fix(frontend):将通过QIcon和XdgIcon获取图标的方法加锁，避免多线程调用崩溃

2023-09-01 17:30:21 +08:00 · 2023-09-01 17:30:21 +08:00 · 81f4a315ee
parent 1354acbc44
commit 81f4a315ee
30 changed files with 351 additions and 1775 deletions
--- a/frontend/control/create-index-ask-dialog.cpp
+++ b/frontend/control/create-index-ask-dialog.cpp
@ -22,6 +22,7 @@
 #include "create-index-ask-dialog.h"
 #include <QPainterPath>
 #include <KWindowSystem>
+#include "icon-loader.h"

 #define MAIN_SIZE QSize(380, 202)
 #define MAIN_SPACING 0
@ -61,16 +62,16 @@ void CreateIndexAskDialog::initUi() {
    m_titleFrame->setLayout(m_titleLyt);
    m_iconLabel = new QLabel(m_titleFrame);
    m_iconLabel->setFixedSize(ICON_SIZE);
-    m_iconLabel->setPixmap(QIcon::fromTheme("kylin-search").pixmap(QSize(24, 24)));
+    m_iconLabel->setPixmap(IconLoader::loadIconQt("kylin-search").pixmap(QSize(24, 24)));
    //主题改变时，更新自定义标题栏的图标
    connect(qApp, &QApplication::paletteChanged, this, [ = ]() {
-        m_iconLabel->setPixmap(QIcon::fromTheme("kylin-search").pixmap(QSize(24, 24)));
+        m_iconLabel->setPixmap(IconLoader::loadIconQt("kylin-search").pixmap(QSize(24, 24)));
    });
    m_titleLabel = new QLabel(m_titleFrame);
    m_titleLabel->setText(tr("Search"));
    m_closeBtn = new QPushButton(m_titleFrame);
    m_closeBtn->setFixedSize(CLOSE_BTN_SIZE);
-    m_closeBtn->setIcon(QIcon::fromTheme("window-close-symbolic"));
+    m_closeBtn->setIcon(IconLoader::loadIconQt("window-close-symbolic"));
    m_closeBtn->setProperty("isWindowButton", 0x02);
    m_closeBtn->setProperty("useIconHighlightEffect", 0x08);
    m_closeBtn->setFlat(true);
--- a/frontend/control/list-labels/show-more-label.cpp
+++ b/frontend/control/list-labels/show-more-label.cpp
@ -19,6 +19,7 @@
 *
 */
 #include "show-more-label.h"
+#include "icon-loader.h"
 #include <QEvent>
 #include <QDebug>
 #include <QIcon>
@ -30,13 +31,13 @@ ShowMoreLabel::ShowMoreLabel(QWidget *parent) : QWidget(parent) {

 void ShowMoreLabel::resetLabel() {
    m_isOpen = false;
-    m_iconLabel->setPixmap(QIcon::fromTheme("ukui-down-symbolic", QIcon(":/res/icons/ukui-down-symbolic.svg")).pixmap(QSize(16, 16)));
+    m_iconLabel->setPixmap(IconLoader::loadIconQt("ukui-down-symbolic", QIcon(":/res/icons/ukui-down-symbolic.svg")).pixmap(QSize(16, 16)));
 }

 void ShowMoreLabel::setLabel()
 {
    m_isOpen = true;
-    m_iconLabel->setPixmap(QIcon::fromTheme("ukui-up-symbolic", QIcon(":/res/icons/ukui-up-symbolic.svg")).pixmap(QSize(16, 16)));
+    m_iconLabel->setPixmap(IconLoader::loadIconQt("ukui-up-symbolic", QIcon(":/res/icons/ukui-up-symbolic.svg")).pixmap(QSize(16, 16)));
 }

 /**
@ -53,7 +54,7 @@ void ShowMoreLabel::initUi() {
    m_layout = new QHBoxLayout(this);
    m_layout->setContentsMargins(0, 0, 0, 6);
    m_iconLabel = new QLabel(this);
-    m_iconLabel->setPixmap(QIcon::fromTheme("ukui-down-symbolic", QIcon(":/res/icons/ukui-down-symbolic.svg")).pixmap(QSize(16, 16)));
+    m_iconLabel->setPixmap(IconLoader::loadIconQt("ukui-down-symbolic", QIcon(":/res/icons/ukui-down-symbolic.svg")).pixmap(QSize(16, 16)));
    m_iconLabel->setCursor(QCursor(Qt::PointingHandCursor));
    m_iconLabel->installEventFilter(this);
 //    m_loadingIconLabel = new QLabel(this); //使用图片显示加载状态时，取消此label的注释
@ -73,11 +74,11 @@ bool ShowMoreLabel::eventFilter(QObject *watched, QEvent *event) {
        if(event->type() == QEvent::MouseButtonPress) {
            if(! m_timer->isActive()) {
                if(!m_isOpen) {
-                    m_iconLabel->setPixmap(QIcon::fromTheme("ukui-up-symbolic", QIcon(":/res/icons/ukui-up-symbolic.svg")).pixmap(QSize(16, 16)));
+                    m_iconLabel->setPixmap(IconLoader::loadIconQt("ukui-up-symbolic", QIcon(":/res/icons/ukui-up-symbolic.svg")).pixmap(QSize(16, 16)));
                    m_isOpen = true;
                    Q_EMIT this->showMoreClicked();
                } else {
-                    m_iconLabel->setPixmap(QIcon::fromTheme("ukui-down-symbolic", QIcon(":/res/icons/ukui-down-symbolic.svg")).pixmap(QSize(16, 16)));
+                    m_iconLabel->setPixmap(IconLoader::loadIconQt("ukui-down-symbolic", QIcon(":/res/icons/ukui-down-symbolic.svg")).pixmap(QSize(16, 16)));
                    m_isOpen = false;
                    Q_EMIT this->retractClicked();
                }
--- a/frontend/control/search-line-edit.cpp
+++ b/frontend/control/search-line-edit.cpp
@ -19,6 +19,7 @@
 *
 */
 #include "search-line-edit.h"
+#include "icon-loader.h"
 #include <KWindowEffects>
 #include <QApplication>
 #include <QPainterPath>
@ -39,12 +40,7 @@ SearchLineEdit::SearchLineEdit(QWidget *parent) : QLineEdit(parent) {
    this->setDragEnabled(true);

    m_queryIcon = new QLabel;
-    QPixmap pixmap;
-    if (!QIcon::fromTheme("system-search-symbolic").isNull()) {
-        pixmap =  QPixmap(QIcon::fromTheme("system-search-symbolic").pixmap(QSize(18, 18)));
-    } else {
-        pixmap =  QPixmap(QIcon(":/res/icons/system-search.symbolic.png").pixmap(QSize(18, 18)));
-    }
+    QPixmap pixmap = QPixmap(IconLoader::loadIconQt("system-search-symbolic", QIcon(":/res/icons/system-search.symbolic.png")).pixmap(QSize(18, 18)));
    m_queryIcon->setProperty("useIconHighlightEffect", 0x10);
    m_queryIcon->setFixedSize(pixmap.size() / pixmap.devicePixelRatio());
    m_queryIcon->setPixmap(pixmap);
--- a/frontend/control/settings-widget.cpp
+++ b/frontend/control/settings-widget.cpp
@ -1,594 +0,0 @@
-/*
- *
- * Copyright (C) 2020, KylinSoft Co., Ltd.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- * Authors: zhangjiaping <zhangjiaping@kylinos.cn>
- *
- */
-#include "settings-widget.h"
-#include <QPainter>
-#include <QPainterPath>
-#include <QFileDialog>
-#include <QDir>
-#include <QDebug>
-#include <QMessageBox>
-#include "global-settings.h"
-#include "file-utils.h"
-
-using namespace UkuiSearch;
-extern void qt_blurImage(QImage &blurImage, qreal radius, bool quality, int transposed);
-SettingsWidget::SettingsWidget(QWidget *parent) : QWidget(parent) {
-//    this->setWindowIcon(QIcon::fromTheme("kylin-search"));
-    this->setWindowTitle(tr("ukui-search-settings"));
-//    this->setWindowFlags(Qt::CustomizeWindowHint | Qt::FramelessWindowHint);
-//    this->setAttribute(Qt::WA_TranslucentBackground);
-
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
-    m_hints.flags = MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS;
-    m_hints.functions = MWM_FUNC_ALL;
-    m_hints.decorations = MWM_DECOR_BORDER;
-    XAtomHelper::getInstance()->setWindowMotifHint(winId(), m_hints);
-#endif
-
-    initUi();
-    refreshIndexState();
-    setupBlackList(GlobalSettings::getInstance()->getBlockDirs());
-    resetWebEngine();
-}
-
-SettingsWidget::~SettingsWidget() {
-}
-
-/**
- * @brief SettingsWidget::initUi 初始化界面UI
- */
-void SettingsWidget::initUi() {
-    QPalette pal = palette();
-    pal.setColor(QPalette::Window, QColor(0, 0, 0, 0));
-//    this->setFixedWidth(528);
-//    this->setMinimumHeight(460);
-//    this->setMaximumHeight(680);
-    m_mainLyt = new QVBoxLayout(this);
-    m_mainLyt->setContentsMargins(16, 8, 16, 24);
-    this->setLayout(m_mainLyt);
-
-    //标题栏
-    m_titleFrame = new QFrame(this);
-    m_titleFrame->setFixedHeight(40);
-    m_titleLyt = new QHBoxLayout(m_titleFrame);
-    m_titleLyt->setContentsMargins(0, 0, 0, 0);
-    m_titleFrame->setLayout(m_titleLyt);
-    m_titleIcon = new QLabel(m_titleFrame);
-    m_titleIcon->setPixmap(QIcon::fromTheme("kylin-search").pixmap(QSize(24, 24)));
-    //主题改变时，更新自定义标题栏的图标
-    connect(qApp, &QApplication::paletteChanged, this, [ = ]() {
-        m_titleIcon->setPixmap(QIcon::fromTheme("kylin-search").pixmap(QSize(24, 24)));
-    });
-    m_titleLabel = new QLabel(m_titleFrame);
-    m_titleLabel->setText(tr("Search"));
-    m_closeBtn = new QPushButton(m_titleFrame);
-    m_closeBtn->setFixedSize(24, 24);
-//    m_closeBtn->setIcon(QIcon(":/res/icons/close.svg"));
-    m_closeBtn->setIcon(QIcon::fromTheme("window-close-symbolic"));
-    m_closeBtn->setProperty("isWindowButton", 0x02);
-    m_closeBtn->setProperty("useIconHighlightEffect", 0x08);
-    m_closeBtn->setFlat(true);
-    connect(m_closeBtn, &QPushButton::clicked, this, [ = ]() {
-        Q_EMIT this->settingWidgetClosed();
-        m_timer->stop();
-        this->close();
-    });
-    m_titleLyt->addWidget(m_titleIcon);
-    m_titleLyt->addWidget(m_titleLabel);
-    m_titleLyt->addStretch();
-    m_titleLyt->addWidget(m_closeBtn);
-    m_mainLyt->addWidget(m_titleFrame);
-
-    m_contentFrame = new QFrame(this);
-    m_contentLyt = new QVBoxLayout(m_contentFrame);
-    m_contentFrame->setLayout(m_contentLyt);
-    m_contentLyt->setContentsMargins(8, 0, 8, 0);
-    m_mainLyt->addWidget(m_contentFrame);
-
-    //设置
-    m_settingLabel = new QLabel(m_contentFrame);
-    m_settingLabel->setText(tr("<h2>Settings</h2>"));
-    m_contentLyt->addWidget(m_settingLabel);
-
-    //文件索引
-    m_indexTitleLabel = new QLabel(m_contentFrame);
-    m_indexTitleLabel->setText(tr("<h3>Index State</h3>"));
-    m_indexStateLabel = new QLabel(m_contentFrame);
-    m_indexStateLabel->setText(tr("..."));
-    m_indexNumLabel = new QLabel(m_contentFrame);
-    m_indexNumLabel->setText(tr("..."));
-    m_contentLyt->addWidget(m_indexTitleLabel);
-    m_contentLyt->addWidget(m_indexStateLabel);
-//    m_mainLyt->addWidget(m_indexNumLabel);
-    m_indexNumLabel->hide();
-
-    //文件索引设置（黑名单）
-    m_indexSettingLabel = new QLabel(m_contentFrame);
-    m_indexSettingLabel->setText(tr("<h3>File Index Settings</h3>"));
-    m_indexDescLabel = new QLabel(m_contentFrame);
-    m_indexDescLabel->setText(tr("Following folders will not be searched. You can set it by adding and removing folders."));
-    m_indexDescLabel->setWordWrap(true);
-    m_indexBtnFrame = new QFrame(m_contentFrame);
-    m_indexBtnLyt = new QHBoxLayout(m_indexBtnFrame);
-    m_indexBtnLyt->setContentsMargins(0, 0, 0, 0);
-    m_indexBtnFrame->setLayout(m_indexBtnLyt);
-    m_addDirBtn = new QPushButton(m_indexBtnFrame);
-    m_addDirBtn->setFixedHeight(32);
-    m_addDirBtn->setMinimumWidth(164);
-    m_addDirBtn->setText(tr("Add ignored folders"));
-    connect(m_addDirBtn, &QPushButton::clicked, this, &SettingsWidget::onBtnAddClicked);
-    m_indexBtnLyt->addWidget(m_addDirBtn);
-    m_indexBtnLyt->addStretch();
-    m_dirListArea = new QScrollArea(m_contentFrame);
-    m_dirListArea->setPalette(pal);
-    m_dirListArea->setFrameShape(QFrame::Shape::NoFrame);
-    m_dirListWidget = new QWidget(m_contentFrame);
-    m_dirListLyt = new QVBoxLayout(m_dirListWidget);
-    m_dirListLyt->setContentsMargins(0, 0, 0, 0);
-    m_dirListLyt->setSpacing(0);
-    m_dirListWidget->setLayout(m_dirListLyt);
-    m_dirListArea->setWidget(m_dirListWidget);
-    m_dirListArea->setWidgetResizable(m_contentFrame);
-    m_contentLyt->addWidget(m_indexSettingLabel);
-    m_contentLyt->addWidget(m_indexDescLabel);
-    m_contentLyt->addWidget(m_indexBtnFrame);
-    m_contentLyt->addWidget(m_dirListArea);
-
-    //搜索引擎设置
-    m_searchEngineLabel = new QLabel(m_contentFrame);
-    m_searchEngineLabel->setText(tr("<h3>Search Engine Settings</h3>"));
-    m_engineDescLabel = new QLabel(m_contentFrame);
-    m_engineDescLabel->setText(tr("Please select search engine you preferred."));
-    m_engineDescLabel->setWordWrap(true);
-    m_engineBtnGroup = new QButtonGroup(m_contentFrame);
-    m_baiduBtn = new QRadioButton(m_contentFrame);
-    m_sougouBtn = new QRadioButton(m_contentFrame);
-    m_360Btn = new QRadioButton(m_contentFrame);
-    m_baiduBtn->setFixedSize(16, 16);
-    m_sougouBtn->setFixedSize(16, 16);
-    m_360Btn->setFixedSize(16, 16);
-    m_radioBtnFrame = new QFrame(m_contentFrame);
-    m_radioBtnLyt = new QHBoxLayout(m_radioBtnFrame);
-    m_radioBtnFrame->setLayout(m_radioBtnLyt);
-    m_baiduLabel = new QLabel();
-    m_baiduLabel->setText(tr("baidu"));
-    m_sougouLabel = new QLabel();
-    m_sougouLabel->setText(tr("sougou"));
-    m_360Label = new QLabel();
-    m_360Label->setText(tr("360"));
-    m_radioBtnLyt->setContentsMargins(0, 0, 0, 0);
-    m_radioBtnLyt->addWidget(m_baiduBtn);
-    m_radioBtnLyt->addWidget(m_baiduLabel);
-    m_radioBtnLyt->addWidget(m_sougouBtn);
-    m_radioBtnLyt->addWidget(m_sougouLabel);
-    m_radioBtnLyt->addWidget(m_360Btn);
-    m_radioBtnLyt->addWidget(m_360Label);
-    m_radioBtnLyt->addStretch();
-    m_engineBtnGroup->setExclusive(true);
-    m_engineBtnGroup->addButton(m_baiduBtn);
-    m_engineBtnGroup->addButton(m_sougouBtn);
-    m_engineBtnGroup->addButton(m_360Btn);
-//    m_engineBtnGroup->setId(m_baiduBtn, WebEngine::Baidu);
-//    m_engineBtnGroup->setId(m_sougouBtn, WebEngine::Sougou);
-//    m_engineBtnGroup->setId(m_360Btn, WebEngine::_360);
-//    connect(m_engineBtnGroup, QOverload<int>::of(&QButtonGroup::buttonClicked), [ = ] (int id) {
-//        setWebEngine(id);
-//    });
-    connect(m_baiduBtn, &QRadioButton::clicked, [ = ](bool checked) {
-        if(checked) setWebEngine("baidu");
-    });
-    connect(m_sougouBtn, &QRadioButton::clicked, [ = ](bool checked) {
-        if(checked) setWebEngine("sougou");
-    });
-    connect(m_360Btn, &QRadioButton::clicked, [ = ](bool checked) {
-        if(checked) setWebEngine("360");
-    });
-
-    m_contentLyt->addWidget(m_searchEngineLabel);
-    m_contentLyt->addWidget(m_engineDescLabel);
-    m_contentLyt->addWidget(m_radioBtnFrame);
-
-    //取消与确认按钮 （隐藏）
-//    m_bottomBtnFrame = new QFrame(this);
-//    m_bottomBtnLyt = new QHBoxLayout(m_bottomBtnFrame);
-//    m_bottomBtnFrame->setLayout(m_bottomBtnLyt);
-//    m_bottomBtnLyt->setSpacing(20);
-//    m_cancelBtn = new QPushButton(m_bottomBtnFrame);
-//    m_cancelBtn->setText(tr("Cancel"));
-//    m_cancelBtn->setFixedSize(80, 32);
-//    connect(m_cancelBtn, &QPushButton::clicked, this, &SettingsWidget::onBtnCancelClicked);
-//    m_confirmBtn = new QPushButton(m_bottomBtnFrame);
-//    m_confirmBtn->setText(tr("Confirm"));
-//    m_confirmBtn->setFixedSize(80, 32);
-//    connect(m_confirmBtn, &QPushButton::clicked, this, &SettingsWidget::onBtnConfirmClicked);
-//    m_bottomBtnLyt->addStretch();
-//    m_bottomBtnLyt->addWidget(m_cancelBtn);
-//    m_bottomBtnLyt->addWidget(m_confirmBtn);
-//    m_mainLyt->addWidget(m_bottomBtnFrame);
-
-    m_contentLyt->addStretch();
-
-#if (QT_VERSION < QT_VERSION_CHECK(5, 12, 0))
-    this->m_titleFrame->hide();
-    setAttribute(Qt::WA_DeleteOnClose);
-#endif
-}
-
-/**
- * @brief SettingsWidget::setupBlackList 创建黑名单列表
- * @param list 文件夹路径列表
- */
-void SettingsWidget::setupBlackList(const QStringList& list) {
-    clearLayout(m_dirListLyt);
-    m_blockdirs = 0;
-    Q_FOREACH(QString path, list) {
-        FolderListItem * item = new FolderListItem(m_dirListWidget, path);
-        m_dirListLyt->addWidget(item);
-        item->setMaximumWidth(this->width() - 52);
-        connect(item, &FolderListItem::onDelBtnClicked, this, &SettingsWidget::onBtnDelClicked);
-        m_blockdirs ++;
-    }
-    this->resize();
-    m_dirListWidget->setFixedWidth(this->width() - 68);
-//    m_dirListLyt->addStretch();
-}
-
-/**
- * @brief SettingsWidget::clearLayout 清空某个布局
- * @param layout 需要清空的布局
- */
-void SettingsWidget::clearLayout(QLayout * layout) {
-    if(! layout) return;
-    QLayoutItem * child;
-    while((child = layout->takeAt(0)) != 0) {
-        if(child->widget()) {
-            child->widget()->setParent(NULL);
-        }
-        delete child;
-    }
-    child = NULL;
-}
-
-/**
- * @brief SettingsWidget::refreshIndexState 定时刷新索引项
- */
-void SettingsWidget::refreshIndexState() {
-//    qDebug()<<"FileUtils::indexStatus: "<<FileUtils::indexStatus;
-    if(FileUtils::indexStatus != 0) {
-        this->setIndexState(true);
-    } else {
-        this->setIndexState(false);
-    }
-    m_indexNumLabel->setText(QString("%1/%2").arg(QString::number(SearchManager::getCurrentIndexCount())).arg(QString::number(FileUtils::maxIndexCount)));
-    m_timer = new QTimer;
-    connect(m_timer, &QTimer::timeout, this, [ = ]() {
-        qDebug() << "FileUtils::indexStatus: " << FileUtils::indexStatus;
-        if(FileUtils::indexStatus != 0) {
-            this->setIndexState(true);
-        } else {
-            this->setIndexState(false);
-        }
-        m_indexNumLabel->setText(QString("%1/%2").arg(QString::number(SearchManager::getCurrentIndexCount())).arg(QString::number(FileUtils::maxIndexCount)));
-    });
-    m_timer->start(0.5 * 1000);
-}
-
-/**
- * @brief SettingsWidget::onBtnDelClicked 删除黑名单中的目录
- * @param path 文件夹路径
- */
-void SettingsWidget::onBtnDelClicked(const QString& path) {
-    QMessageBox message(QMessageBox::Question, tr("Search"), tr("Whether to delete this directory?"));
-    QPushButton * buttonYes = message.addButton(tr("Yes"), QMessageBox::YesRole);
-    message.addButton(tr("No"), QMessageBox::NoRole);
-    message.exec();
-    if(message.clickedButton() != buttonYes) {
-        return;
-    }
-
-    int returnCode = 0;
-    if(GlobalSettings::getInstance()->setBlockDirs(path, returnCode, true)) {
-        qDebug() << "Remove block dir in onBtnDelClicked() successed.";
-        Q_FOREACH(FolderListItem * item, m_dirListWidget->findChildren<FolderListItem*>()) {
-            if(item->getPath() == path) {
-                item->deleteLater();
-                item = NULL;
-                m_blockdirs --;
-                this->resize();
-                return;
-            }
-        }
-    } else {
-        showWarningDialog(returnCode);
-    }
-}
-
-/**
- * @brief SettingsWidget::resetWebEngine 获取当前的搜索引擎并反映在UI控件上
- */
-void SettingsWidget::resetWebEngine() {
-    QString engine = GlobalSettings::getInstance()->getValue(WEB_ENGINE).toString();
-    m_engineBtnGroup->blockSignals(true);
-    if(!engine.isEmpty()) {
-        if(engine == "360") {
-            m_360Btn->setChecked(true);
-        } else if(engine == "sougou") {
-            m_sougouBtn->setChecked(true);
-        } else {
-            m_baiduBtn->setChecked(true);
-        }
-    } else {
-        m_baiduBtn->setChecked(true);
-    }
-    m_engineBtnGroup->blockSignals(false);
-}
-
-/**
- * @brief SettingsWidget::setWebEngine
- * @param engine 选择的搜索引擎
- */
-void SettingsWidget::setWebEngine(const QString& engine) {
-//    GlobalSettings::getInstance()->setValue(WEB_ENGINE, engine);
-    Q_EMIT this->webEngineChanged(engine);
-}
-
-/**
- * @brief setIndexState 设置当前索引状态
- * @param isCreatingIndex 是否正在创建索引
- */
-void SettingsWidget::setIndexState(bool isCreatingIndex) {
-    if(isCreatingIndex) {
-        m_indexStateLabel->setText(tr("Creating ..."));
-        return;
-    }
-    m_indexStateLabel->setText(tr("Done"));
-}
-
-/**
- * @brief SettingsWidget::setIndexNum 设置当前索引项数量
- * @param num 索引项数量
- */
-void SettingsWidget::setIndexNum(int num) {
-    m_indexNumLabel->setText(QString(tr("Index Entry: %1")).arg(QString::number(num)));
-}
-
-/**
- * @brief SettingsWidget::showWidget 显示此窗口
- */
-void SettingsWidget::showWidget() {
-    Qt::WindowFlags flags = this->windowFlags();
-    flags |= Qt::WindowStaysOnTopHint;
-    this->setWindowFlags(flags);
-    flags &= ~Qt::WindowStaysOnTopHint;
-    this->setWindowFlags(flags);
-    m_timer->start();
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
-    XAtomHelper::getInstance()->setWindowMotifHint(winId(), m_hints);
-#endif
-    this->show();
-}
-
-///**
-// * @brief SettingsWidget::onBtnConfirmClicked 点击确认按钮的槽函数
-// */
-//void SettingsWidget::onBtnConfirmClicked() {
-//    Q_EMIT this->settingWidgetClosed();
-//    m_timer->stop();
-//    this->close();
-//}
-
-///**
-// * @brief SettingsWidget::onBtnCancelClicked 点击取消按钮的槽函数
-// */
-//void SettingsWidget::onBtnCancelClicked() {
-//    Q_EMIT this->settingWidgetClosed();
-//    m_timer->stop();
-//    this->close();
-//}
-
-/**
- * @brief SettingsWidget::onBtnAddClicked 点击添加黑名单按钮的槽函数
- */
-void SettingsWidget::onBtnAddClicked() {
-    QFileDialog * fileDialog = new QFileDialog(this);
-//    fileDialog->setFileMode(QFileDialog::Directory); //允许查看文件和文件夹，但只允许选择文件夹
-    fileDialog->setFileMode(QFileDialog::DirectoryOnly); //只允许查看文件夹
-//    fileDialog->setViewMode(QFileDialog::Detail);
-    fileDialog->setDirectory(QDir::homePath());
-    fileDialog->setNameFilter(tr("Directories"));
-    fileDialog->setWindowTitle(tr("select blocked folder"));
-    fileDialog->setLabelText(QFileDialog::Accept, tr("Select"));
-    fileDialog->setLabelText(QFileDialog::LookIn, tr("Position: "));
-    fileDialog->setLabelText(QFileDialog::FileName, tr("FileName: "));
-    fileDialog->setLabelText(QFileDialog::FileType, tr("FileType: "));
-    fileDialog->setLabelText(QFileDialog::Reject, tr("Cancel"));
-    if(fileDialog->exec() != QDialog::Accepted) {
-        fileDialog->deleteLater();
-        return;
-    }
-    QString selectedDir = 0;
-    int returnCode;
-    selectedDir = fileDialog->selectedFiles().first();
-    qDebug() << "Selected a folder in onBtnAddClicked(): " << selectedDir << ". ->settings-widget.cpp #238";
-    if(GlobalSettings::getInstance()->setBlockDirs(selectedDir, returnCode)) {
-        setupBlackList(GlobalSettings::getInstance()->getBlockDirs());
-        qDebug() << "Add block dir in onBtnAddClicked() successed. ->settings-widget.cpp #238";
-    } else {
-        showWarningDialog(returnCode);
-    }
-}
-
-/**
- * @brief SettingsWidget::paintEvent 绘制弹窗阴影
- * @param event
- */
-void SettingsWidget::paintEvent(QPaintEvent *event) {
-    Q_UNUSED(event)
-
-    QPainter p(this);
-    p.setRenderHint(QPainter::Antialiasing);
-    QPainterPath rectPath;
-    rectPath.addRect(this->rect());
-
-    // 绘制一个背景
-    p.save();
-    p.fillPath(rectPath, palette().color(QPalette::Base));
-    p.restore();
-}
-
-/**
- * @brief SettingsWidget::resize 重新计算窗口应有大小
- */
-void SettingsWidget::resize() {
-//    if (m_blockdirs <= 1) {
-//        this->setFixedSize(528, 455);
-//    } else if (m_blockdirs <= 3) {
-//        this->setFixedSize(528, 425 + 30 * m_blockdirs);
-//    } else {
-//        this->setFixedSize(528, 515);
-//    }
-    if(m_blockdirs <= 4) {
-        m_dirListArea->setFixedHeight(32 * m_blockdirs + 4);
-        m_dirListWidget->setFixedHeight(32 * m_blockdirs);
-    } else {
-        m_dirListWidget->setFixedHeight(32 * m_blockdirs);
-        m_dirListArea->setFixedHeight(32 * 4 + 4);
-    }
-    this->setFixedSize(528, 410 + m_dirListArea->height());
-}
-
-/**
- * @brief SettingsWidget::showWarningDialog 显示警告弹窗
- * @param errorCode 错误码
- */
-void SettingsWidget::showWarningDialog(const int & errorCode) {
-    qWarning() << "Add block dir in onBtnAddClicked() failed. Code: " << errorCode << " ->settings-widget.cpp #238";
-    QString errorMessage;
-    switch(errorCode) {
-    case 1: {
-        errorMessage = tr("Choosen path is Empty!");
-        break;
-    }
-    case 2: {
-        errorMessage = tr("Choosen path is not in \"home\"!");
-        break;
-    }
-    case 3: {
-        errorMessage = tr("Its' parent folder has been blocked!");
-        break;
-    }
-    default: {
-        errorMessage = tr("Set blocked folder failed!");
-        break;
-    }
-    }
-    QMessageBox message(QMessageBox::Warning, tr("Search"), errorMessage);
-    message.addButton(tr("OK"), QMessageBox::AcceptRole);
-    message.exec();
-}
-
-
-FolderListItem::FolderListItem(QWidget *parent, const QString &path) : QWidget(parent) {
-    m_path = path;
-    initUi();
-}
-
-FolderListItem::~FolderListItem() {
-
-}
-
-/**
- * @brief FolderListItem::initUi 构建ui
- */
-void FolderListItem::initUi() {
-    m_layout = new QVBoxLayout(this);
-    m_layout->setSpacing(0);
-    m_layout->setContentsMargins(0, 0, 0, 0);
-    m_widget = new QWidget(this);
-    m_widget->setObjectName("mWidget");
-    this->setFixedHeight(32);
-    m_layout->addWidget(m_widget);
-    m_widgetlayout = new QHBoxLayout(m_widget);
-    m_widgetlayout->setContentsMargins(8, 4, 8, 4);
-    m_widget->setLayout(m_widgetlayout);
-
-    m_iconLabel = new QLabel(m_widget);
-    m_pathLabel = new QLabel(m_widget);
-    m_delLabel = new QLabel(m_widget);
-    m_iconLabel->setPixmap(QIcon::fromTheme("inode-directory").pixmap(QSize(16, 16)));
-    m_pathLabel->setText(m_path);
-    m_delLabel->setText(tr("Delete the folder out of blacklist"));
-    QPalette pal = palette();
-    pal.setColor(QPalette::WindowText, QColor(55, 144, 250, 255));
-    m_delLabel->setPalette(pal);
-    m_delLabel->setCursor(QCursor(Qt::PointingHandCursor));
-    m_delLabel->installEventFilter(this);
-    m_delLabel->hide();
-    m_widgetlayout->addWidget(m_iconLabel);
-    m_widgetlayout->addWidget(m_pathLabel);
-    m_widgetlayout->addStretch();
-    m_widgetlayout->addWidget(m_delLabel);
-}
-
-/**
- * @brief FolderListItem::getPath 获取当前文件夹路径
- * @return
- */
-QString FolderListItem::getPath() {
-    return m_path;
-}
-
-/**
- * @brief FolderListItem::enterEvent 鼠标移入事件
- * @param event
- */
-void FolderListItem::enterEvent(QEvent *event) {
-    m_delLabel->show();
-    m_widget->setStyleSheet("QWidget#mWidget{background: rgba(0,0,0,0.1);}");
-    QWidget::enterEvent(event);
-}
-
-/**
- * @brief FolderListItem::leaveEvent 鼠标移出事件
- * @param event
- */
-void FolderListItem::leaveEvent(QEvent *event) {
-    m_delLabel->hide();
-    m_widget->setStyleSheet("QWidget#mWidget{background: transparent;}");
-    QWidget::leaveEvent(event);
-}
-
-
-/**
- * @brief FolderListItem::eventFilter 处理删除按钮点击事件
- * @param watched
- * @param event
- * @return
- */
-bool FolderListItem::eventFilter(QObject *watched, QEvent *event) {
-    if(watched == m_delLabel) {
-        if(event->type() == QEvent::MouseButtonPress) {
-//            qDebug()<<"pressed!";
-            Q_EMIT this->onDelBtnClicked(m_path);
-        }
-    }
-    return QObject::eventFilter(watched, event);
-}
--- a/frontend/control/settings-widget.h
+++ b/frontend/control/settings-widget.h
@ -1,154 +0,0 @@
-/*
- *
- * Copyright (C) 2020, KylinSoft Co., Ltd.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *
- * Authors: zhangjiaping <zhangjiaping@kylinos.cn>
- *
- */
-#ifndef SETTINGSWIDGET_H
-#define SETTINGSWIDGET_H
-
-#include <QWidget>
-#include <QDialog>
-#include <QFrame>
-#include <QHBoxLayout>
-#include <QVBoxLayout>
-#include <QLabel>
-#include <QRadioButton>
-#include <QButtonGroup>
-#include <QPushButton>
-#include <QScrollArea>
-#include <QTimer>
-#include "libsearch.h"
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
-#include "xatom-helper.h"
-#endif
-
-namespace UkuiSearch {
-class FolderListItem : public QWidget {
-    Q_OBJECT
-public:
-    explicit FolderListItem(QWidget *parent = nullptr, const QString &path = 0);
-    ~FolderListItem();
-    QString getPath();
-
-protected:
-    virtual void enterEvent(QEvent *);
-    virtual void leaveEvent(QEvent *);
-    bool eventFilter(QObject *, QEvent *);
-
-private:
-    void initUi();
-
-    QString m_path;
-
-    QVBoxLayout * m_layout = nullptr;
-    QWidget * m_widget = nullptr;
-    QHBoxLayout * m_widgetlayout = nullptr;
-    QLabel * m_iconLabel = nullptr;
-    QLabel * m_pathLabel = nullptr;
-    QLabel * m_delLabel = nullptr;
-Q_SIGNALS:
-    void onDelBtnClicked(const QString&);
-};
-
-class SettingsWidget : public QWidget {
-    Q_OBJECT
-public:
-    explicit SettingsWidget(QWidget *parent = nullptr);
-    ~SettingsWidget();
-
-    void setIndexState(bool);
-    void setIndexNum(int);
-    void showWidget();
-    void resetWebEngine();
-
-private:
-    void initUi();
-    void setupBlackList(const QStringList &);
-    void clearLayout(QLayout *);
-    void refreshIndexState();
-    void paintEvent(QPaintEvent *);
-    void resize();
-    void showWarningDialog(const int&);
-
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
-    MotifWmHints m_hints;
-#endif
-
-    //标题栏
-    QVBoxLayout * m_mainLyt = nullptr;
-    QFrame * m_contentFrame = nullptr;
-    QVBoxLayout * m_contentLyt = nullptr;
-    QFrame * m_titleFrame = nullptr;
-    QHBoxLayout * m_titleLyt = nullptr;
-    QLabel * m_titleIcon = nullptr;
-    QLabel * m_titleLabel = nullptr;
-    QPushButton * m_closeBtn = nullptr;
-
-    //设置
-    QLabel * m_settingLabel = nullptr;
-    //文件索引
-    QLabel * m_indexTitleLabel = nullptr;
-    QLabel * m_indexStateLabel = nullptr;
-    QLabel * m_indexNumLabel = nullptr;
-    //文件索引设置（黑名单）
-    QLabel * m_indexSettingLabel = nullptr;
-    QLabel * m_indexDescLabel = nullptr;
-    QFrame * m_indexBtnFrame = nullptr;
-    QHBoxLayout * m_indexBtnLyt = nullptr;
-    QPushButton * m_addDirBtn = nullptr;
-    QScrollArea * m_dirListArea = nullptr;
-    QWidget * m_dirListWidget = nullptr;
-    QVBoxLayout * m_dirListLyt = nullptr;
-
-    //搜索引擎设置
-    QLabel * m_searchEngineLabel = nullptr;
-    QLabel * m_engineDescLabel = nullptr;
-    QButtonGroup * m_engineBtnGroup = nullptr;
-    QFrame * m_radioBtnFrame = nullptr;
-    QHBoxLayout * m_radioBtnLyt = nullptr;
-    QRadioButton * m_baiduBtn = nullptr;
-    QLabel * m_baiduLabel = nullptr;
-    QRadioButton * m_sougouBtn = nullptr;
-    QLabel * m_sougouLabel = nullptr;
-    QRadioButton * m_360Btn = nullptr;
-    QLabel * m_360Label = nullptr;
-
-    //取消与确认按钮
-    QFrame * m_bottomBtnFrame = nullptr;
-    QHBoxLayout * m_bottomBtnLyt = nullptr;
-    QPushButton * m_cancelBtn = nullptr;
-    QPushButton * m_confirmBtn = nullptr;
-
-    QTimer * m_timer;
-
-    int m_blockdirs = 0; //黑名单文件夹数量
-
-Q_SIGNALS:
-    void settingWidgetClosed();
-    void webEngineChanged(const QString&);
-
-private Q_SLOTS:
-//    void onBtnConfirmClicked();
-//    void onBtnCancelClicked();
-    void onBtnAddClicked();
-    void onBtnDelClicked(const QString&);
-    void setWebEngine(const QString&);
-};
-}
-
-#endif // SETTINGSWIDGET_H
--- a/frontend/mainwindow.cpp
+++ b/frontend/mainwindow.cpp
@ -36,6 +36,7 @@
 #include "windowmanager/windowmanager.h"
 #include "global-settings.h"
 #include "action-transmiter.h"
+#include "icon-loader.h"

 #define MAIN_MARGINS 0, 0, 0, 0
 #define TITLE_MARGINS 0,0,0,0
@ -75,7 +76,7 @@ MainWindow::MainWindow(QWidget *parent) :
    initTimer();

    m_sys_tray_icon = new QSystemTrayIcon(this);
-    m_sys_tray_icon->setIcon(QIcon::fromTheme("system-search-symbolic", QIcon(":/res/icons/edit-find-symbolic.svg")));
+    m_sys_tray_icon->setIcon(IconLoader::loadIconQt("system-search-symbolic", QIcon(":/res/icons/edit-find-symbolic.svg")));
    m_sys_tray_icon->setToolTip(tr("Global Search"));
    m_sys_tray_icon->show();
    installEventFilter(this);
--- a/frontend/ukui-search-gui.cpp
+++ b/frontend/ukui-search-gui.cpp
@ -25,6 +25,7 @@
 #include <QCommandLineParser>
 #include "plugin-manager.h"
 #include "search-plugin-manager.h"
+#include "icon-loader.h"

 using namespace UkuiSearch;
 UkuiSearchGui::UkuiSearchGui(int &argc, char *argv[], const QString &applicationName): QtSingleApplication (applicationName, argc, argv)
@ -73,7 +74,7 @@ UkuiSearchGui::UkuiSearchGui(int &argc, char *argv[], const QString &application

        m_mainWindow = new UkuiSearch::MainWindow();
        m_dbusService = new UkuiSearch::UkuiSearchDbusServices(m_mainWindow);
-        qApp->setWindowIcon(QIcon::fromTheme("kylin-search"));
+        qApp->setWindowIcon(IconLoader::loadIconQt("kylin-search"));
        this->setActivationWindow(m_mainWindow);
    }

--- a/libsearch/CMakeLists.txt
+++ b/libsearch/CMakeLists.txt
@ -99,6 +99,7 @@ set(LIBUKUI_SEARCH_SRC
        searchinterface/ukui-search-task.cpp searchinterface/ukui-search-task.h
        settingsearch/settings-search-plugin.cpp settingsearch/settings-search-plugin.h
        websearch/web-search-plugin.cpp websearch/web-search-plugin.h
+        icon-loader.cpp icon-loader.h
        )
 set(QRC_FILES resource1.qrc)
 file(GLOB TS_FILES ${CMAKE_CURRENT_SOURCE_DIR}/../translations/libukui-search/*.ts)
--- a/libsearch/appsearch/app-search-plugin.cpp
+++ b/libsearch/appsearch/app-search-plugin.cpp
@ -21,7 +21,6 @@
 #include <gio/gdesktopappinfo.h>
 #include <QWidget>
 #include <QLabel>
-#include <qt5xdg/XdgIcon>
 #include <QDeadlineTimer>
 #include "file-utils.h"
 using namespace UkuiSearch;
@ -191,7 +190,7 @@ void AppSearchPlugin::run()
            SearchPluginIface::ResultInfo ri;

            ri.name = data.value(SearchProperty::SearchResultProperty::ApplicationLocalName).toString();
-            ri.icon = XdgIcon::fromTheme(data.value(SearchProperty::SearchResultProperty::ApplicationIconName).toString(), QIcon(":/res/icons/unknown.svg"));
+            ri.icon = IconLoader::loadIconQt(data.value(SearchProperty::SearchResultProperty::ApplicationIconName).toString(), QIcon(":/res/icons/unknown.svg"));
            SearchPluginIface::DescriptionInfo description;
            description.key = QString(tr("Application Description:"));
            description.value = data.value(SearchProperty::SearchResultProperty::ApplicationDescription).toString();
--- a/libsearch/appsearch/app-search-plugin.h
+++ b/libsearch/appsearch/app-search-plugin.h
@ -35,6 +35,8 @@
 #include "separation-line.h"
 #include "libsearch_global.h"
 #include "ukui-search-task.h"
+#include "icon-loader.h"
+
 namespace UkuiSearch {
 class LIBSEARCH_EXPORT AppSearchPlugin : public QThread, public SearchPluginIface
 {
@ -46,7 +48,7 @@ public:
    PluginType pluginType() {return PluginType::SearchPlugin;}
    const QString name();
    const QString description();
-    const QIcon icon() {return QIcon::fromTheme("appsearch");}
+    const QIcon icon() {return IconLoader::loadIconQt("appsearch");}
    void setEnable(bool enable) {m_enable = enable;}
    bool isEnable() {return m_enable;}
    QString getPluginName();
--- a/libsearch/file-utils.cpp
+++ b/libsearch/file-utils.cpp
@ -55,11 +55,11 @@
 #include "gobject-template.h"
 #include "hanzi-to-pinyin.h"
 #include "common.h"
+#include "icon-loader.h"

 using namespace UkuiSearch;

 #define MAX_CONTENT_LENGTH 20480000
-static QMutex iconMutex;
 /**
 * @brief 查找elem的子节点
 * @param elem 起始节点
@ -219,7 +219,6 @@ std::string FileUtils::makeDocUterm(QString path) {
 */
 QIcon FileUtils::getFileIcon(const QString &uri, bool checkValid) {
    Q_UNUSED(checkValid)
-    QMutexLocker locker(&iconMutex);
    auto file = wrapGFile(g_file_new_for_uri(uri.toUtf8().constData()));
    auto info = wrapGFileInfo(g_file_query_info(file.get()->get(),
                              G_FILE_ATTRIBUTE_STANDARD_ICON,
@ -227,7 +226,8 @@ QIcon FileUtils::getFileIcon(const QString &uri, bool checkValid) {
                              nullptr,
                              nullptr));
    if(!G_IS_FILE_INFO(info.get()->get()))
-        return QIcon::fromTheme("unknown",QIcon(":/res/icons/unknown.svg"));
+        return IconLoader::loadIconQt("unknown",QIcon(":/res/icons/unknown.svg"));
+
    GIcon *g_icon = g_file_info_get_icon(info.get()->get());

    //do not unref the GIcon from info.
@ -236,7 +236,7 @@ QIcon FileUtils::getFileIcon(const QString &uri, bool checkValid) {
        if(icon_names) {
            auto p = icon_names;
            while(*p) {
-                QIcon icon = QIcon::fromTheme(*p);
+                QIcon icon = IconLoader::loadIconQt(*p);
                if(!icon.isNull()) {
                    return icon;
                } else {
@ -245,63 +245,12 @@ QIcon FileUtils::getFileIcon(const QString &uri, bool checkValid) {
            }
        }
    }
-    return QIcon::fromTheme("unknown",QIcon(":/res/icons/unknown.svg"));
-}
-
-/**
- * @brief FileUtils::getAppIcon 获取应用图标
- * @param path .desktop文件的完整路径
- * @return
- */
-QIcon FileUtils::getAppIcon(const QString &path) {
-    QByteArray ba;
-    ba = path.toUtf8();
-    GKeyFile * keyfile;
-    keyfile = g_key_file_new();
-    if(!g_key_file_load_from_file(keyfile, ba.data(), G_KEY_FILE_NONE, NULL)) {
-        g_key_file_free(keyfile);
-        return QIcon::fromTheme("unknown",QIcon(":/res/icons/unknown.svg"));
-    }
-    QString icon = QString(g_key_file_get_locale_string(keyfile, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_ICON, NULL, NULL));
-    g_key_file_free(keyfile);
-    if(QIcon::fromTheme(icon).isNull()) {
-        return QIcon(":/res/icons/desktop.png");
-    }
-    return QIcon::fromTheme(icon);
-}
-
-/**
- * @brief FileUtils::getSettingIcon 获取设置图标
- * @param setting 设置项传入参数，格式为 About/About->Properties
- * @param is_white 选择是否返回白色图标
- * @return
- */
-QIcon FileUtils::getSettingIcon(const QString &setting, const bool is_white) {
-    QString name = setting.left(setting.indexOf("/"));
-    if(! name.isEmpty()) {
-        name.replace(QString(name.at(0)), QString(name.at(0).toUpper()));
-    }
-    QString path;
-    if(is_white) {
-        path = QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1White.svg").arg(name);
-    } else {
-        path = QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1.svg").arg(name);
-    }
-    QFile file(path);
-    if(file.exists()) {
-        return QIcon(path);
-    } else {
-        return QIcon::fromTheme("ukui-control-center", QIcon(":/res/icons/ukui-control-center.svg")); //无插件图标时，返回控制面板应用图标
-//        if (is_white) {
-//            return QIcon(QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1White.svg").arg("About"));
-//        } else {
-//            return QIcon(QString("/usr/share/ukui-control-center/shell/res/secondaryleftmenu/%1.svg").arg("About"));
-//        }
-    }
+    return IconLoader::loadIconQt("unknown", QIcon(":/res/icons/unknown.svg"));
 }

 QIcon FileUtils::getSettingIcon() {
-    return QIcon::fromTheme("ukui-control-center", QIcon(":/res/icons/ukui-control-center.svg")); //返回控制面板应用图标
+    return IconLoader::loadIconQt("ukui-control-center", QIcon(":/res/icons/ukui-control-center.svg")); //返回控制面板应用图标
+// 返回控制面板应用图标
 }

 /**
@ -971,12 +920,6 @@ QString FileUtils::getSnippet(const std::string &myStr, uint start, const QStrin
    return snippet;
 }

-QIcon FileUtils::iconFromTheme(const QString &name, const QIcon &iconDefault)
-{
-    QMutexLocker locker(&iconMutex);
-    return QIcon::fromTheme(name, iconDefault);
-}
-
 bool FileUtils::isOpenXMLFileEncrypted(const QString &path)
 {
    QFile file(path);
--- a/libsearch/file-utils.h
+++ b/libsearch/file-utils.h
@ -37,8 +37,6 @@ public:
    static qreal horizontalAdvanceContainsKeyword(const QString &content, const QString &keyword);
    static std::string makeDocUterm(QString path);
    static QIcon getFileIcon(const QString &uri, bool checkValid = true);
-    static QIcon getAppIcon(const QString &path);
-    static QIcon getSettingIcon(const QString &setting, const bool is_white);
    static QIcon getSettingIcon();

    static QString getFileName(const QString &uri);
@ -64,7 +62,6 @@ public:
    static bool copyPath(QString &path);
    static QString escapeHtml(const QString &str);
    static QString getSnippet(const std::string &myStr, uint start, const QString &keyword);
-    static QIcon iconFromTheme(const QString &name, const QIcon &iconDefault);
    static bool isOpenXMLFileEncrypted(const QString &path);
    /**
     * @brief isEncrypedOrUnsupport
--- a/libsearch/icon-loader.cpp
+++ b/libsearch/icon-loader.cpp
@ -0,0 +1,23 @@
+//
+// Created by zpf on 2023/9/1.
+//
+
+#include "icon-loader.h"
+#include <QMutex>
+#include <QMutexLocker>
+#include <XdgIcon>
+namespace UkuiSearch {
+static QMutex qtIconMutex;
+static QMutex xdgIconMutex;
+QIcon IconLoader::loadIconQt(const QString &name, const QIcon &fallback)
+{
+    QMutexLocker locker(&qtIconMutex);
+    return QIcon::fromTheme(name,fallback);
+}
+
+QIcon IconLoader::loadIconXdg(const QString &name, const QIcon &fallback)
+{
+    QMutexLocker locker(&xdgIconMutex);
+    return XdgIcon::fromTheme("name",fallback);
+}
+} // UkuiSearch
--- a/libsearch/icon-loader.h
+++ b/libsearch/icon-loader.h
@ -0,0 +1,19 @@
+//
+// Created by zpf on 2023/9/1.
+//
+
+#ifndef UKUI_SEARCH_ICON_LOADER_H
+#define UKUI_SEARCH_ICON_LOADER_H
+#include <QIcon>
+namespace UkuiSearch {
+
+class IconLoader
+{
+public:
+    static QIcon loadIconQt(const QString &name, const QIcon &fallback = {});
+    static QIcon loadIconXdg(const QString &name, const QIcon &fallback = {});
+};
+
+} // UkuiSearch
+
+#endif //UKUI_SEARCH_ICON_LOADER_H
--- a/libsearch/index/file-search-plugin.h
+++ b/libsearch/index/file-search-plugin.h
@ -34,6 +34,7 @@
 #include "action-label.h"
 #include "separation-line.h"
 #include "global-settings.h"
+#include "icon-loader.h"

 namespace UkuiSearch {
 //internal plugin
@ -45,7 +46,7 @@ public:
    PluginType pluginType() {return PluginType::SearchPlugin;}
    const QString name();
    const QString description();
-    const QIcon icon() {return QIcon::fromTheme("folder");}
+    const QIcon icon() {return IconLoader::loadIconQt("folder");}
    void setEnable(bool enable) {m_enable = enable;}
    bool isEnable() {return m_enable;}
    QString getPluginName();
@ -100,7 +101,7 @@ public:
    PluginType pluginType() {return PluginType::SearchPlugin;}
    const QString name();
    const QString description();
-    const QIcon icon() {return QIcon::fromTheme("folder");}
+    const QIcon icon() {return IconLoader::loadIconQt("folder");}
    void setEnable(bool enable) {m_enable = enable;}
    bool isEnable() {return m_enable;}
    QString getPluginName();
@ -155,7 +156,7 @@ public:
    PluginType pluginType() {return PluginType::SearchPlugin;}
    const QString name();
    const QString description();
-    const QIcon icon() {return QIcon::fromTheme("folder");}
+    const QIcon icon() {return IconLoader::loadIconQt("folder");}
    void setEnable(bool enable) {m_enable = enable;}
    bool isEnable() {return m_enable;}
    QString getPluginName();
--- a/libsearch/notesearch/note-search-plugin.cpp
+++ b/libsearch/notesearch/note-search-plugin.cpp
@ -20,7 +20,6 @@
 #include "note-search-plugin.h"
 #include <QWidget>
 #include <QLabel>
-#include <qt5xdg/xdgicon.h>
 #include <QDebug>
 #include "file-utils.h"
 #include "chinese-segmentation.h"
@ -233,7 +232,7 @@ void NoteSearch::run() {
                dbusArgs.endArray();
                qDebug() << str;
                SearchPluginIface::ResultInfo ri(
-                    XdgIcon::fromTheme("kylin-notebook", QIcon(":/res/icons/desktop.png")),
+                        IconLoader::loadIconQt("kylin-notebook", QIcon(":/res/icons/desktop.png")),
                        str.at(1),
                        QVector<SearchPluginIface::DescriptionInfo>() << SearchPluginIface::DescriptionInfo {
                                key : QString(tr("Note Description:")),
--- a/libsearch/notesearch/note-search-plugin.h
+++ b/libsearch/notesearch/note-search-plugin.h
@ -36,6 +36,8 @@
 #include "action-label.h"
 #include "separation-line.h"
 #include "libsearch_global.h"
+#include "icon-loader.h"
+
 namespace UkuiSearch {

 static size_t g_uniqueSymbol;
@ -52,7 +54,7 @@ public:
    PluginType pluginType() {return PluginType::SearchPlugin;}
    const QString name();
    const QString description();
-    const QIcon icon() {return QIcon::fromTheme("folder");}
+    const QIcon icon() {return IconLoader::loadIconQt("folder");}
    void setEnable(bool enable) {m_enable = enable;}
    bool isEnable() {return m_enable;}
    QString getPluginName();
--- a/libsearch/settingsearch/settings-search-plugin.h
+++ b/libsearch/settingsearch/settings-search-plugin.h
@ -15,6 +15,7 @@
 #include "action-label.h"
 #include "separation-line.h"
 #include "search-plugin-iface.h"
+#include "icon-loader.h"

 namespace UkuiSearch {
 class LIBSEARCH_EXPORT SettingsSearchPlugin : public QObject, public SearchPluginIface
@ -27,7 +28,7 @@ public:
    PluginType pluginType() {return PluginType::SearchPlugin;}
    const QString name();
    const QString description();
-    const QIcon icon() {return QIcon::fromTheme("folder");}
+    const QIcon icon() {return IconLoader::loadIconQt("folder");}
    void setEnable(bool enable) {m_enable = enable;}
    bool isEnable() {return m_enable;}
    QString getPluginName();
--- a/libsearch/websearch/web-search-plugin.cpp
+++ b/libsearch/websearch/web-search-plugin.cpp
@ -56,7 +56,7 @@ void UkuiSearch::WebSearchPlugin::KeywordSearch(QString keyword, DataQueue<UkuiS
    GDesktopAppInfo * textinfo = g_desktop_app_info_new_from_filename(ba.constData());
    char *iconname = g_icon_to_string(g_app_info_get_icon(G_APP_INFO(textinfo)));
    QIcon appicon;
-    appicon = QIcon::fromTheme(QString(QLatin1String(iconname)),
+    appicon = IconLoader::loadIconQt(QString(QLatin1String(iconname)),
                               QIcon(QString("/usr/share/pixmaps/"+QString(QLatin1String(iconname))
                                             +".png")));
    g_free(iconname);
--- a/libsearch/websearch/web-search-plugin.h
+++ b/libsearch/websearch/web-search-plugin.h
@ -14,6 +14,7 @@
 #include "search-plugin-iface.h"
 #include <gio/gdesktopappinfo.h>
 #include <QGSettings>
+#include "icon-loader.h"

 namespace UkuiSearch {

@ -26,7 +27,7 @@ public:
    PluginType pluginType() {return PluginType::SearchPlugin;}
    const QString name();
    const QString description();
-    const QIcon icon() {return QIcon::fromTheme("folder");}
+    const QIcon icon() {return IconLoader::loadIconQt("folder");}
    void setEnable(bool enable) {m_enable = enable;}
    bool isEnable() {return m_enable;}
    QString getPluginName();
--- a/translations/libukui-search/libukui-search_bo_CN.ts
+++ b/translations/libukui-search/libukui-search_bo_CN.ts
@ -24,42 +24,42 @@
 <context>
    <name>UkuiSearch::AppSearchPlugin</name>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="31"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="248"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="30"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="247"/>
        <source>Open</source>
        <translation>སྒོ་ཕྱེ་བ།</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="32"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="249"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="31"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="248"/>
        <source>Add Shortcut to Desktop</source>
        <translation>ཅོག་ངོས་སུ་མྱུར་འཐེབ་སྣོན་པ།</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="33"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="250"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="32"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="249"/>
        <source>Add Shortcut to Panel</source>
        <translation>ལས་འགན་གྱི་སྒྲོམ་ཐོག་མགྱོགས་མྱུར་གྱི་བྱེད་ཐབས་གསར་སྣོན་བྱ་དགོས</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="34"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="251"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="33"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="250"/>
        <source>Install</source>
        <translation>སྒྲིག་སྦྱོར་བྱེད་པ</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="196"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="195"/>
        <source>Application Description:</source>
        <translation>ཉེར་སྤྱོད་གོ་རིམ་གྱི་གསལ་བཤད།</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="64"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="69"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="63"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="68"/>
        <source>Applications Search</source>
        <translation>ཉེར་སྤྱོད་གོ་རིམ་འཚོལ་བཤེར།</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="154"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="153"/>
        <source>Application</source>
        <translation>ཉེར་སྤྱོད་བྱ་རིམ།</translation>
    </message>
@ -313,7 +313,7 @@
 <context>
    <name>UkuiSearch::NoteSearch</name>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="239"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="238"/>
        <source>Note Description:</source>
        <translation>སྟབས་བདེ་བྱང་བུ།ནང་དོན།</translation>
    </message>
@ -321,24 +321,24 @@
 <context>
    <name>UkuiSearch::NoteSearchPlugin</name>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="33"/>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="177"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="32"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="176"/>
        <source>Open</source>
        <translation>སྒོ་ཕྱེ་བ།</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="47"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="46"/>
        <source>Note Search.</source>
        <translation>སྟབས་བདེ་བྱང་བུ།འཚོལ་ཞིབ་བྱེད་པ།</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="52"/>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="155"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="51"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="154"/>
        <source>Note Search</source>
        <translation>སྟབས་བདེ་བྱང་བུ།འཚོལ་ཞིབ་བྱེད་པ།</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="129"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="128"/>
        <source>Application</source>
        <translation>ཉེར་སྤྱོད་བྱ་རིམ།</translation>
    </message>
--- a/translations/libukui-search/libukui-search_mn.ts
+++ b/translations/libukui-search/libukui-search_mn.ts
@ -31,42 +31,42 @@
 <context>
    <name>UkuiSearch::AppSearchPlugin</name>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="31"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="248"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="30"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="247"/>
        <source>Open</source>
        <translation>ᠨᠡᠬᠡᠬᠡᠬᠦ᠌</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="32"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="249"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="31"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="248"/>
        <source>Add Shortcut to Desktop</source>
        <translation>ᠱᠢᠷᠡᠭᠡᠨ ᠨᠢᠭᠤᠷ᠎ᠤᠨ ᠲᠦᠳᠡ ᠴᠦᠷᠬᠡ᠎ᠶᠢᠨ ᠠᠷᠭ᠎ᠠ᠎ᠳᠤ ᠨᠡᠮᠡᠬᠦ᠌</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="33"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="250"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="32"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="249"/>
        <source>Add Shortcut to Panel</source>
        <translation>ᠡᠬᠦᠷᠭᠡ᠎ᠶᠢᠨ ᠬᠡᠷᠡᠭᠰᠡᠬᠡ᠎ᠶᠢᠨ ᠲᠦᠲᠡ ᠴᠦᠷᠬᠡ᠎ᠳᠦ ᠨᠡᠮᠡᠬᠦ᠌</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="34"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="251"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="33"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="250"/>
        <source>Install</source>
        <translation>ᠤᠭᠰᠠᠷᠠᠬᠤ</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="64"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="69"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="63"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="68"/>
        <source>Applications Search</source>
        <translation>ᠬᠡᠷᠡᠭᠯᠡᠯᠳᠡ</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="154"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="153"/>
        <source>Application</source>
        <translation>ᠬᠡᠷᠡᠭᠯᠡᠯᠳᠡ</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="196"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="195"/>
        <source>Application Description:</source>
        <translation>应用描述：</translation>
    </message>
@ -328,7 +328,7 @@
 <context>
    <name>UkuiSearch::NoteSearch</name>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="239"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="238"/>
        <source>Note Description:</source>
        <translatorcomment>便签内容：</translatorcomment>
        <translation>ᠳᠦᠬᠦᠮ ᠱᠤᠱᠢᠭ᠎ᠠ᠎ᠶᠢᠨ ᠠᠭᠤᠯᠭ᠎ᠠ ᠄</translation>
@ -337,27 +337,27 @@
 <context>
    <name>UkuiSearch::NoteSearchPlugin</name>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="33"/>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="177"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="32"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="176"/>
        <source>Open</source>
        <translatorcomment>打开</translatorcomment>
        <translation>ᠨᠡᠬᠡᠬᠡᠬᠦ᠌</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="52"/>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="155"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="51"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="154"/>
        <source>Note Search</source>
        <translatorcomment>便签</translatorcomment>
        <translation>ᠳᠦᠬᠦᠮ ᠱᠤᠱᠢᠭ᠎ᠠ</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="47"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="46"/>
        <source>Note Search.</source>
        <translatorcomment>便签.</translatorcomment>
        <translation>ᠳᠦᠬᠦᠮ ᠱᠤᠱᠢᠭ᠎ᠠ ᠄</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="129"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="128"/>
        <source>Application</source>
        <translatorcomment>应用</translatorcomment>
        <translation>ᠬᠡᠷᠡᠭᠯᠡᠯᠳᠡ</translation>
--- a/translations/libukui-search/libukui-search_zh_CN.ts
+++ b/translations/libukui-search/libukui-search_zh_CN.ts
@ -31,42 +31,42 @@
 <context>
    <name>UkuiSearch::AppSearchPlugin</name>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="31"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="248"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="30"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="247"/>
        <source>Open</source>
        <translation>打开</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="32"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="249"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="31"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="248"/>
        <source>Add Shortcut to Desktop</source>
        <translation>添加到桌面快捷方式</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="33"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="250"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="32"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="249"/>
        <source>Add Shortcut to Panel</source>
        <translation>添加到任务栏快捷方式</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="34"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="251"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="33"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="250"/>
        <source>Install</source>
        <translation>安装</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="64"/>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="69"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="63"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="68"/>
        <source>Applications Search</source>
        <translation>应用</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="154"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="153"/>
        <source>Application</source>
        <translation>应用</translation>
    </message>
    <message>
-        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="196"/>
+        <location filename="../../libsearch/appsearch/app-search-plugin.cpp" line="195"/>
        <source>Application Description:</source>
        <translation>应用描述：</translation>
    </message>
@ -328,7 +328,7 @@
 <context>
    <name>UkuiSearch::NoteSearch</name>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="239"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="238"/>
        <source>Note Description:</source>
        <translatorcomment>便签内容：</translatorcomment>
        <translation>便签内容：</translation>
@ -337,27 +337,27 @@
 <context>
    <name>UkuiSearch::NoteSearchPlugin</name>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="33"/>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="177"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="32"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="176"/>
        <source>Open</source>
        <translatorcomment>打开</translatorcomment>
        <translation>打开</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="52"/>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="155"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="51"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="154"/>
        <source>Note Search</source>
        <translatorcomment>便签</translatorcomment>
        <translation>便签</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="47"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="46"/>
        <source>Note Search.</source>
        <translatorcomment>便签.</translatorcomment>
        <translation>便签.</translation>
    </message>
    <message>
-        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="129"/>
+        <location filename="../../libsearch/notesearch/note-search-plugin.cpp" line="128"/>
        <source>Application</source>
        <translatorcomment>应用</translatorcomment>
        <translation>应用</translation>
--- a/translations/ukui-search/appwidget/search_bo_CN.ts
+++ b/translations/ukui-search/appwidget/search_bo_CN.ts
@ -12,53 +12,45 @@
 <context>
    <name>UkuiSearch::CreateIndexAskDialog</name>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="41"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="42"/>
        <source>ukui-search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="70"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="71"/>
        <source>Search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="94"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="95"/>
        <source>Creating index can help you getting results quickly, whether to create or not?</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="105"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="106"/>
        <source>Don&apos;t remind</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="116"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="117"/>
        <source>No</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="118"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="119"/>
        <source>Yes</source>
        <translation type="unfinished"></translation>
    </message>
 </context>
-<context>
-    <name>UkuiSearch::FolderListItem</name>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="538"/>
-        <source>Delete the folder out of blacklist</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
    <name>UkuiSearch::MainWindow</name>
    <message>
-        <location filename="../../../frontend/mainwindow.cpp" line="71"/>
+        <location filename="../../../frontend/mainwindow.cpp" line="72"/>
        <source>ukui-search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/mainwindow.cpp" line="79"/>
+        <location filename="../../../frontend/mainwindow.cpp" line="80"/>
        <source>Global Search</source>
        <translation type="unfinished"></translation>
    </message>
@ -66,201 +58,40 @@
 <context>
    <name>UkuiSearch::SearchLineEdit</name>
    <message>
-        <location filename="../../../frontend/control/search-line-edit.cpp" line="57"/>
+        <location filename="../../../frontend/control/search-line-edit.cpp" line="53"/>
        <source>Search</source>
        <translation type="unfinished"></translation>
    </message>
 </context>
-<context>
-    <name>UkuiSearch::SettingsWidget</name>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="35"/>
-        <source>ukui-search-settings</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="81"/>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="299"/>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="503"/>
-        <source>Search</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="108"/>
-        <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="113"/>
-        <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="115"/>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="117"/>
-        <source>...</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="125"/>
-        <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="127"/>
-        <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="136"/>
-        <source>Add ignored folders</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="157"/>
-        <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="159"/>
-        <source>Please select search engine you preferred.</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="172"/>
-        <source>baidu</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="174"/>
-        <source>sougou</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="176"/>
-        <source>360</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="299"/>
-        <source>Whether to delete this directory?</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="300"/>
-        <source>Yes</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="301"/>
-        <source>No</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="359"/>
-        <source>Creating ...</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="362"/>
-        <source>Done</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="370"/>
-        <source>Index Entry: %1</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="416"/>
-        <source>Directories</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="417"/>
-        <source>select blocked folder</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="418"/>
-        <source>Select</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="419"/>
-        <source>Position: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="420"/>
-        <source>FileName: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="421"/>
-        <source>FileType: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="422"/>
-        <source>Cancel</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="487"/>
-        <source>Choosen path is Empty!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="491"/>
-        <source>Choosen path is not in &quot;home&quot;!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="495"/>
-        <source>Its&apos; parent folder has been blocked!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="499"/>
-        <source>Set blocked folder failed!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="504"/>
-        <source>OK</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
    <name>UkuiSearch::UkuiSearchGui</name>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="106"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="107"/>
        <source>Quit ukui-search application</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="109"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="110"/>
        <source>Show main window</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="112"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="113"/>
        <source>unregister a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="115"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="116"/>
        <source>register a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="118"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="119"/>
        <source>move &lt;pluginName&gt; to the target pos</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="121"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="122"/>
        <source>move plugin to &lt;index&gt;</source>
        <translation type="unfinished"></translation>
    </message>
--- a/translations/ukui-search/appwidget/search_mn.ts
+++ b/translations/ukui-search/appwidget/search_mn.ts
@ -12,53 +12,45 @@
 <context>
    <name>UkuiSearch::CreateIndexAskDialog</name>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="41"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="42"/>
        <source>ukui-search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="70"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="71"/>
        <source>Search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="94"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="95"/>
        <source>Creating index can help you getting results quickly, whether to create or not?</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="105"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="106"/>
        <source>Don&apos;t remind</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="116"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="117"/>
        <source>No</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="118"/>
+        <location filename="../../../frontend/control/create-index-ask-dialog.cpp" line="119"/>
        <source>Yes</source>
        <translation type="unfinished"></translation>
    </message>
 </context>
-<context>
-    <name>UkuiSearch::FolderListItem</name>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="538"/>
-        <source>Delete the folder out of blacklist</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
    <name>UkuiSearch::MainWindow</name>
    <message>
-        <location filename="../../../frontend/mainwindow.cpp" line="71"/>
+        <location filename="../../../frontend/mainwindow.cpp" line="72"/>
        <source>ukui-search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/mainwindow.cpp" line="79"/>
+        <location filename="../../../frontend/mainwindow.cpp" line="80"/>
        <source>Global Search</source>
        <translation type="unfinished"></translation>
    </message>
@ -66,201 +58,40 @@
 <context>
    <name>UkuiSearch::SearchLineEdit</name>
    <message>
-        <location filename="../../../frontend/control/search-line-edit.cpp" line="57"/>
+        <location filename="../../../frontend/control/search-line-edit.cpp" line="53"/>
        <source>Search</source>
        <translation type="unfinished"></translation>
    </message>
 </context>
-<context>
-    <name>UkuiSearch::SettingsWidget</name>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="35"/>
-        <source>ukui-search-settings</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="81"/>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="299"/>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="503"/>
-        <source>Search</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="108"/>
-        <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="113"/>
-        <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="115"/>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="117"/>
-        <source>...</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="125"/>
-        <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="127"/>
-        <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="136"/>
-        <source>Add ignored folders</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="157"/>
-        <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="159"/>
-        <source>Please select search engine you preferred.</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="172"/>
-        <source>baidu</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="174"/>
-        <source>sougou</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="176"/>
-        <source>360</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="299"/>
-        <source>Whether to delete this directory?</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="300"/>
-        <source>Yes</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="301"/>
-        <source>No</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="359"/>
-        <source>Creating ...</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="362"/>
-        <source>Done</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="370"/>
-        <source>Index Entry: %1</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="416"/>
-        <source>Directories</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="417"/>
-        <source>select blocked folder</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="418"/>
-        <source>Select</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="419"/>
-        <source>Position: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="420"/>
-        <source>FileName: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="421"/>
-        <source>FileType: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="422"/>
-        <source>Cancel</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="487"/>
-        <source>Choosen path is Empty!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="491"/>
-        <source>Choosen path is not in &quot;home&quot;!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="495"/>
-        <source>Its&apos; parent folder has been blocked!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="499"/>
-        <source>Set blocked folder failed!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../../frontend/control/settings-widget.cpp" line="504"/>
-        <source>OK</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
    <name>UkuiSearch::UkuiSearchGui</name>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="106"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="107"/>
        <source>Quit ukui-search application</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="109"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="110"/>
        <source>Show main window</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="112"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="113"/>
        <source>unregister a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="115"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="116"/>
        <source>register a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="118"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="119"/>
        <source>move &lt;pluginName&gt; to the target pos</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../../frontend/ukui-search-gui.cpp" line="121"/>
+        <location filename="../../../frontend/ukui-search-gui.cpp" line="122"/>
        <source>move plugin to &lt;index&gt;</source>
        <translation type="unfinished"></translation>
    </message>
--- a/translations/ukui-search/appwidget/search_zh_CN.ts
+++ b/translations/ukui-search/appwidget/search_zh_CN.ts
@ -35,13 +35,6 @@
        <translation type="unfinished"></translation>
    </message>
 </context>
-<context>
-    <name>UkuiSearch::FolderListItem</name>
-    <message>
-        <source>Delete the folder out of blacklist</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
    <name>UkuiSearch::MainWindow</name>
    <message>
@ -60,133 +53,6 @@
        <translation type="unfinished"></translation>
    </message>
 </context>
-<context>
-    <name>UkuiSearch::SettingsWidget</name>
-    <message>
-        <source>ukui-search-settings</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Search</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>...</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Add ignored folders</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Please select search engine you preferred.</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>baidu</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>sougou</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>360</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Whether to delete this directory?</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Yes</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>No</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Creating ...</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Done</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Index Entry: %1</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Directories</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>select blocked folder</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Select</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Position: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>FileName: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>FileType: </source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Cancel</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Choosen path is Empty!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Choosen path is not in &quot;home&quot;!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Its&apos; parent folder has been blocked!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>Set blocked folder failed!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <source>OK</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
    <name>UkuiSearch::UkuiSearchGui</name>
    <message>
--- a/translations/ukui-search/bo_CN.ts
+++ b/translations/ukui-search/bo_CN.ts
@ -12,32 +12,32 @@
 <context>
    <name>UkuiSearch::CreateIndexAskDialog</name>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="41"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="42"/>
        <source>ukui-search</source>
        <translation>འཚོལ་བཤེར།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="70"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="71"/>
        <source>Search</source>
        <translation>འཚོལ་ཞིབ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="94"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="95"/>
        <source>Creating index can help you getting results quickly, whether to create or not?</source>
        <translation>དཀར་ཆག་གསར་བཟོ་བྱས་ཚེ་འཚོལ་བྱ་མྱུར་དུ་རྙེད་ཐུབ། གསར་བཟོ་བྱའམ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="105"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="106"/>
        <source>Don&apos;t remind</source>
        <translation>ད་ནས་གསལ་བརྡ་མི་གཏོང་བ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="116"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="117"/>
        <source>No</source>
        <translation>མིན།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="118"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="119"/>
        <source>Yes</source>
        <translation>རེད།</translation>
    </message>
@ -45,20 +45,19 @@
 <context>
    <name>UkuiSearch::FolderListItem</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="538"/>
        <source>Delete the folder out of blacklist</source>
-        <translation>མིང་ཐོ་ནག་པོའི་ནང་ནས་ཡིག་སྣོད་བསུབ་པ།</translation>
+        <translation type="vanished">མིང་ཐོ་ནག་པོའི་ནང་ནས་ཡིག་སྣོད་བསུབ་པ།</translation>
    </message>
 </context>
 <context>
    <name>UkuiSearch::MainWindow</name>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="71"/>
+        <location filename="../../frontend/mainwindow.cpp" line="72"/>
        <source>ukui-search</source>
        <translation>འཚོལ་བཤེར།</translation>
    </message>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="79"/>
+        <location filename="../../frontend/mainwindow.cpp" line="80"/>
        <source>Global Search</source>
        <translation>འཚོལ་བཤེར།</translation>
    </message>
@ -66,7 +65,7 @@
 <context>
    <name>UkuiSearch::SearchLineEdit</name>
    <message>
-        <location filename="../../frontend/control/search-line-edit.cpp" line="57"/>
+        <location filename="../../frontend/control/search-line-edit.cpp" line="53"/>
        <source>Search</source>
        <translation>འཚོལ་ཞིབ།</translation>
    </message>
@ -74,193 +73,159 @@
 <context>
    <name>UkuiSearch::SettingsWidget</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="35"/>
        <source>ukui-search-settings</source>
-        <translation>འཚོལ་བཤེར།</translation>
+        <translation type="vanished">འཚོལ་བཤེར།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="81"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="503"/>
        <source>Search</source>
-        <translation>འཚོལ་ཞིབ།</translation>
+        <translation type="vanished">འཚོལ་ཞིབ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="108"/>
        <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
-        <translation>&lt;h2&gt; སྒྲིག་འགོད། &lt;/h2&gt;</translation>
+        <translation type="vanished">&lt;h2&gt; སྒྲིག་འགོད། &lt;/h2&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="113"/>
        <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt;དཀར་ཆག་གི་རྣམ་པ།&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt;དཀར་ཆག་གི་རྣམ་པ།&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="115"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="117"/>
        <source>...</source>
-        <translation>...</translation>
+        <translation type="vanished">...</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="125"/>
        <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt;ཡིག་ཆའི་དཀར་ཆག་སྒྲིག་འགོད། &lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt;ཡིག་ཆའི་དཀར་ཆག་སྒྲིག་འགོད། &lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="127"/>
        <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
-        <translation>གཤམ་གྱི་ཡིག་སྣོད་འཚོལ་བཤེར་མི་བྱེད། ཡིག་སྣོད་གསར་སྣོན་དང་གསུབ་འཕྲི་བྱས་ཚེ་ཡིག་ཆའི་དཀར་ཆག་སྒྲིག་འགོད་བྱ་ཐུབ།</translation>
+        <translation type="vanished">གཤམ་གྱི་ཡིག་སྣོད་འཚོལ་བཤེར་མི་བྱེད། ཡིག་སྣོད་གསར་སྣོན་དང་གསུབ་འཕྲི་བྱས་ཚེ་ཡིག་ཆའི་དཀར་ཆག་སྒྲིག་འགོད་བྱ་ཐུབ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="136"/>
        <source>Add ignored folders</source>
-        <translation>སྣང་མེད་དུ་བཞག་པའི་ཡིག་སྣོད་ཁ་སྣོན་</translation>
+        <translation type="vanished">སྣང་མེད་དུ་བཞག་པའི་ཡིག་སྣོད་ཁ་སྣོན་</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="157"/>
        <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt;འཚོལ་བཤེར་ཆས་སྒྲིག་འགོད།&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt;འཚོལ་བཤེར་ཆས་སྒྲིག་འགོད།&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="159"/>
        <source>Please select search engine you preferred.</source>
-        <translation>ཁྱེད་རང་གིས་དགའ་པོ་བྱེད་པའི་འཚོལ་བཤེར་མ་ལག་འདེམས་</translation>
+        <translation type="vanished">ཁྱེད་རང་གིས་དགའ་པོ་བྱེད་པའི་འཚོལ་བཤེར་མ་ལག་འདེམས་</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="172"/>
        <source>baidu</source>
-        <translation>པའེ་ཏུའུ།</translation>
+        <translation type="vanished">པའེ་ཏུའུ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="174"/>
        <source>sougou</source>
-        <translation>སོའོ་གོའུ།</translation>
+        <translation type="vanished">སོའོ་གོའུ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="176"/>
        <source>360</source>
-        <translation>360</translation>
+        <translation type="vanished">360</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
        <source>Whether to delete this directory?</source>
-        <translation>དཀར་ཆག་འདི་གསུབ་བམ།</translation>
+        <translation type="vanished">དཀར་ཆག་འདི་གསུབ་བམ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="300"/>
        <source>Yes</source>
-        <translation>རེད།</translation>
+        <translation type="vanished">རེད།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="301"/>
        <source>No</source>
-        <translation>མིན།</translation>
+        <translation type="vanished">མིན།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="359"/>
        <source>Creating ...</source>
-        <translation>དཀར་ཆག་འདྲེན་བཞིན་ཡོད།</translation>
+        <translation type="vanished">དཀར་ཆག་འདྲེན་བཞིན་ཡོད།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="362"/>
        <source>Done</source>
-        <translation>བསྒྲུབས་ཚར།</translation>
+        <translation type="vanished">བསྒྲུབས་ཚར།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="370"/>
        <source>Index Entry: %1</source>
-        <translation>གསལ་བྱང་ཚན་པ།:</translation>
+        <translation type="vanished">གསལ་བྱང་ཚན་པ།:</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="416"/>
        <source>Directories</source>
-        <translation>དཀར་ཆག</translation>
+        <translation type="vanished">དཀར་ཆག</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="417"/>
        <source>select blocked folder</source>
-        <translation>བཀག་སྡོམ་བྱས་པའི་ཡིག་སྣོད་གདམ་གསེས</translation>
+        <translation type="vanished">བཀག་སྡོམ་བྱས་པའི་ཡིག་སྣོད་གདམ་གསེས</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="418"/>
        <source>Select</source>
-        <translation>བདམས་ཐོན་བྱུང་བ།</translation>
+        <translation type="vanished">བདམས་ཐོན་བྱུང་བ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="419"/>
        <source>Position: </source>
-        <translation>གོ་གནས་ནི། </translation>
+        <translation type="vanished">གོ་གནས་ནི། </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="420"/>
        <source>FileName: </source>
-        <translation>ཡིག་ཆའི་མིང་ནི། </translation>
+        <translation type="vanished">ཡིག་ཆའི་མིང་ནི། </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="421"/>
        <source>FileType: </source>
-        <translation>ཡིག་ཆའི་རིགས་དབྱིབས་ནི། </translation>
+        <translation type="vanished">ཡིག་ཆའི་རིགས་དབྱིབས་ནི། </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="422"/>
        <source>Cancel</source>
-        <translation>ཕྱིར་འཐེན།</translation>
+        <translation type="vanished">ཕྱིར་འཐེན།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="487"/>
        <source>Choosen path is Empty!</source>
-        <translation>བདམས་ཟིན་པའི་ལམ་ཐིག་མི་འདུག</translation>
+        <translation type="vanished">བདམས་ཟིན་པའི་ལམ་ཐིག་མི་འདུག</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="491"/>
        <source>Choosen path is not in &quot;home&quot;!</source>
-        <translation>ཁྱིམ་གྱི་དཀར་ཆག་ནང་གི་ཡིག་སྣོད་འདེམ་རོགས།</translation>
+        <translation type="vanished">ཁྱིམ་གྱི་དཀར་ཆག་ནང་གི་ཡིག་སྣོད་འདེམ་རོགས།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="495"/>
        <source>Its&apos; parent folder has been blocked!</source>
-        <translation>རིམ་པ་གོང་མའི་ཡིག་སྣོད་གབ་ཟིན།</translation>
+        <translation type="vanished">རིམ་པ་གོང་མའི་ཡིག་སྣོད་གབ་ཟིན།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="499"/>
        <source>Set blocked folder failed!</source>
-        <translation>བཀག་སྡོམ་བྱས་པའི་ཡིག་སྣོད་ལ་ཕམ་ཉེས་བྱུང་བ་རེད།</translation>
+        <translation type="vanished">བཀག་སྡོམ་བྱས་པའི་ཡིག་སྣོད་ལ་ཕམ་ཉེས་བྱུང་བ་རེད།</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="504"/>
        <source>OK</source>
-        <translation>འགྲིགས།</translation>
+        <translation type="vanished">འགྲིགས།</translation>
    </message>
 </context>
 <context>
    <name>UkuiSearch::UkuiSearchGui</name>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="106"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="107"/>
        <source>Quit ukui-search application</source>
        <translation>ཉེར་སྤྱོད་གོ་རིམ་ལས་ཕྱིར་འཐེན་བྱ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="109"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="110"/>
        <source>Show main window</source>
        <translation>སྒེའུ་ཁུང་གཙོ་བོ་མངོན་པ།</translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="112"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="113"/>
        <source>unregister a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="115"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="116"/>
        <source>register a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="118"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="119"/>
        <source>move &lt;pluginName&gt; to the target pos</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="121"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="122"/>
        <source>move plugin to &lt;index&gt;</source>
        <translation type="unfinished"></translation>
    </message>
--- a/translations/ukui-search/mn.ts
+++ b/translations/ukui-search/mn.ts
@ -12,32 +12,32 @@
 <context>
    <name>UkuiSearch::CreateIndexAskDialog</name>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="41"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="42"/>
        <source>ukui-search</source>
        <translation>ᠬᠠᠢᠯᠲᠠ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="70"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="71"/>
        <source>Search</source>
        <translation>ᠬᠠᠢᠯᠳᠠ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="94"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="95"/>
        <source>Creating index can help you getting results quickly, whether to create or not?</source>
        <translation>ᠬᠡᠯᠬᠢᠶᠡᠰᠦ ᠪᠠᠢᠭᠤᠯᠵᠤ ᠬᠠᠢᠯᠲᠠ᠎ᠶᠢᠨ ᠦᠷ᠎ᠡ ᠳ᠋ᠦᠩ᠎ᠢ ᠬᠤᠷᠳᠤᠨ ᠤᠯᠵᠤ ᠪᠤᠯᠤᠨ᠎ᠠ ᠂ ᠪᠠᠢᠭᠤᠯᠬᠤ ᠤᠤ?</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="105"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="106"/>
        <source>Don&apos;t remind</source>
        <translation>ᠳᠠᠬᠢᠵᠤ ᠰᠠᠨᠠᠭᠤᠯᠬᠤ ᠦᠬᠡᠢ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="116"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="117"/>
        <source>No</source>
        <translation>ᠦᠭᠡᠢ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="118"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="119"/>
        <source>Yes</source>
        <translation>ᠪᠣᠯᠣᠨ᠎ᠠ</translation>
    </message>
@ -45,20 +45,19 @@
 <context>
    <name>UkuiSearch::FolderListItem</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="538"/>
        <source>Delete the folder out of blacklist</source>
-        <translation>ᠬᠠᠰᠤᠬᠤ</translation>
+        <translation type="vanished">ᠬᠠᠰᠤᠬᠤ</translation>
    </message>
 </context>
 <context>
    <name>UkuiSearch::MainWindow</name>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="71"/>
+        <location filename="../../frontend/mainwindow.cpp" line="72"/>
        <source>ukui-search</source>
        <translation>ᠬᠠᠢᠯᠲᠠ</translation>
    </message>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="79"/>
+        <location filename="../../frontend/mainwindow.cpp" line="80"/>
        <source>Global Search</source>
        <translation>ᠬᠠᠢᠯᠲᠠ</translation>
    </message>
@ -66,7 +65,7 @@
 <context>
    <name>UkuiSearch::SearchLineEdit</name>
    <message>
-        <location filename="../../frontend/control/search-line-edit.cpp" line="57"/>
+        <location filename="../../frontend/control/search-line-edit.cpp" line="53"/>
        <source>Search</source>
        <translation>ᠬᠠᠢᠯᠳᠠ</translation>
    </message>
@ -74,193 +73,159 @@
 <context>
    <name>UkuiSearch::SettingsWidget</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="35"/>
        <source>ukui-search-settings</source>
-        <translation>ᠬᠠᠢᠯᠲᠠ</translation>
+        <translation type="vanished">ᠬᠠᠢᠯᠲᠠ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="81"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="503"/>
        <source>Search</source>
-        <translation>ᠬᠠᠢᠯᠲᠠ</translation>
+        <translation type="vanished">ᠬᠠᠢᠯᠲᠠ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="108"/>
        <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
-        <translation>&lt;h2&gt; ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ&lt;/h2&gt;</translation>
+        <translation type="vanished">&lt;h2&gt; ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ&lt;/h2&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="113"/>
        <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt; ᠬᠡᠯᠬᠢᠶᠡᠰᠦ᠎ᠶᠢᠨ ᠪᠠᠢᠳᠠᠯ&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt; ᠬᠡᠯᠬᠢᠶᠡᠰᠦ᠎ᠶᠢᠨ ᠪᠠᠢᠳᠠᠯ&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="115"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="117"/>
        <source>...</source>
-        <translation>...</translation>
+        <translation type="vanished">...</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="125"/>
        <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt; ᠹᠠᠢᠯ᠎ᠤᠨ ᠬᠡᠯᠬᠢᠶᠡᠰᠦ᠎ᠶᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt; ᠹᠠᠢᠯ᠎ᠤᠨ ᠬᠡᠯᠬᠢᠶᠡᠰᠦ᠎ᠶᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="127"/>
        <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
-        <translation type="unfinished">ᠬᠠᠢᠯᠲᠠ᠎ᠪᠠᠷ ᠳᠠᠷᠠᠭᠠᠬᠢ ᠴᠤᠮᠤᠭ᠎ᠢ ᠪᠠᠢᠴᠠᠭᠠᠵᠤ ᠦᠵᠡᠬᠦ᠌ ᠦᠬᠡᠢ ᠂ ᠨᠡᠮᠡᠬᠦ᠌ ᠪᠤᠶᠤ ᠬᠠᠰᠤᠬᠤ᠎ᠪᠠᠷ ᠳᠠᠮᠵᠢᠭᠤᠯᠤᠨ ᠢᠯᠭᠠᠵᠤ ᠭᠠᠷᠭᠠᠭᠰᠠᠨ ᠴᠤᠮᠤᠭ᠎ᠤᠨ ᠪᠠᠢᠷᠢ᠎ᠶᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠵᠤ ᠪᠤᠯᠤᠨ᠎ᠠ ᠃</translation>
+        <translation type="obsolete">ᠬᠠᠢᠯᠲᠠ᠎ᠪᠠᠷ ᠳᠠᠷᠠᠭᠠᠬᠢ ᠴᠤᠮᠤᠭ᠎ᠢ ᠪᠠᠢᠴᠠᠭᠠᠵᠤ ᠦᠵᠡᠬᠦ᠌ ᠦᠬᠡᠢ ᠂ ᠨᠡᠮᠡᠬᠦ᠌ ᠪᠤᠶᠤ ᠬᠠᠰᠤᠬᠤ᠎ᠪᠠᠷ ᠳᠠᠮᠵᠢᠭᠤᠯᠤᠨ ᠢᠯᠭᠠᠵᠤ ᠭᠠᠷᠭᠠᠭᠰᠠᠨ ᠴᠤᠮᠤᠭ᠎ᠤᠨ ᠪᠠᠢᠷᠢ᠎ᠶᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠵᠤ ᠪᠤᠯᠤᠨ᠎ᠠ ᠃</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="136"/>
        <source>Add ignored folders</source>
-        <translation>ᠴᠤᠮᠤᠭ᠎ᠢ ᠬᠠᠷ᠎ᠠ ᠳᠠᠩᠰᠠᠨ᠎ᠳᠤ ᠨᠡᠮᠡᠬᠦ᠌</translation>
+        <translation type="vanished">ᠴᠤᠮᠤᠭ᠎ᠢ ᠬᠠᠷ᠎ᠠ ᠳᠠᠩᠰᠠᠨ᠎ᠳᠤ ᠨᠡᠮᠡᠬᠦ᠌</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="157"/>
        <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt;ᠡᠷᠢᠯᠲᠡ ᠬᠦᠳᠡᠯᠬᠡᠬᠦᠷ᠎ᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt;ᠡᠷᠢᠯᠲᠡ ᠬᠦᠳᠡᠯᠬᠡᠬᠦᠷ᠎ᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="159"/>
        <source>Please select search engine you preferred.</source>
-        <translation>ᠢᠨᠲᠸᠷᠨ᠋ᠸᠲ᠎ᠦᠨ ᠡᠷᠢᠯᠳᠡ ᠬᠦᠳᠡᠯᠬᠡᠬᠦᠷ᠎ᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ</translation>
+        <translation type="vanished">ᠢᠨᠲᠸᠷᠨ᠋ᠸᠲ᠎ᠦᠨ ᠡᠷᠢᠯᠳᠡ ᠬᠦᠳᠡᠯᠬᠡᠬᠦᠷ᠎ᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠬᠤ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="172"/>
        <source>baidu</source>
-        <translation type="unfinished">ᠪᠠᠢ ᠳ᠋ᠦ᠋</translation>
+        <translation type="obsolete">ᠪᠠᠢ ᠳ᠋ᠦ᠋</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="174"/>
        <source>sougou</source>
-        <translation type="unfinished">ᠰᠸᠤ ᠭᠸᠦ</translation>
+        <translation type="obsolete">ᠰᠸᠤ ᠭᠸᠦ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="176"/>
        <source>360</source>
-        <translation type="unfinished">360</translation>
+        <translation type="obsolete">360</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
        <source>Whether to delete this directory?</source>
-        <translation>ᠲᠤᠰ ᠭᠠᠷᠴᠠᠭ᠎ᠢ ᠬᠠᠰᠤᠬᠤ ᠤᠤ?</translation>
+        <translation type="vanished">ᠲᠤᠰ ᠭᠠᠷᠴᠠᠭ᠎ᠢ ᠬᠠᠰᠤᠬᠤ ᠤᠤ?</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="300"/>
        <source>Yes</source>
-        <translation>Yes</translation>
+        <translation type="vanished">Yes</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="301"/>
        <source>No</source>
-        <translation>No</translation>
+        <translation type="vanished">No</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="359"/>
        <source>Creating ...</source>
-        <translation>ᠶᠠᠭ ᠬᠡᠯᠬᠢᠶᠡᠰᠦᠯᠡᠵᠤ ᠪᠠᠢᠨ᠎ᠠ ...</translation>
+        <translation type="vanished">ᠶᠠᠭ ᠬᠡᠯᠬᠢᠶᠡᠰᠦᠯᠡᠵᠤ ᠪᠠᠢᠨ᠎ᠠ ...</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="362"/>
        <source>Done</source>
-        <translation>ᠬᠡᠯᠬᠢᠶᠡᠰᠦᠯᠡᠵᠤ ᠳᠠᠭᠤᠰᠪᠠ</translation>
+        <translation type="vanished">ᠬᠡᠯᠬᠢᠶᠡᠰᠦᠯᠡᠵᠤ ᠳᠠᠭᠤᠰᠪᠠ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="370"/>
        <source>Index Entry: %1</source>
-        <translation>ᠬᠡᠯᠬᠢᠶᠡᠰᠦ᠎ᠶᠢᠨ ᠵᠦᠢᠯ ᠄%1</translation>
+        <translation type="vanished">ᠬᠡᠯᠬᠢᠶᠡᠰᠦ᠎ᠶᠢᠨ ᠵᠦᠢᠯ ᠄%1</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="416"/>
        <source>Directories</source>
-        <translation type="unfinished">ᠴᠤᠮᠤᠭ</translation>
+        <translation type="obsolete">ᠴᠤᠮᠤᠭ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="417"/>
        <source>select blocked folder</source>
-        <translation>ᠬᠠᠯᠬᠠᠯᠠᠭᠰᠠᠨ ᠴᠤᠮᠤᠭ᠎ᠢ ᠰᠤᠩᠭᠤᠬᠤ</translation>
+        <translation type="vanished">ᠬᠠᠯᠬᠠᠯᠠᠭᠰᠠᠨ ᠴᠤᠮᠤᠭ᠎ᠢ ᠰᠤᠩᠭᠤᠬᠤ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="418"/>
        <source>Select</source>
-        <translation type="unfinished">ᠰᠤᠩᠭᠤᠬᠤ</translation>
+        <translation type="obsolete">ᠰᠤᠩᠭᠤᠬᠤ</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="419"/>
        <source>Position: </source>
-        <translation>ᠪᠠᠢᠷᠢ ᠄ </translation>
+        <translation type="vanished">ᠪᠠᠢᠷᠢ ᠄ </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="420"/>
        <source>FileName: </source>
-        <translation type="unfinished">ᠹᠠᠢᠯ᠎ᠤᠨ ᠨᠡᠷ᠎ᠡ ᠄ </translation>
+        <translation type="obsolete">ᠹᠠᠢᠯ᠎ᠤᠨ ᠨᠡᠷ᠎ᠡ ᠄ </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="421"/>
        <source>FileType: </source>
-        <translation>ᠬᠡᠯᠪᠡᠷᠢ ᠮᠠᠶᠢᠭ ᠄ </translation>
+        <translation type="vanished">ᠬᠡᠯᠪᠡᠷᠢ ᠮᠠᠶᠢᠭ ᠄ </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="422"/>
        <source>Cancel</source>
-        <translation type="unfinished">ᠦᠬᠡᠢᠰᠭᠡᠬᠦ᠌</translation>
+        <translation type="obsolete">ᠦᠬᠡᠢᠰᠭᠡᠬᠦ᠌</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="487"/>
        <source>Choosen path is Empty!</source>
-        <translation>ᠰᠤᠩᠭᠤᠭᠰᠠᠨ ᠵᠠᠮ ᠪᠠᠢᠬᠤ ᠦᠬᠡᠢ!</translation>
+        <translation type="vanished">ᠰᠤᠩᠭᠤᠭᠰᠠᠨ ᠵᠠᠮ ᠪᠠᠢᠬᠤ ᠦᠬᠡᠢ!</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="491"/>
        <source>Choosen path is not in &quot;home&quot;!</source>
-        <translation>ᠲᠤᠰ ᠭᠠᠷᠴᠠ ᠳᠤᠤᠷᠠᠬᠢ ᠴᠤᠮᠤᠭ᠎ᠢ ᠰᠤᠩᠭᠤᠭᠠᠷᠠᠢ!</translation>
+        <translation type="vanished">ᠲᠤᠰ ᠭᠠᠷᠴᠠ ᠳᠤᠤᠷᠠᠬᠢ ᠴᠤᠮᠤᠭ᠎ᠢ ᠰᠤᠩᠭᠤᠭᠠᠷᠠᠢ!</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="495"/>
        <source>Its&apos; parent folder has been blocked!</source>
-        <translation>ᠡᠬᠢ ᠴᠤᠮᠤᠭ ᠨᠢᠭᠡᠨᠳᠡ ᠬᠠᠯᠬᠠᠯᠠᠭᠳᠠᠪᠠ!</translation>
+        <translation type="vanished">ᠡᠬᠢ ᠴᠤᠮᠤᠭ ᠨᠢᠭᠡᠨᠳᠡ ᠬᠠᠯᠬᠠᠯᠠᠭᠳᠠᠪᠠ!</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="499"/>
        <source>Set blocked folder failed!</source>
-        <translation>ᠬᠠᠱᠢᠭᠳᠠᠭᠰᠠᠨ ᠴᠤᠮᠤᠭ᠎ᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠵᠤ ᠴᠢᠳᠠᠭᠰᠠᠨ ᠦᠬᠡᠢ!</translation>
+        <translation type="vanished">ᠬᠠᠱᠢᠭᠳᠠᠭᠰᠠᠨ ᠴᠤᠮᠤᠭ᠎ᠢ ᠳᠤᠬᠢᠷᠠᠭᠤᠯᠵᠤ ᠴᠢᠳᠠᠭᠰᠠᠨ ᠦᠬᠡᠢ!</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="504"/>
        <source>OK</source>
-        <translation>OK</translation>
+        <translation type="vanished">OK</translation>
    </message>
 </context>
 <context>
    <name>UkuiSearch::UkuiSearchGui</name>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="106"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="107"/>
        <source>Quit ukui-search application</source>
        <translation>ᠬᠠᠢᠯᠲᠠ᠎ᠶᠢᠨ ᠬᠡᠷᠡᠭᠯᠡᠯᠳᠡ᠎ᠡᠴᠡ ᠪᠤᠴᠠᠵᠤ ᠭᠠᠷᠬᠤ</translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="109"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="110"/>
        <source>Show main window</source>
        <translation>ᠭᠤᠤᠯ ᠨᠢᠭᠤᠷ ᠬᠠᠭᠤᠳᠠᠰᠤ᠎ᠶᠢ ᠢᠯᠡᠷᠡᠬᠦᠯᠬᠦ᠌</translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="112"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="113"/>
        <source>unregister a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="115"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="116"/>
        <source>register a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="118"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="119"/>
        <source>move &lt;pluginName&gt; to the target pos</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="121"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="122"/>
        <source>move plugin to &lt;index&gt;</source>
        <translation type="unfinished"></translation>
    </message>
--- a/translations/ukui-search/tr.ts
+++ b/translations/ukui-search/tr.ts
@ -297,32 +297,32 @@
 <context>
    <name>UkuiSearch::CreateIndexAskDialog</name>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="41"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="42"/>
        <source>ukui-search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="70"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="71"/>
        <source>Search</source>
        <translation type="unfinished">Ara</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="94"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="95"/>
        <source>Creating index can help you getting results quickly, whether to create or not?</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="105"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="106"/>
        <source>Don&apos;t remind</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="116"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="117"/>
        <source>No</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="118"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="119"/>
        <source>Yes</source>
        <translation type="unfinished"></translation>
    </message>
@ -330,9 +330,8 @@
 <context>
    <name>UkuiSearch::FolderListItem</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="538"/>
        <source>Delete the folder out of blacklist</source>
-        <translation type="unfinished">Klasörü kara listeden silin</translation>
+        <translation type="obsolete">Klasörü kara listeden silin</translation>
    </message>
 </context>
 <context>
@ -353,12 +352,12 @@
 <context>
    <name>UkuiSearch::MainWindow</name>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="71"/>
+        <location filename="../../frontend/mainwindow.cpp" line="72"/>
        <source>ukui-search</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="79"/>
+        <location filename="../../frontend/mainwindow.cpp" line="80"/>
        <source>Global Search</source>
        <translation type="unfinished">Genel Arama</translation>
    </message>
@ -419,7 +418,7 @@
 <context>
    <name>UkuiSearch::SearchLineEdit</name>
    <message>
-        <location filename="../../frontend/control/search-line-edit.cpp" line="57"/>
+        <location filename="../../frontend/control/search-line-edit.cpp" line="53"/>
        <source>Search</source>
        <translation type="unfinished">Ara</translation>
    </message>
@ -427,162 +426,84 @@
 <context>
    <name>UkuiSearch::SettingsWidget</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="35"/>
-        <source>ukui-search-settings</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="81"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="503"/>
        <source>Search</source>
-        <translation type="unfinished">Ara</translation>
+        <translation type="obsolete">Ara</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="108"/>
        <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
-        <translation type="unfinished">&lt;h2&gt;Ayarlar&lt;/h2&gt;</translation>
+        <translation type="obsolete">&lt;h2&gt;Ayarlar&lt;/h2&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="113"/>
        <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
-        <translation type="unfinished">&lt;h3&gt;Dizin Durumu&lt;/h3&gt;</translation>
+        <translation type="obsolete">&lt;h3&gt;Dizin Durumu&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="115"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="117"/>
        <source>...</source>
-        <translation type="unfinished">...</translation>
+        <translation type="obsolete">...</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="125"/>
        <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
-        <translation type="unfinished">&lt;h3&gt;Dosya Dizini Ayarları&lt;/h3&gt;</translation>
+        <translation type="obsolete">&lt;h3&gt;Dosya Dizini Ayarları&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="127"/>
        <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
-        <translation type="unfinished">Aşağıdaki klasörler aranmayacaktır. Klasör ekleyip kaldırarak ayarlayabilirsiniz.</translation>
+        <translation type="obsolete">Aşağıdaki klasörler aranmayacaktır. Klasör ekleyip kaldırarak ayarlayabilirsiniz.</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="136"/>
        <source>Add ignored folders</source>
-        <translation type="unfinished">Göz ardı edilen klasörleri ekleyin</translation>
+        <translation type="obsolete">Göz ardı edilen klasörleri ekleyin</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="157"/>
        <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
-        <translation type="unfinished">&lt;h3&gt;SArama Motoru Ayarları&lt;/h3&gt;</translation>
+        <translation type="obsolete">&lt;h3&gt;SArama Motoru Ayarları&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="159"/>
        <source>Please select search engine you preferred.</source>
-        <translation type="unfinished">Lütfen tercih ettiğiniz arama motorunu seçin.</translation>
+        <translation type="obsolete">Lütfen tercih ettiğiniz arama motorunu seçin.</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="172"/>
-        <source>baidu</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="174"/>
-        <source>sougou</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="176"/>
-        <source>360</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
        <source>Whether to delete this directory?</source>
-        <translation type="unfinished">Bu dizini silinsin mi?</translation>
+        <translation type="obsolete">Bu dizini silinsin mi?</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="300"/>
-        <source>Yes</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="301"/>
-        <source>No</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="359"/>
        <source>Creating ...</source>
-        <translation type="unfinished">Oluşturuluyor...</translation>
+        <translation type="obsolete">Oluşturuluyor...</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="362"/>
        <source>Done</source>
-        <translation type="unfinished">Tamam</translation>
+        <translation type="obsolete">Tamam</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="370"/>
        <source>Index Entry: %1</source>
-        <translation type="unfinished">Dizin Girişi: %1</translation>
+        <translation type="obsolete">Dizin Girişi: %1</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="416"/>
        <source>Directories</source>
-        <translation type="unfinished">Dizinler</translation>
+        <translation type="obsolete">Dizinler</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="417"/>
        <source>select blocked folder</source>
-        <translation type="unfinished">engellenen klasörü seç</translation>
+        <translation type="obsolete">engellenen klasörü seç</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="418"/>
        <source>Select</source>
-        <translation type="unfinished">Seç</translation>
+        <translation type="obsolete">Seç</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="419"/>
        <source>Position: </source>
-        <translation type="unfinished">Pozisyon: </translation>
+        <translation type="obsolete">Pozisyon: </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="420"/>
        <source>FileName: </source>
-        <translation type="unfinished">Dosya Adı: </translation>
+        <translation type="obsolete">Dosya Adı: </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="421"/>
        <source>FileType: </source>
-        <translation type="unfinished">Dosya Türü: </translation>
+        <translation type="obsolete">Dosya Türü: </translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="422"/>
        <source>Cancel</source>
-        <translation type="unfinished">İptal</translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="487"/>
-        <source>Choosen path is Empty!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="491"/>
-        <source>Choosen path is not in &quot;home&quot;!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="495"/>
-        <source>Its&apos; parent folder has been blocked!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="499"/>
-        <source>Set blocked folder failed!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="504"/>
-        <source>OK</source>
-        <translation type="unfinished"></translation>
+        <translation type="obsolete">İptal</translation>
    </message>
 </context>
 <context>
@ -615,32 +536,32 @@
 <context>
    <name>UkuiSearch::UkuiSearchGui</name>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="106"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="107"/>
        <source>Quit ukui-search application</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="109"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="110"/>
        <source>Show main window</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="112"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="113"/>
        <source>unregister a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="115"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="116"/>
        <source>register a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="118"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="119"/>
        <source>move &lt;pluginName&gt; to the target pos</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="121"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="122"/>
        <source>move plugin to &lt;index&gt;</source>
        <translation type="unfinished"></translation>
    </message>
--- a/translations/ukui-search/zh_CN.ts
+++ b/translations/ukui-search/zh_CN.ts
@ -59,32 +59,32 @@
 <context>
    <name>UkuiSearch::CreateIndexAskDialog</name>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="41"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="42"/>
        <source>ukui-search</source>
        <translation>搜索</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="70"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="71"/>
        <source>Search</source>
        <translation>搜索</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="94"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="95"/>
        <source>Creating index can help you getting results quickly, whether to create or not?</source>
        <translation>创建索引可以快速获取搜索结果，是否创建？</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="105"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="106"/>
        <source>Don&apos;t remind</source>
        <translation>不再提醒</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="116"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="117"/>
        <source>No</source>
        <translation>否(N)</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="118"/>
+        <location filename="../../frontend/control/create-index-ask-dialog.cpp" line="119"/>
        <source>Yes</source>
        <translation>是(Y)</translation>
    </message>
@ -92,9 +92,8 @@
 <context>
    <name>UkuiSearch::FolderListItem</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="538"/>
        <source>Delete the folder out of blacklist</source>
-        <translation>删除</translation>
+        <translation type="vanished">删除</translation>
    </message>
 </context>
 <context>
@ -115,12 +114,12 @@
 <context>
    <name>UkuiSearch::MainWindow</name>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="71"/>
+        <location filename="../../frontend/mainwindow.cpp" line="72"/>
        <source>ukui-search</source>
        <translation>搜索</translation>
    </message>
    <message>
-        <location filename="../../frontend/mainwindow.cpp" line="79"/>
+        <location filename="../../frontend/mainwindow.cpp" line="80"/>
        <source>Global Search</source>
        <translation>搜索</translation>
    </message>
@ -193,7 +192,7 @@
 <context>
    <name>UkuiSearch::SearchLineEdit</name>
    <message>
-        <location filename="../../frontend/control/search-line-edit.cpp" line="57"/>
+        <location filename="../../frontend/control/search-line-edit.cpp" line="53"/>
        <source>Search</source>
        <translation>搜索</translation>
    </message>
@ -201,162 +200,120 @@
 <context>
    <name>UkuiSearch::SettingsWidget</name>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="35"/>
        <source>ukui-search-settings</source>
-        <translation>搜索</translation>
+        <translation type="vanished">搜索</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="81"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="503"/>
        <source>Search</source>
-        <translation>搜索</translation>
+        <translation type="vanished">搜索</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="108"/>
        <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
-        <translation>&lt;h2&gt;设置&lt;/h2&gt;</translation>
+        <translation type="vanished">&lt;h2&gt;设置&lt;/h2&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="113"/>
        <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt;索引状态&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt;索引状态&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="115"/>
-        <location filename="../../frontend/control/settings-widget.cpp" line="117"/>
-        <source>...</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="125"/>
        <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt;文件索引设置&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt;文件索引设置&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="127"/>
        <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
-        <translation>搜索将不再查看以下文件夹。通过增加和删除文件夹可进行文件索引设置。</translation>
+        <translation type="vanished">搜索将不再查看以下文件夹。通过增加和删除文件夹可进行文件索引设置。</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="136"/>
        <source>Add ignored folders</source>
-        <translation>添加文件夹至黑名单</translation>
+        <translation type="vanished">添加文件夹至黑名单</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="157"/>
        <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
-        <translation>&lt;h3&gt;搜索引擎设置&lt;/h3&gt;</translation>
+        <translation type="vanished">&lt;h3&gt;搜索引擎设置&lt;/h3&gt;</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="159"/>
        <source>Please select search engine you preferred.</source>
-        <translation>设置互联网搜索引擎</translation>
+        <translation type="vanished">设置互联网搜索引擎</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="172"/>
        <source>baidu</source>
-        <translation>百度</translation>
+        <translation type="vanished">百度</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="174"/>
        <source>sougou</source>
-        <translation>搜狗</translation>
+        <translation type="vanished">搜狗</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="176"/>
        <source>360</source>
-        <translation>360</translation>
+        <translation type="vanished">360</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="299"/>
        <source>Whether to delete this directory?</source>
-        <translation>是否要删除此目录?</translation>
+        <translation type="vanished">是否要删除此目录?</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="300"/>
        <source>Yes</source>
-        <translation>是(Y)</translation>
+        <translation type="vanished">是(Y)</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="301"/>
        <source>No</source>
-        <translation>否(N)</translation>
+        <translation type="vanished">否(N)</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="359"/>
        <source>Creating ...</source>
-        <translation>正在索引...</translation>
+        <translation type="vanished">正在索引...</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="362"/>
        <source>Done</source>
-        <translation>索引完成</translation>
+        <translation type="vanished">索引完成</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="370"/>
        <source>Index Entry: %1</source>
-        <translation>索引项: %1</translation>
+        <translation type="vanished">索引项: %1</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="416"/>
        <source>Directories</source>
-        <translation>文件夹</translation>
+        <translation type="vanished">文件夹</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="417"/>
        <source>select blocked folder</source>
-        <translation>选择屏蔽文件夹</translation>
+        <translation type="vanished">选择屏蔽文件夹</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="418"/>
        <source>Select</source>
-        <translation>选择</translation>
+        <translation type="vanished">选择</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="419"/>
        <source>Position: </source>
-        <translation>位置：</translation>
+        <translation type="vanished">位置：</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="420"/>
        <source>FileName: </source>
-        <translation>名称：</translation>
+        <translation type="vanished">名称：</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="421"/>
        <source>FileType: </source>
-        <translation>类型：</translation>
+        <translation type="vanished">类型：</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="422"/>
        <source>Cancel</source>
-        <translation>取消</translation>
+        <translation type="vanished">取消</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="487"/>
        <source>Choosen path is Empty!</source>
-        <translation>选择的路径不存在！</translation>
+        <translation type="vanished">选择的路径不存在！</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="491"/>
        <source>Choosen path is not in &quot;home&quot;!</source>
-        <translation>请选择家目录下的文件夹！</translation>
+        <translation type="vanished">请选择家目录下的文件夹！</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="495"/>
        <source>Its&apos; parent folder has been blocked!</source>
-        <translation>父文件夹已被屏蔽！</translation>
+        <translation type="vanished">父文件夹已被屏蔽！</translation>
    </message>
    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="499"/>
-        <source>Set blocked folder failed!</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="../../frontend/control/settings-widget.cpp" line="504"/>
        <source>OK</source>
-        <translation>好的</translation>
+        <translation type="vanished">好的</translation>
    </message>
 </context>
 <context>
@ -389,32 +346,32 @@
 <context>
    <name>UkuiSearch::UkuiSearchGui</name>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="106"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="107"/>
        <source>Quit ukui-search application</source>
        <translation>退出搜索应用</translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="109"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="110"/>
        <source>Show main window</source>
        <translation>显示主页面</translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="112"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="113"/>
        <source>unregister a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="115"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="116"/>
        <source>register a plugin with &lt;pluginName&gt;</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="118"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="119"/>
        <source>move &lt;pluginName&gt; to the target pos</source>
        <translation type="unfinished"></translation>
    </message>
    <message>
-        <location filename="../../frontend/ukui-search-gui.cpp" line="121"/>
+        <location filename="../../frontend/ukui-search-gui.cpp" line="122"/>
        <source>move plugin to &lt;index&gt;</source>
        <translation type="unfinished"></translation>
    </message>