName->deleteLater();
+       m_fileName = nullptr;
+    }
+    if(m_modifiedDate){
+       m_modifiedDate->deleteLater();
+       m_modifiedDate = nullptr;
+    }
+    if(m_fileType){
+       m_fileType->deleteLater();
+       m_fileType = nullptr;
+    }
+    if(m_fileSize){
+       m_fileSize->deleteLater();
+       m_fileSize = nullptr;
+    }
+    if(m_originalPath){
+       m_originalPath->deleteLater();
+       m_originalPath = nullptr;
+    }
+    if(m_sortOrderGroup){
+       m_sortOrderGroup->deleteLater();
+       m_sortOrderGroup = nullptr;
+    }
+    if(m_descending){
+       m_descending->deleteLater();
+       m_descending = nullptr;
+    }
+    if(m_ascending){
+       m_ascending->deleteLater();
+       m_ascending = nullptr;
+    }
+    if(m_useGlobalSortAction){
+       m_useGlobalSortAction->deleteLater();
+       m_useGlobalSortAction = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory8888..........";
+
+    if(m_siderLayout){
+       m_siderLayout->deleteLater();
+       m_siderLayout = nullptr;
+    }
+//    if(m_gridLayout){
+//        m_gridLayout->deleteLater();
+//        m_gridLayout= nullptr;
+//    }
+
+    if(m_hHeaderLayout){
+        m_hHeaderLayout->deleteLater();
+        m_hHeaderLayout = nullptr;
+    }
+    if(m_hLineEditLayout){
+        m_hLineEditLayout->deleteLater();
+        m_hLineEditLayout = nullptr;
+    }
+    if(m_hBtnLayout){
+        m_hBtnLayout->deleteLater();
+        m_hBtnLayout = nullptr;
+    }
+    qDebug() << "Ui_KyFileDialog destory123..........";
+*/
+}
+
 void Ui_KyFileDialog::initSortMenu(QDialog *mKyFileDialog)
 {
-    m_sortButton = new MenuToolButton();
+    m_sortButton = new MenuToolButton(this);
     m_sortMenu = new QMenu(m_sortButton);
 
     m_sortTypeGroup = new QActionGroup(m_sortMenu);
@@ -88,7 +307,7 @@ void Ui_KyFileDialog::initSortMenu(QDialog *mKyFileDialog)
 
 void Ui_KyFileDialog::initModeMenu(QDialog *mKyFileDialog)
 {
-    m_modeButton = new MenuToolButton();
+    m_modeButton = new MenuToolButton(this);
     m_modeButton->setPopupMode(QToolButton::InstantPopup);
     m_modeButton->setAutoRaise(true);
     m_modeButton->setFixedSize(QSize(57, 40));
@@ -104,36 +323,36 @@ void Ui_KyFileDialog::initModeMenu(QDialog *mKyFileDialog)
 
 void Ui_KyFileDialog::initSiderBar(QDialog *mKyFileDialog)
 {
-    m_siderWidget = new QWidget();
+    m_siderWidget = new QWidget(this);
     m_siderLayout = new QVBoxLayout();
     m_siderLayout->setContentsMargins(0,0,0,0);
 
-    m_sider = new FileDialogSideBar();
+    m_sider = new FileDialogSideBar(this);
     m_sider->setAttribute(Qt::WA_TranslucentBackground);
 }
 
 void Ui_KyFileDialog::initHeaderBar(QDialog *mKyFileDialog)
 {
-    m_hHeaderLayout = new QHBoxLayout();
+    m_hHeaderLayout = new QHBoxLayout(this);
     initModeMenu(mKyFileDialog);
     initSortMenu(mKyFileDialog);
 
     m_hHeaderLayout->setContentsMargins(0,0,8,0);
     m_hHeaderLayout->setObjectName(QString::fromUtf8("hboxLayout"));
-    m_backButton = new QToolButton();
-    m_forwardButton = new QToolButton();
-    m_toParentButton = new QToolButton();
+    m_backButton = new QToolButton(this);
+    m_forwardButton = new QToolButton(this);
+    m_toParentButton = new QToolButton(this);
 
-    m_pathbarWidget = new FileDialogPathBar();//new Peony::AdvancedLocationBar(mKyFileDialog);//
+    m_pathbarWidget = new FileDialogPathBar(this);//new Peony::AdvancedLocationBar(mKyFileDialog);//
     m_pathbar = m_pathbarWidget->getPathBar();
     m_pathbar->setMinimumWidth(250);
     m_pathbar->setFocusPolicy(Qt::FocusPolicy(m_pathbar->focusPolicy() & ~Qt::TabFocus));
 
-    m_searchBtn = new QToolButton();
+    m_searchBtn = new QToolButton(this);
 
-    m_maximizeAndRestore = new QToolButton();
+    m_maximizeAndRestore = new QToolButton(this);
 
-    m_closeButton = new QToolButton();
+    m_closeButton = new QToolButton(this);
     m_hHeaderLayout->setAlignment(Qt::AlignVCenter);
 
     m_hHeaderLayout->addWidget(m_backButton);
@@ -150,9 +369,9 @@ void Ui_KyFileDialog::initHeaderBar(QDialog *mKyFileDialog)
 
 void Ui_KyFileDialog::initLineEditLayout(QDialog *mKyFileDialog)
 {
-    m_hLineEditLayout = new QHBoxLayout();
+    m_hLineEditLayout = new QHBoxLayout(this);
     m_hLineEditLayout->setContentsMargins(4,0,24,0);
-    m_fileNameLabel = new QLabel();
+    m_fileNameLabel = new QLabel(this);
     m_fileNameLabel->setObjectName(QString::fromUtf8("fileNameLabel"));
     QSizePolicy sizePolicy2(QSizePolicy::Minimum, QSizePolicy::Preferred);
     sizePolicy2.setHorizontalStretch(0);
@@ -171,7 +390,7 @@ void Ui_KyFileDialog::initLineEditLayout(QDialog *mKyFileDialog)
     m_fileNameEdit->setSizePolicy(sizePolicy3);
     pDebug << "44444444444444444";
 
-    m_fileTypeCombo = new FileDialogComboBox();
+    m_fileTypeCombo = new FileDialogComboBox(this);
     QSizePolicy sizePolicy4(QSizePolicy::Expanding, QSizePolicy::Fixed);
     sizePolicy4.setHorizontalStretch(0);
     sizePolicy4.setVerticalStretch(0);
@@ -188,7 +407,7 @@ void Ui_KyFileDialog::initLineEditLayout(QDialog *mKyFileDialog)
 
 void Ui_KyFileDialog::intiBtnLayout(QDialog *mKyFileDialog)
 {
-    m_hBtnLayout = new QHBoxLayout();
+    m_hBtnLayout = new QHBoxLayout(this);
     m_hBtnLayout->addSpacing(20);
     m_hBtnLayout->setContentsMargins(0,0,24,0);
     m_newFolderButton =new QPushButton(mKyFileDialog);
@@ -215,7 +434,10 @@ void Ui_KyFileDialog::setupUi(QDialog *mKyFileDialog)
     if(mKyFileDialog->objectName().isEmpty()) {
         mKyFileDialog->setObjectName(QString::fromUtf8("KyNativeFileDialog"));
     }
-    mKyFileDialog->resize(1160, 635);
+    auto sliderWidth = Peony::GlobalSettings::getInstance()->getValue(DEFAULT_SIDEBAR_WIDTH).toInt();
+    int viewWidth = 125 * 6 + 24;
+    qDebug() << "width..." << sliderWidth + viewWidth;
+    mKyFileDialog->resize(sliderWidth + viewWidth, 635);
 
     mKyFileDialog->setSizeGripEnabled(true);
     mKyFileDialog->setAttribute(Qt::WA_TranslucentBackground);
@@ -224,9 +446,9 @@ void Ui_KyFileDialog::setupUi(QDialog *mKyFileDialog)
     m_gridLayout = new QGridLayout(mKyFileDialog);
     m_gridLayout->setObjectName(QString::fromUtf8("gridLayout"));
 
-    m_container = new Peony::DirectoryViewContainer();
-    m_frame = new QFrame();
-    vboxLayout = new QVBoxLayout();
+    m_container = new Peony::DirectoryViewContainer(this);
+    m_frame = new QFrame(this);
+    vboxLayout = new QVBoxLayout(this);
 
     initSiderBar(mKyFileDialog);
 
@@ -264,7 +486,7 @@ void Ui_KyFileDialog::setupUi(QDialog *mKyFileDialog)
     m_frame->setFrameShape(QFrame::NoFrame);
     m_frame->setLayout(vboxLayout);
 
-    m_splitter = new QSplitter();
+    m_splitter = new QSplitter(this);
     m_splitter->setAttribute(Qt::WA_TranslucentBackground);
     QSizePolicy sizePolicy1(QSizePolicy::Expanding, QSizePolicy::Expanding);
     sizePolicy1.setHorizontalStretch(0);
@@ -276,9 +498,10 @@ void Ui_KyFileDialog::setupUi(QDialog *mKyFileDialog)
     m_siderLayout->addWidget(m_sider);
     m_siderWidget->setLayout(m_siderLayout);
     m_splitter->addWidget(m_siderWidget);
-    m_splitter->setStretchFactor(0, 20);
     m_splitter->addWidget(m_frame);
-    m_splitter->setStretchFactor(1, 40);
+    QList<int> list;
+    list << sliderWidth << viewWidth;
+    m_splitter->setSizes(list);
     int siderWidIndex = m_splitter->indexOf(m_siderWidget);
     int frameIndex = m_splitter->indexOf(m_frame);
     m_splitter->setCollapsible(siderWidIndex, false);
diff --git a/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.h b/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.h
index a2c487c..ec69c0d 100644
--- a/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.h
+++ b/qt5-ukui-platformtheme/widget/filedialog/ui_kyfiledialog.h
@@ -53,10 +53,12 @@
 namespace Peony {
 class DirectoryViewContainer;
 }
-class Ui_KyFileDialog
+class Ui_KyFileDialog: public QWidget
 {
-public:
-    //    explicit Ui_KyFileDialog;
+    QOBJECT_H
+    public:
+        explicit Ui_KyFileDialog(QWidget *parent = nullptr);
+    ~Ui_KyFileDialog();
 
     QGridLayout *m_gridLayout = nullptr;
     QHBoxLayout *m_hHeaderLayout = nullptr;
diff --git a/qt5-ukui-platformtheme/widget/messagebox/message-box.cpp b/qt5-ukui-platformtheme/widget/messagebox/message-box.cpp
index 4f984ea..f5bfeef 100644
--- a/qt5-ukui-platformtheme/widget/messagebox/message-box.cpp
+++ b/qt5-ukui-platformtheme/widget/messagebox/message-box.cpp
@@ -156,7 +156,7 @@ MessageBox::MessageBox(QWidget *parent) : QDialog(*new MessageBoxPrivate, parent
     Q_D(MessageBox);
 
     const QString locale = QLocale::system().name();
-    QTranslator *translator = new QTranslator();
+    QTranslator *translator = new QTranslator(this);
     if (translator->load("/usr/share/qt5-ukui-platformtheme/qt5-ukui-platformtheme_" + locale)) {
         if(!QApplication::installTranslator(translator))
             qWarning() << "Install translator failed!" << locale;
@@ -1361,7 +1361,10 @@ MessageBoxHelper::MessageBoxHelper() : QPlatformMessageDialogHelper(), mMessageB
 
 MessageBoxHelper::~MessageBoxHelper()
 {
-
+    if(mMessageBox){
+        mMessageBox->deleteLater();
+        mMessageBox = nullptr;
+    }
 }
 
 void MessageBoxHelper::exec()
@@ -1383,7 +1386,7 @@ bool MessageBoxHelper::show(Qt::WindowFlags windowFlags, Qt::WindowModality wind
 {
     initDialog(windowFlags, windowModality, parent);
 
-    if (parent) {
+    if (parent && mMessageBox->find(parent->winId())) {
         if (QWidget *p = mMessageBox->find(parent->winId())) {
             for(QMessageBox *mb : p->findChildren<QMessageBox *>())
             {
@@ -1425,6 +1428,9 @@ bool MessageBoxHelper::show(Qt::WindowFlags windowFlags, Qt::WindowModality wind
             for (QMessageBox *mb : p->findChildren<QMessageBox *>()) {
                 if (mb->icon() == options()->icon() && mb->windowTitle() == options()->windowTitle() && mb->text() == options()->text()
                         && mb->informativeText() == options()->informativeText() && mb->detailedText() == options()->detailedText()) {
+                    if(mb->escapeButton() && mMessageBox->escapeButton() != mb->escapeButton())
+                        mMessageBox->setEscapeButton(mb->escapeButton());
+
                     if(mb->defaultButton()){
                         QString btnText = mb->defaultButton()->text();
                         foreach (QAbstractButton* btn, mMessageBox->buttons()) {
@@ -1454,13 +1460,16 @@ bool MessageBoxHelper::show(Qt::WindowFlags windowFlags, Qt::WindowModality wind
             mMessageBox->setWindowFlag(Qt::Dialog);
     }
 
-    if(parent == nullptr)
+    if(parent == nullptr || mMessageBox->find(parent->winId()) == nullptr)
     {
         QList<QWidget *> widgets = QApplication::allWidgets();
         foreach (QWidget *w, widgets) {
             if(QMessageBox *mb = qobject_cast<QMessageBox *>(w)) {
                 if (mb->icon() == options()->icon() && mb->windowTitle() == options()->windowTitle() && mb->text() == options()->text()
                         && mb->informativeText() == options()->informativeText() && mb->detailedText() == options()->detailedText()) {
+                    if(mb->escapeButton() && mMessageBox->escapeButton() != mb->escapeButton())
+                        mMessageBox->setEscapeButton(mb->escapeButton());
+
                     if(mb->defaultButton() == nullptr)
                         break;
                     QString btnText = mb->defaultButton()->text();