diff --git a/data/ukui-search-service-dir-manager.desktop b/data/ukui-search-service-dir-manager.desktop
new file mode 100644
index 0000000..ce75ff8
--- /dev/null
+++ b/data/ukui-search-service-dir-manager.desktop
@@ -0,0 +1,15 @@
+[Desktop Entry]
+Name=ukui-search-service-dir-manager
+Name[zh_CN]=搜索服务目录管理
+GenericName=ukui-search-service-dir-manager
+GenericName[zh_CN]=搜索服务目录管理
+Comment=ukui-search-service-dir-manager
+Comment[zh_CN]=搜索服务目录管理
+Exec=/usr/bin/ukui-search-service-dir-manager %U
+Type=Application
+Icon=kylin-search
+X-UKUI-AutoRestart=true
+OnlyShowIn=UKUI
+NoDisplay=true
+X-UKUI-Autostart-Phase=Application
+Terminal=false
diff --git a/libsearch/dirwatcher/dir-watcher.cpp b/libsearch/dirwatcher/dir-watcher.cpp
index a1de484..b9322fb 100644
--- a/libsearch/dirwatcher/dir-watcher.cpp
+++ b/libsearch/dirwatcher/dir-watcher.cpp
@@ -1,37 +1,19 @@
 #include "dir-watcher.h"
 
 #include <QDebug>
-#include <QDir>
-#include <QDBusConnection>
-#include <QDBusArgument>
 #include <QThread>
-#include <fstab.h>
-#include <QMutexLocker>
-
-#define CURRENT_INDEXABLE_DIR_SETTINGS QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search-current-indexable-dir.conf"
-#define INDEXABLE_DIR_VALUE "IndexableDir"
 
 static std::once_flag flag;
 static DirWatcher *global_intance = nullptr;
-QMutex DirWatcher::s_mutex;
 
 DirWatcher::DirWatcher(QObject *parent) : QObject(parent)
 {
-    m_qSettings = new QSettings(CURRENT_INDEXABLE_DIR_SETTINGS, QSettings::IniFormat);
-    initData();
-    initDiskWatcher();
-    m_adaptor = new DirWatcherAdaptor(this);
-}
-
-DirWatcher::~DirWatcher()
-{
-    if (m_volumeMonitor) {
-        g_signal_handler_disconnect(m_volumeMonitor, m_mountAddHandle);
-        g_signal_handler_disconnect(m_volumeMonitor, m_mountRemoveHandle);
-        m_volumeMonitor = nullptr;
-    }
-    if(m_qSettings){
-        delete m_qSettings;
+    m_dbusInterface = new QDBusInterface("com.ukui.search.fileindex.service",
+                                         "/org/ukui/search/privateDirWatcher",
+                                         "org.ukui.search.fileindex");
+    if (!m_dbusInterface->isValid()) {
+        qCritical() << "Create privateDirWatcher Interface Failed Because: " << QDBusConnection::sessionBus().lastError();
+        return;
     }
 }
 
@@ -45,54 +27,31 @@ DirWatcher *DirWatcher::getDirWatcher()
 
 void DirWatcher::initDbusService()
 {
-    //注册服务
-    QDBusConnection sessionBus = QDBusConnection::sessionBus();
-    if (!sessionBus.registerService("com.ukui.search.fileindex.service")) {
-        qWarning() << "ukui-search-fileindex dbus register service failed reason:" << sessionBus.lastError();
-    }
-
-    if(!sessionBus.registerObject("/org/ukui/search/fileindex", this, QDBusConnection::ExportAdaptors)){
-        qWarning() << "ukui-search-fileindex dbus register object failed reason:" << sessionBus.lastError();
+    QDBusReply<void> reply = m_dbusInterface->call("initDbusService");
+    if (!reply.isValid()) {
+        qCritical() << "initDbusService call filed!";
     }
 }
 
-QStringList DirWatcher::currentindexableDir()
+QStringList DirWatcher::currentIndexableDir()
 {
-    QMutexLocker locker(&s_mutex);
-    m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
-    m_indexableDirList = m_qSettings->value(INDEXABLE_DIR_VALUE).toStringList();
-    m_qSettings->endGroup();
-    QStringList indexableDirs = m_indexableDirList;
-    return indexableDirs;
+
+    QDBusReply<QStringList> reply = m_dbusInterface->call("currentIndexableDir");
+    if (!reply.isValid()) {
+        qCritical() << "currentIndexableDir call filed!";
+        return QStringList();
+    }
+    return reply.value();
 }
 
 QStringList DirWatcher::currentBlackListOfIndex()
 {
-    QMutexLocker locker(&s_mutex);
-    QStringList blackListOfIndex = m_blackListOfIndex;
-    return blackListOfIndex;
-}
-
-void DirWatcher::handleIndexItemAppend(const QString &path, QStringList &blackList)
-{
-    if (m_indexableDirList.contains(path)) {
-        qDebug() << QString("index path %1 is already added.").arg(path);
-        return;
+    QDBusReply<QStringList> reply = m_dbusInterface->call("currentBlackListOfIndex");
+    if (!reply.isValid()) {
+        qCritical() << "currentBlackListOfIndex call filed!";
+        return QStringList();
     }
-    m_indexableDirList << path;
-    m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
-    m_qSettings->setValue(INDEXABLE_DIR_VALUE, m_indexableDirList);
-    m_qSettings->endGroup();
-    Q_EMIT this->appendIndexItem(path, blackList);
-    qDebug() << "index path:" << path << "blacklist:" << blackList;
-}
-
-void DirWatcher::handleIndexItemRemove(const QString &path)
-{
-    m_indexableDirList.removeAll(path);
-    m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
-    m_qSettings->setValue(INDEXABLE_DIR_VALUE, m_indexableDirList);
-    m_qSettings->endGroup();
+    return reply.value();
 }
 
 /**
@@ -101,322 +60,46 @@ void DirWatcher::handleIndexItemRemove(const QString &path)
  */
 QStringList DirWatcher::blackListOfDir(const QString &dirPath)
 {
-    //new TODO: Optimize the search algorithm.
-    //There is no processing for the subvolumes.May be a bug.
-    QStringList blackListOfDir;
-    QMutexLocker locker(&s_mutex);
-    for (auto t = m_repeatedlyMountedDeviceInfo.constBegin(); t != m_repeatedlyMountedDeviceInfo.constEnd(); t++) {
-        QString topRepeatedMountPoint;
-        for (QString mountPoint: t.value()) {
-            if (mountPoint.startsWith(dirPath)) {
-                if (topRepeatedMountPoint.isEmpty()) {
-                    topRepeatedMountPoint = mountPoint;
-                    continue;
-                } else if (topRepeatedMountPoint.startsWith(mountPoint)) {
-                    blackListOfDir.append(topRepeatedMountPoint);
-                    topRepeatedMountPoint = mountPoint;
-                } else {
-                    blackListOfDir.append(mountPoint);
-                }
-            }
-        }
-    }
-    for (auto i = m_infoOfSubvolume.constBegin(); i != m_infoOfSubvolume.constEnd(); i++) {
-        QString mountPoint = i.value();
-        QString spec = i.key();
-        //排除搜索列表指定多个目录时子卷会重复包含的情况，比如同时指定/home和/data/home
-        QString tmp = dirPath;
-        if (dirPath.startsWith(mountPoint)) {
-            blackListOfDir.append(tmp.replace(0, mountPoint.length(), spec));
-        }
-        if (dirPath.startsWith(spec)) {
-            blackListOfDir.append(tmp.replace(0, spec.length(), mountPoint));
-        }
-    }
-    return blackListOfDir;
-}
-
-void DirWatcher::appendBlackListItemOfIndex(const QString &path)
-{
-    QMutexLocker locker(&s_mutex);
-    m_blackListOfIndex.append(path);
-    m_blackListOfIndex = m_blackListOfIndex.toSet().toList();
-}
-
-void DirWatcher::appendBlackListItemOfIndex(const QStringList &pathList)
-{
-    QMutexLocker locker(&s_mutex);
-    m_blackListOfIndex.append(pathList);
-    m_blackListOfIndex = m_blackListOfIndex.toSet().toList();
-}
-
-void DirWatcher::removeBlackListItemOfIndex(const QString &path)
-{
-    QMutexLocker locker(&s_mutex);
-    m_blackListOfIndex.removeAll(path);
-}
-
-void DirWatcher::removeBlackListItemOfIndex(const QStringList &pathList)
-{
-    QMutexLocker locker(&s_mutex);
-    for (QString path: pathList) {
-        m_blackListOfIndex.removeAll(path);
+    QDBusReply<QStringList> reply = m_dbusInterface->call("blackListOfDir", dirPath);
+    if (!reply.isValid()) {
+        qCritical() << "blackListOfDir call filed!";
+        return QStringList();
     }
+    return reply.value();
 }
 
 QStringList DirWatcher::currentSearchableDir()
 {
-    QMutexLocker locker(&s_mutex);
-    return m_searchableDirList;
+    QDBusReply<QStringList> reply = m_dbusInterface->call("currentSearchableDir");
+    if (!reply.isValid()) {
+        qCritical() << "currentSearchableDir call filed!";
+        return QStringList();
+    }
+    return reply.value();
 }
 
 QStringList DirWatcher::searchableDirForSearchApplication()
 {
-    QMutexLocker locker(&s_mutex);
-    return m_searchableListForApplication;
-}
-
-void DirWatcher::mountAddCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis)
-{
-    qDebug() << "Mount Added";
-    pThis->handleDisk();
-}
-
-void DirWatcher::mountRemoveCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis)
-{
-    qDebug() << "Mount Removed";
-    QMutexLocker locker(&s_mutex);
-    //处理u盘设备
-    if (pThis->m_removedUDiskDevice != NULL) {
-        pThis->m_currentUDiskDeviceInfo.remove(pThis->m_removedUDiskDevice);
-        qDebug() << "m_currentMountedDeviceInfo:" << pThis->m_currentMountedDeviceInfo;
-        qDebug() << "m_repeatedlyMountedDeviceInfo:" << pThis->m_repeatedlyMountedDeviceInfo;
-        qDebug() << "m_currentUDiskDeviceInfo:" << pThis->m_currentUDiskDeviceInfo;
-        qDebug() << "m_blackListOfIndex:" << pThis->m_blackListOfIndex;
-        pThis->m_removedUDiskDevice = "";
-        return;
+    QDBusReply<QStringList> reply = m_dbusInterface->call("searchableDirForSearchApplication");
+    if (!reply.isValid()) {
+        qCritical() << "searchableDirForSearchApplication call filed!";
+        return QStringList();
     }
-
-    GMount* mount = (GMount*)g_object_ref(gmount);
-    GFile* rootFile;
-    rootFile = g_mount_get_root(mount);
-    if (!rootFile) {
-        return;
-    }
-    QString mountPoint = g_file_get_uri(rootFile);
-    if (mountPoint.isEmpty()) {
-        return;
-    }
-    //处理uri转码,处理子卷情况
-    if (mountPoint.startsWith("file:///")) {
-        QString removedMountPoint = g_filename_from_uri(mountPoint.toUtf8().constData(), nullptr, nullptr);
-        pThis->m_blackListOfIndex.removeAll(removedMountPoint);
-        for (auto t = pThis->m_infoOfSubvolume.constBegin(); t != pThis->m_infoOfSubvolume.constEnd(); t++) {
-            if (removedMountPoint.startsWith(t.value())) {
-                pThis->m_blackListOfIndex.removeAll(removedMountPoint.replace(t.value(), t.key()));
-            }
-            if (removedMountPoint.startsWith(t.key())) {
-                pThis->m_blackListOfIndex.removeAll(removedMountPoint.replace(t.key(), t.value()));
-            }
-        }
-        qDebug() << "m_currentMountedDeviceInfo:" << pThis->m_currentMountedDeviceInfo;
-        qDebug() << "m_repeatedlyMountedDeviceInfo:" << pThis->m_repeatedlyMountedDeviceInfo;
-        qDebug() << "m_currentUDiskDeviceInfo:" << pThis->m_currentUDiskDeviceInfo;
-        qDebug() << "m_blackListOfIndex:" << pThis->m_blackListOfIndex;
-    } else {
-        qWarning() << "There's someting wrong with the MountPoint!";
-    }
-    g_object_unref(rootFile);
+    return reply.value();
 }
 
 void DirWatcher::appendIndexableListItem(const QString &path)
 {
-    QFile file(path);
-    if (!file.exists()) {
-        qWarning() << QString("target path:%1 is not exists!").arg(path);
-        return;
+    QDBusReply<void> reply = m_dbusInterface->call("appendIndexableListItem", path);
+    if (!reply.isValid()) {
+        qCritical() << "appendIndexableListItem call filed!";
     }
-    if (path == "/") {
-        this->currentindexableDir();
-        this->handleIndexItemAppend(path, m_blackListOfIndex);
-        return;
-    }
-
-    QStringList blackList = this->blackListOfDir(path);
-    //处理要添加索引的路径与索引黑名单中路径为父子关系的情况
-    for (const QString& blackListPath : m_blackListOfIndex) {
-        if (path.startsWith(blackListPath + "/")) {
-            return;
-        }
-        if (blackListPath.startsWith(path + "/")) {
-            blackList.append(blackListPath);
-        }
-    }
-
-    this->currentindexableDir();
-    qDebug() << "m_indexableDirList:" << m_indexableDirList;
-    //处理要添加索引的路径与已索引路径为父子关系的情况
-    for (int i = 0; i < m_indexableDirList.length(); i++) {
-        const QString indexablePath = m_indexableDirList.at(i);
-        if (path.startsWith(indexablePath + "/")) {
-            qDebug() << "return in:" << __FILE__ << ":" << __LINE__;
-            return;
-        }
-        if (blackList.contains(indexablePath)) {
-            qDebug() << "return in:" << __FILE__ << ":" << __LINE__;
-            return;
-        }
-        if (indexablePath.startsWith(path + "/")) {
-            m_indexableDirList.removeAll(indexablePath);
-            blackList.append(indexablePath);
-        }
-    }
-    this->handleIndexItemAppend(path, blackList);
 }
 
 void DirWatcher::removeIndexableListItem(const QString &path)
 {
-    this->currentindexableDir();
-    this->handleIndexItemRemove(path);
-    Q_EMIT this->removeIndexItem(path);
-}
-
-void DirWatcher::initData()
-{
-    //适配需求，可索引目录为用户指定。
-//    m_indexableDirList << "/data" << QDir::homePath();
-    /* boot里面存放Linux核心文件，开机选单与开机所需配置文件等
-     * backup里面是系统备份文件
-     * bin放置的是在单人维护模式下还能够被操作的指令，在bin底下的指令可以被root与一般账号所使用。
-     * dev里面存放设备文件
-     * etc里面存放了几乎所有的系统主要配置文件，包括人员的账号密码文件，各种服务的起始档等
-     * lib放置最基本的共享库和内核模块，lib32，lib64，libx32分别面向32位，64位以及x32 ABI。他们都分别连接到usr下的lib*中
-     * media一般放置可移除的装置，包括软盘，光盘和一些移动存储设备都自动挂载到这里
-     * mnt原本和media用途相同，现用来放置暂时挂载一些额外装置
-     * usr是Unix操作系统软件资源所放置的目录,所有系统默认的软件(distribution发布者提供的软件)都会放置到usr底下
-     * var目录主要针对常态性变动的文件，包括缓存(cache)、登录档(log file)以及某些软件运作所产生的文件，包括程序文件(lock file, run file)，或者如MySQL数据库的文件等
-     */
-    m_blackListOfIndex << "/boot" << "backup" << "bin" << "/dev" << "/etc" << "/usr" << "/var"
-                       << "/lib" << "lib32" << "lib64" << "libx32" << "/media" << "/mnt" << "cdrom"
-                       << "/sys" << "/proc" << "tmp" << "/srv" << "/sbin" << "/run" << "/opt";
-
-    //目前方案：可搜索目录（服务）默认根目录，可搜索目录（应用）默认家目录和/data目录
-    m_searchableListForApplication << "/data" << QDir::homePath();
-    m_searchableDirList << "/";
-
-    //init auto mounted device list
-    setfsent();
-    while (1) {
-        fstab *myFstab = getfsent();
-        if (!myFstab) {
-            endfsent();
-            break;
-        }
-        QString automaticMountPoint = myFstab->fs_file;
-        QString spec = myFstab->fs_spec;
-
-        //目前只索引data和home，因此只存这两个文件夹下的挂载点
-        if (automaticMountPoint.contains("/data") || automaticMountPoint.contains("/home")) {
-            m_autoMountList.append(automaticMountPoint);
-        }
-        if (!spec.startsWith("UUID")) {
-            m_infoOfSubvolume.insert(spec, automaticMountPoint);
-        }
-    }
-
-    //init disk data, refresh the black list
-    handleDisk();
-}
-
-void DirWatcher::initDiskWatcher()
-{
-    //use Dbus to monitor the hot plug of Udisk.
-    QDBusConnection::systemBus().connect("org.freedesktop.UDisks2",
-                                         "/org/freedesktop/UDisks2",
-                                         "org.freedesktop.DBus.ObjectManager",
-                                         "InterfacesAdded",
-                                         this, SLOT(handleAddedUDiskDevice(QDBusMessage)));
-    QDBusConnection::systemBus().connect("org.freedesktop.UDisks2",
-                                         "/org/freedesktop/UDisks2",
-                                         "org.freedesktop.DBus.ObjectManager",
-                                         "InterfacesRemoved",
-                                         this, SLOT(handleRemovedUDiskDevice(QDBusMessage)));
-
-    m_volumeMonitor = g_volume_monitor_get();
-    if (!m_volumeMonitor) {
-        return;
-    }
-    m_mountAddHandle = g_signal_connect(m_volumeMonitor, "mount-added", G_CALLBACK(mountAddCallback), this);
-    m_mountRemoveHandle = g_signal_connect(m_volumeMonitor, "mount-removed", G_CALLBACK(mountRemoveCallback), this);
-}
-
-void DirWatcher::handleDisk()
-{
-    //init current mounted device info
-    QMutexLocker locker(&s_mutex);
-    m_currentMountedDeviceInfo.clear();
-    for (QStorageInfo &storage: QStorageInfo::mountedVolumes()) {
-        if (storage.isValid() && storage.isReady() && QString(storage.device()).contains(QRegExp("/sd[a-z][1-9]"))) {
-            m_currentMountedDeviceInfo[storage.device()].append(storage.rootPath());
-
-            if (m_currentMountedDeviceInfo.value(storage.device()).length() > 1) {
-                m_repeatedlyMountedDeviceInfo.insert(storage.device(), m_currentMountedDeviceInfo.value(storage.device()));
-            }
-            if (storage.rootPath().startsWith("/data") || storage.rootPath().startsWith("/home")) {
-                m_blackListOfIndex.append(storage.rootPath());
-            }
-        }
-    }
-
-    //init udisk info
-    if (!m_addedUDiskDeviceList.isEmpty()) {
-        for (QString addedUDiskDevice: m_addedUDiskDeviceList) {
-            m_currentUDiskDeviceInfo.insert(addedUDiskDevice, m_currentMountedDeviceInfo.value("/dev/" + addedUDiskDevice));
-        }
-    }
-
-    //将u盘设备在/data和/home下的所有挂载点添加到索引黑名单
-    if (!m_currentUDiskDeviceInfo.isEmpty()) {
-        for (auto t = m_currentUDiskDeviceInfo.constBegin(); t != m_currentUDiskDeviceInfo.constEnd(); t++) {
-            for (QString udiskDevice: t.value()) {
-                if (udiskDevice.startsWith("/data") || udiskDevice.startsWith("/home")) {
-                    m_blackListOfIndex.append(udiskDevice);
-                }
-            }
-        }
-    }
-
-    //从黑名单中移除所有自动挂载设备（目前只包含自动挂载到/data和/home目录下的设备）
-    for (QString autoMountDevice: m_autoMountList) {
-        m_blackListOfIndex.removeAll(autoMountDevice);
-    }
-    m_blackListOfIndex.removeDuplicates();
-
-    qDebug() << "autoMountList:" << m_autoMountList;
-    qDebug() << "m_currentMountedDeviceInfo:" << m_currentMountedDeviceInfo;
-    qDebug() << "m_repeatedlyMountedDeviceInfo:" << m_repeatedlyMountedDeviceInfo;
-    qDebug() << "m_currentUDiskDeviceInfo:" << m_currentUDiskDeviceInfo;
-    qDebug() << "m_blackListOfIndex:" << m_blackListOfIndex;
-
-}
-
-void DirWatcher::handleAddedUDiskDevice(QDBusMessage msg)
-{
-    QDBusObjectPath objPath = msg.arguments().at(0).value<QDBusObjectPath>();
-    if (objPath.path().contains(QRegExp("/sd[a-z][1-9]"))) {
-        QMutexLocker locker(&s_mutex);
-        m_addedUDiskDeviceList.append(objPath.path().section("/",-1));
-        qDebug() << "Add Udisk:" << m_addedUDiskDeviceList;
-    }
-}
-
-void DirWatcher::handleRemovedUDiskDevice(QDBusMessage msg)
-{
-    Q_EMIT this->udiskRemoved();
-    QDBusObjectPath objPath = msg.arguments().at(0).value<QDBusObjectPath>();
-    if (objPath.path().contains(QRegExp("/sd[a-z][1-9]"))) {
-        QMutexLocker locker(&s_mutex);
-        m_removedUDiskDevice = objPath.path().section("/",-1);
-        m_addedUDiskDeviceList.removeAll(m_removedUDiskDevice);
+    QDBusReply<void> reply = m_dbusInterface->call("removeIndexableListItem", path);
+    if (!reply.isValid()) {
+        qCritical() << "removeIndexableListItem call filed!";
     }
 }
diff --git a/libsearch/dirwatcher/dir-watcher.h b/libsearch/dirwatcher/dir-watcher.h
index c362d93..83bf5cb 100644
--- a/libsearch/dirwatcher/dir-watcher.h
+++ b/libsearch/dirwatcher/dir-watcher.h
@@ -1,89 +1,35 @@
 #ifndef MOUNTDISKLISTENER_H
 #define MOUNTDISKLISTENER_H
 
-#include "dir-watcher-adaptor.h"
-
 #include <QObject>
-#include <QStorageInfo>
-#include <QHash>
-#include <QDBusMessage>
-#include <QDBusObjectPath>
-#include <QMutex>
-#include <QSettings>
-#include <QDBusConnection>
+#include <QDBusInterface>
+#include <QDBusReply>
 
-#undef slots
-#undef signals
-#undef emit
-
-#include <gio/gio.h>
-#include <gio/gunixmounts.h>
 
 class DirWatcher : public QObject
 {
     Q_OBJECT
-
-    Q_CLASSINFO("D-Bus Interface","org.ukui.search.fileindex")
-
 public:
     static DirWatcher *getDirWatcher();
+
+public Q_SLOTS:
     void initDbusService();
-    QStringList currentindexableDir();
+
+    QStringList currentIndexableDir();
     QStringList currentBlackListOfIndex();
-    void appendBlackListItemOfIndex(const QString &path);
-    void appendBlackListItemOfIndex(const QStringList &pathList);
-    void removeBlackListItemOfIndex(const QString &path);
-    void removeBlackListItemOfIndex(const QStringList &pathList);
 
     QStringList currentSearchableDir();
     QStringList searchableDirForSearchApplication();
     QStringList blackListOfDir(const QString &dirPath);
 
-    static void mountAddCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis);
-    static void mountRemoveCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis);
-public Q_SLOTS:
     void appendIndexableListItem(const QString &path);
     void removeIndexableListItem(const QString &path);
 
-    void handleDisk();
-    void handleAddedUDiskDevice(QDBusMessage msg);
-    void handleRemovedUDiskDevice(QDBusMessage msg);
 private:
     DirWatcher(QObject *parent = nullptr);
-    ~DirWatcher();
-    void initData();
-    void initDiskWatcher();
+    ~DirWatcher() = default;
 
-    void handleIndexItemAppend(const QString &path, QStringList &blackList);
-    void handleIndexItemRemove(const QString &path);
-
-    static QMutex s_mutex;
-
-    GVolumeMonitor *m_volumeMonitor = nullptr;
-
-    DirWatcherAdaptor *m_adaptor = nullptr;
-
-    quint64 m_mountAddHandle;
-    quint64 m_mountRemoveHandle;
-
-    QSettings *m_qSettings = nullptr;
-    QStringList m_blackListOfIndex;
-    QStringList m_indexableDirList;
-
-    QStringList m_searchableDirList;
-    QStringList m_searchableListForApplication;
-    QStringList m_autoMountList;
-    QMultiMap<QString, QString> m_infoOfSubvolume;
-    QMap<QString, QStringList> m_currentMountedDeviceInfo;
-    QMap<QString, QStringList> m_repeatedlyMountedDeviceInfo;
-
-    QStringList m_addedUDiskDeviceList;
-    QString m_removedUDiskDevice;
-    QMap<QString, QStringList> m_currentUDiskDeviceInfo;
-Q_SIGNALS:
-    void udiskRemoved();
-    void appendIndexItem(const QString&, const QStringList&);
-    void removeIndexItem(const QString&);
+    QDBusInterface *m_dbusInterface = nullptr;
 };
 
 #endif // MOUNTDISKLISTENER_H
diff --git a/libsearch/dirwatcher/dirwatcher.pri b/libsearch/dirwatcher/dirwatcher.pri
index 9661b77..4558940 100644
--- a/libsearch/dirwatcher/dirwatcher.pri
+++ b/libsearch/dirwatcher/dirwatcher.pri
@@ -1,9 +1,7 @@
 INCLUDEPATH += $$PWD
 
 HEADERS += \
-    $$PWD/dir-watcher-adaptor.h \
     $$PWD/dir-watcher.h
 
 SOURCES += \
-    $$PWD/dir-watcher-adaptor.cpp \
     $$PWD/dir-watcher.cpp
diff --git a/libsearch/index/file-index-manager.cpp b/libsearch/index/file-index-manager.cpp
index 0a98fbf..219138f 100644
--- a/libsearch/index/file-index-manager.cpp
+++ b/libsearch/index/file-index-manager.cpp
@@ -54,13 +54,22 @@ void FileIndexManager::initIndexPathSetFunction()
         return;
     }
 
-    connect(DirWatcher::getDirWatcher(), &DirWatcher::appendIndexItem, this, &FileIndexManager::handleIndexPathAppend, Qt::QueuedConnection);
+    QDBusInterface *interface = new QDBusInterface("com.ukui.search.fileindex.service",
+                                                   "/org/ukui/search/privateDirWatcher",
+                                                   "org.ukui.search.fileindex");
+
+    if (interface->isValid()) {
+        connect(interface, SIGNAL(appendIndexItem(QString, QStringList)), this, SLOT(handleIndexPathAppend(QString, QStringList)), Qt::QueuedConnection);
+    }
+//    connect(DirWatcher::getDirWatcher(), &DirWatcher::appendIndexItem, this, &FileIndexManager::handleIndexPathAppend, Qt::QueuedConnection);
 
     DirWatcher::getDirWatcher()->initDbusService();
 }
 
 void FileIndexManager::handleIndexPathAppend(const QString path, const QStringList blockList)
 {
+    qDebug() << "I'm in handleIndexPathAppend";
+    qDebug() << "path" << path << "blockList" << blockList;
     if(!m_searchSettings->get(SEARCH_METHOD_KEY).toBool()) {
         m_searchSettings->set(SEARCH_METHOD_KEY, true);
     } else {
diff --git a/libsearch/index/first-index.cpp b/libsearch/index/first-index.cpp
index 9186a6f..2ae1720 100644
--- a/libsearch/index/first-index.cpp
+++ b/libsearch/index/first-index.cpp
@@ -147,7 +147,7 @@ void FirstIndex::run() {
             return;
         }
     } else {
-        setPath(DirWatcher::getDirWatcher()->currentindexableDir());
+        setPath(DirWatcher::getDirWatcher()->currentIndexableDir());
         setBlockPath(DirWatcher::getDirWatcher()->currentBlackListOfIndex());
     }
 
@@ -171,8 +171,11 @@ void FirstIndex::run() {
         mutex2.lock();
         //        mutex3.lock();
 
-        qInfo() << "index dir" << DirWatcher::getDirWatcher()->currentindexableDir();
-        qInfo() << "index block dir" << DirWatcher::getDirWatcher()->currentBlackListOfIndex();
+        //FIXME:在子进程里使用和父进程同样的dbus接口会出问题。
+//        qInfo() << "index dir" << DirWatcher::getDirWatcher()->currentIndexableDir();
+//        qInfo() << "index block dir" << DirWatcher::getDirWatcher()->currentBlackListOfIndex();
+        qInfo() << "index dir" << m_pathList;
+        qInfo() << "index block dir" << m_blockList;
         this->Traverse();
 
         FileUtils::maxIndexCount = this->m_indexData->length();
diff --git a/libsearch/index/inotify-watch.cpp b/libsearch/index/inotify-watch.cpp
index 83ca6fd..ed198f0 100644
--- a/libsearch/index/inotify-watch.cpp
+++ b/libsearch/index/inotify-watch.cpp
@@ -188,7 +188,7 @@ void InotifyWatch::run()
         }
     }
 
-    setPath(DirWatcher::getDirWatcher()->currentindexableDir());
+    setPath(DirWatcher::getDirWatcher()->currentIndexableDir());
     setBlockPath(DirWatcher::getDirWatcher()->currentBlackListOfIndex());
     firstTraverse();
 
diff --git a/ukui-search-service-dir-manager/conf/com.ukui.search.fileindex.service b/ukui-search-service-dir-manager/conf/com.ukui.search.fileindex.service
new file mode 100644
index 0000000..c5c5696
--- /dev/null
+++ b/ukui-search-service-dir-manager/conf/com.ukui.search.fileindex.service
@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=com.ukui.search.fileindex.service
+Exec=/usr/bin/ukui-search-service-dir-manager
diff --git a/ukui-search-service-dir-manager/dirwatcher/com.ukui.search.fileindex.server.xml b/ukui-search-service-dir-manager/dirwatcher/com.ukui.search.fileindex.server.xml
new file mode 100644
index 0000000..6ee254f
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/com.ukui.search.fileindex.server.xml
@@ -0,0 +1,11 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node>
+  <interface name="org.ukui.search.fileindex">
+    <method name="appendIndexableListItem">
+      <arg name="path" type="s" direction="in"/>
+    </method>
+    <method name="removeIndexableListItem">
+      <arg name="path" type="s" direction="in"/>
+    </method>
+  </interface>
+</node>
diff --git a/libsearch/dirwatcher/dir-watcher-adaptor.cpp b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-adaptor.cpp
similarity index 80%
rename from libsearch/dirwatcher/dir-watcher-adaptor.cpp
rename to ukui-search-service-dir-manager/dirwatcher/dir-watcher-adaptor.cpp
index 4bde5e4..953db27 100644
--- a/libsearch/dirwatcher/dir-watcher-adaptor.cpp
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-adaptor.cpp
@@ -1,6 +1,6 @@
 /*
  * This file was generated by qdbusxml2cpp version 0.8
- * Command line was: qdbusxml2cpp com.ukui.search.fileindex.server.xml -i dir-watcher.h -a valueAdaptor
+ * Command line was: qdbusxml2cpp com.ukui.search.fileindex.server.xml -a dir-watcher-adaptor
  *
  * qdbusxml2cpp is Copyright (C) 2020 The Qt Company Ltd.
  *
@@ -18,7 +18,7 @@
 #include <QtCore/QVariant>
 
 /*
- * Implementation of adaptor class DirWatcherAdaptor
+ * Implementation of adaptor class FileindexAdaptor
  */
 
 DirWatcherAdaptor::DirWatcherAdaptor(QObject *parent)
@@ -35,13 +35,13 @@ DirWatcherAdaptor::~DirWatcherAdaptor()
 
 void DirWatcherAdaptor::appendIndexableListItem(const QString &path)
 {
-    // handle method call org.ukui.search.fileindex.service.appendIndexableListItem
+    // handle method call org.ukui.search.fileindex.appendIndexableListItem
     QMetaObject::invokeMethod(parent(), "appendIndexableListItem", Q_ARG(QString, path));
 }
 
 void DirWatcherAdaptor::removeIndexableListItem(const QString &path)
 {
-    // handle method call org.ukui.search.fileindex.service.removeIndexableListItem
+    // handle method call org.ukui.search.fileindex.removeIndexableListItem
     QMetaObject::invokeMethod(parent(), "removeIndexableListItem", Q_ARG(QString, path));
 }
 
diff --git a/libsearch/dirwatcher/dir-watcher-adaptor.h b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-adaptor.h
similarity index 72%
rename from libsearch/dirwatcher/dir-watcher-adaptor.h
rename to ukui-search-service-dir-manager/dirwatcher/dir-watcher-adaptor.h
index 3e00a26..062a383 100644
--- a/libsearch/dirwatcher/dir-watcher-adaptor.h
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-adaptor.h
@@ -1,6 +1,6 @@
 /*
  * This file was generated by qdbusxml2cpp version 0.8
- * Command line was: qdbusxml2cpp com.ukui.search.fileindex.server.xml -i dir-watcher.h -a valueAdaptor
+ * Command line was: qdbusxml2cpp com.ukui.search.fileindex.server.xml -a dir-watcher-adaptor
  *
  * qdbusxml2cpp is Copyright (C) 2020 The Qt Company Ltd.
  *
@@ -9,8 +9,8 @@
  * before re-generating it.
  */
 
-#ifndef VALUEADAPTOR_H
-#define VALUEADAPTOR_H
+#ifndef DIR_WATCHER_ADAPTOR_H
+#define DIR_WATCHER_ADAPTOR_H
 
 #include <QtCore/QObject>
 #include <QtDBus/QtDBus>
@@ -31,14 +31,14 @@ class DirWatcherAdaptor: public QDBusAbstractAdaptor
     Q_OBJECT
     Q_CLASSINFO("D-Bus Interface", "org.ukui.search.fileindex")
     Q_CLASSINFO("D-Bus Introspection", ""
-"  <interface name=\"org.ukui.search.fileindex\">"
-"    <method name=\"appendIndexableListItem\">"
-"      <arg direction=\"in\" type=\"s\" name=\"path\"/>"
-"    </method>"
-"    <method name=\"removeIndexableListItem\">"
-"      <arg direction=\"in\" type=\"s\" name=\"path\"/>"
-"    </method>"
-"  </interface>"
+"  <interface name=\"org.ukui.search.fileindex\">\n"
+"    <method name=\"appendIndexableListItem\">\n"
+"      <arg direction=\"in\" type=\"s\" name=\"path\"/>\n"
+"    </method>\n"
+"    <method name=\"removeIndexableListItem\">\n"
+"      <arg direction=\"in\" type=\"s\" name=\"path\"/>\n"
+"    </method>\n"
+"  </interface>\n"
         "")
 public:
     DirWatcherAdaptor(QObject *parent);
diff --git a/ukui-search-service-dir-manager/dirwatcher/dir-watcher-dbus.pri b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-dbus.pri
new file mode 100644
index 0000000..9661b77
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-dbus.pri
@@ -0,0 +1,9 @@
+INCLUDEPATH += $$PWD
+
+HEADERS += \
+    $$PWD/dir-watcher-adaptor.h \
+    $$PWD/dir-watcher.h
+
+SOURCES += \
+    $$PWD/dir-watcher-adaptor.cpp \
+    $$PWD/dir-watcher.cpp
diff --git a/ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp
new file mode 100644
index 0000000..02e79c8
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp
@@ -0,0 +1,422 @@
+#include "dir-watcher.h"
+
+#include <QDebug>
+#include <QDir>
+#include <QDBusConnection>
+#include <QDBusArgument>
+#include <QThread>
+#include <fstab.h>
+#include <QMutexLocker>
+
+#define CURRENT_INDEXABLE_DIR_SETTINGS QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search-current-indexable-dir.conf"
+#define INDEXABLE_DIR_VALUE "IndexableDir"
+
+static std::once_flag flag;
+static DirWatcher *global_intance = nullptr;
+QMutex DirWatcher::s_mutex;
+
+DirWatcher::DirWatcher(QObject *parent) : QObject(parent)
+{
+    m_qSettings = new QSettings(CURRENT_INDEXABLE_DIR_SETTINGS, QSettings::IniFormat);
+    initData();
+    initDiskWatcher();
+    m_adaptor = new DirWatcherAdaptor(this);
+}
+
+DirWatcher::~DirWatcher()
+{
+    if (m_volumeMonitor) {
+        g_signal_handler_disconnect(m_volumeMonitor, m_mountAddHandle);
+        g_signal_handler_disconnect(m_volumeMonitor, m_mountRemoveHandle);
+        m_volumeMonitor = nullptr;
+    }
+    if(m_qSettings){
+        delete m_qSettings;
+    }
+}
+
+DirWatcher *DirWatcher::getDirWatcher()
+{
+    std::call_once(flag, [ & ] {
+        global_intance = new DirWatcher();
+    });
+    return global_intance;
+}
+
+QStringList DirWatcher::currentIndexableDir()
+{
+    QMutexLocker locker(&s_mutex);
+    m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
+    m_indexableDirList = m_qSettings->value(INDEXABLE_DIR_VALUE).toStringList();
+    m_qSettings->endGroup();
+    QStringList indexableDirs = m_indexableDirList;
+    return indexableDirs;
+}
+
+QStringList DirWatcher::currentBlackListOfIndex()
+{
+    QMutexLocker locker(&s_mutex);
+    QStringList blackListOfIndex = m_blackListOfIndex;
+    return blackListOfIndex;
+}
+
+void DirWatcher::handleIndexItemAppend(const QString &path, QStringList &blackList)
+{
+    if (m_indexableDirList.contains(path)) {
+        qDebug() << QString("index path %1 is already added.").arg(path);
+        return;
+    }
+    m_indexableDirList << path;
+    m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
+    m_qSettings->setValue(INDEXABLE_DIR_VALUE, m_indexableDirList);
+    m_qSettings->endGroup();
+    Q_EMIT this->appendIndexItem(path, blackList);
+    qDebug() << "index path:" << path << "blacklist:" << blackList;
+}
+
+void DirWatcher::handleIndexItemRemove(const QString &path)
+{
+    m_indexableDirList.removeAll(path);
+    m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
+    m_qSettings->setValue(INDEXABLE_DIR_VALUE, m_indexableDirList);
+    m_qSettings->endGroup();
+}
+
+/**
+ * @brief DirWatcher::blackListOfDir 根据传入目录返回当前目录下的所有不可搜索目录，没有则返回空列表
+ * @param dirPath 要搜索的目录
+ */
+QStringList DirWatcher::blackListOfDir(const QString &dirPath)
+{
+    //new TODO: Optimize the search algorithm.
+    //There is no processing for the subvolumes.May be a bug.
+    QStringList blackListOfDir;
+    QMutexLocker locker(&s_mutex);
+    for (auto t = m_repeatedlyMountedDeviceInfo.constBegin(); t != m_repeatedlyMountedDeviceInfo.constEnd(); t++) {
+        QString topRepeatedMountPoint;
+        for (QString mountPoint: t.value()) {
+            if (mountPoint.startsWith(dirPath)) {
+                if (topRepeatedMountPoint.isEmpty()) {
+                    topRepeatedMountPoint = mountPoint;
+                    continue;
+                } else if (topRepeatedMountPoint.startsWith(mountPoint)) {
+                    blackListOfDir.append(topRepeatedMountPoint);
+                    topRepeatedMountPoint = mountPoint;
+                } else {
+                    blackListOfDir.append(mountPoint);
+                }
+            }
+        }
+    }
+    for (auto i = m_infoOfSubvolume.constBegin(); i != m_infoOfSubvolume.constEnd(); i++) {
+        QString mountPoint = i.value();
+        QString spec = i.key();
+        //排除搜索列表指定多个目录时子卷会重复包含的情况，比如同时指定/home和/data/home
+        QString tmp = dirPath;
+        if (dirPath.startsWith(mountPoint)) {
+            blackListOfDir.append(tmp.replace(0, mountPoint.length(), spec));
+        }
+        if (dirPath.startsWith(spec)) {
+            blackListOfDir.append(tmp.replace(0, spec.length(), mountPoint));
+        }
+    }
+    return blackListOfDir;
+}
+
+void DirWatcher::appendBlackListItemOfIndex(const QString &path)
+{
+    QMutexLocker locker(&s_mutex);
+    m_blackListOfIndex.append(path);
+    m_blackListOfIndex = m_blackListOfIndex.toSet().toList();
+}
+
+void DirWatcher::appendBlackListItemOfIndex(const QStringList &pathList)
+{
+    QMutexLocker locker(&s_mutex);
+    m_blackListOfIndex.append(pathList);
+    m_blackListOfIndex = m_blackListOfIndex.toSet().toList();
+}
+
+void DirWatcher::removeBlackListItemOfIndex(const QString &path)
+{
+    QMutexLocker locker(&s_mutex);
+    m_blackListOfIndex.removeAll(path);
+}
+
+void DirWatcher::removeBlackListItemOfIndex(const QStringList &pathList)
+{
+    QMutexLocker locker(&s_mutex);
+    for (QString path: pathList) {
+        m_blackListOfIndex.removeAll(path);
+    }
+}
+
+void DirWatcher::initDbusService()
+{
+    QDBusConnection sessionBus = QDBusConnection::sessionBus();
+    if (!sessionBus.registerObject("/org/ukui/search/fileindex", this, QDBusConnection::ExportAdaptors)){
+        qWarning() << "ukui-search-fileindex dbus register object failed reason:" << sessionBus.lastError();
+    }
+}
+
+QStringList DirWatcher::currentSearchableDir()
+{
+    QMutexLocker locker(&s_mutex);
+    return m_searchableDirList;
+}
+
+QStringList DirWatcher::searchableDirForSearchApplication()
+{
+    QMutexLocker locker(&s_mutex);
+    return m_searchableListForApplication;
+}
+
+void DirWatcher::mountAddCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis)
+{
+    qDebug() << "Mount Added";
+    pThis->handleDisk();
+}
+
+void DirWatcher::mountRemoveCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis)
+{
+    qDebug() << "Mount Removed";
+    QMutexLocker locker(&s_mutex);
+    //处理u盘设备
+    if (pThis->m_removedUDiskDevice != NULL) {
+        pThis->m_currentUDiskDeviceInfo.remove(pThis->m_removedUDiskDevice);
+        qDebug() << "m_currentMountedDeviceInfo:" << pThis->m_currentMountedDeviceInfo;
+        qDebug() << "m_repeatedlyMountedDeviceInfo:" << pThis->m_repeatedlyMountedDeviceInfo;
+        qDebug() << "m_currentUDiskDeviceInfo:" << pThis->m_currentUDiskDeviceInfo;
+        qDebug() << "m_blackListOfIndex:" << pThis->m_blackListOfIndex;
+        pThis->m_removedUDiskDevice = "";
+        return;
+    }
+
+    GMount* mount = (GMount*)g_object_ref(gmount);
+    GFile* rootFile;
+    rootFile = g_mount_get_root(mount);
+    if (!rootFile) {
+        return;
+    }
+    QString mountPoint = g_file_get_uri(rootFile);
+    if (mountPoint.isEmpty()) {
+        return;
+    }
+    //处理uri转码,处理子卷情况
+    if (mountPoint.startsWith("file:///")) {
+        QString removedMountPoint = g_filename_from_uri(mountPoint.toUtf8().constData(), nullptr, nullptr);
+        pThis->m_blackListOfIndex.removeAll(removedMountPoint);
+        for (auto t = pThis->m_infoOfSubvolume.constBegin(); t != pThis->m_infoOfSubvolume.constEnd(); t++) {
+            if (removedMountPoint.startsWith(t.value())) {
+                pThis->m_blackListOfIndex.removeAll(removedMountPoint.replace(t.value(), t.key()));
+            }
+            if (removedMountPoint.startsWith(t.key())) {
+                pThis->m_blackListOfIndex.removeAll(removedMountPoint.replace(t.key(), t.value()));
+            }
+        }
+        qDebug() << "m_currentMountedDeviceInfo:" << pThis->m_currentMountedDeviceInfo;
+        qDebug() << "m_repeatedlyMountedDeviceInfo:" << pThis->m_repeatedlyMountedDeviceInfo;
+        qDebug() << "m_currentUDiskDeviceInfo:" << pThis->m_currentUDiskDeviceInfo;
+        qDebug() << "m_blackListOfIndex:" << pThis->m_blackListOfIndex;
+    } else {
+        qWarning() << "There's someting wrong with the MountPoint!";
+    }
+    g_object_unref(rootFile);
+}
+
+void DirWatcher::appendIndexableListItem(const QString &path)
+{
+    QFile file(path);
+    if (!file.exists()) {
+        qWarning() << QString("target path:%1 is not exists!").arg(path);
+        return;
+    }
+    if (path == "/") {
+        this->currentIndexableDir();
+        this->handleIndexItemAppend(path, m_blackListOfIndex);
+        return;
+    }
+
+    QStringList blackList = this->blackListOfDir(path);
+    //处理要添加索引的路径与索引黑名单中路径为父子关系的情况
+    for (const QString& blackListPath : m_blackListOfIndex) {
+        if (path.startsWith(blackListPath + "/")) {
+            return;
+        }
+        if (blackListPath.startsWith(path + "/")) {
+            blackList.append(blackListPath);
+        }
+    }
+
+    this->currentIndexableDir();
+    qDebug() << "current indexable dirs:" << m_indexableDirList;
+    //处理要添加索引的路径与已索引路径为父子关系的情况
+    for (int i = 0; i < m_indexableDirList.length(); i++) {
+        const QString indexablePath = m_indexableDirList.at(i);
+        if (path.startsWith(indexablePath + "/")) {
+            qCritical() << QString("The parent of the path:%1 has been added.").arg(path);
+            return;
+        }
+        if (blackList.contains(indexablePath)) {
+            qCritical() << "current path is in repeat mounted devices and another path which is in the device that has the same dev num has been added to the indexable list.";
+            return;
+        }
+        if (indexablePath.startsWith(path + "/")) {
+            m_indexableDirList.removeAll(indexablePath);
+            blackList.append(indexablePath);
+        }
+    }
+    this->handleIndexItemAppend(path, blackList);
+}
+
+void DirWatcher::removeIndexableListItem(const QString &path)
+{
+    this->currentIndexableDir();
+    this->handleIndexItemRemove(path);
+    Q_EMIT this->removeIndexItem(path);
+}
+
+void DirWatcher::initData()
+{
+    //适配需求，可索引目录为用户指定。
+//    m_indexableDirList << "/data" << QDir::homePath();
+    /* boot里面存放Linux核心文件，开机选单与开机所需配置文件等
+     * backup里面是系统备份文件
+     * bin放置的是在单人维护模式下还能够被操作的指令，在bin底下的指令可以被root与一般账号所使用。
+     * dev里面存放设备文件
+     * etc里面存放了几乎所有的系统主要配置文件，包括人员的账号密码文件，各种服务的起始档等
+     * lib放置最基本的共享库和内核模块，lib32，lib64，libx32分别面向32位，64位以及x32 ABI。他们都分别连接到usr下的lib*中
+     * media一般放置可移除的装置，包括软盘，光盘和一些移动存储设备都自动挂载到这里
+     * mnt原本和media用途相同，现用来放置暂时挂载一些额外装置
+     * usr是Unix操作系统软件资源所放置的目录,所有系统默认的软件(distribution发布者提供的软件)都会放置到usr底下
+     * var目录主要针对常态性变动的文件，包括缓存(cache)、登录档(log file)以及某些软件运作所产生的文件，包括程序文件(lock file, run file)，或者如MySQL数据库的文件等
+     */
+    m_blackListOfIndex << "/boot" << "backup" << "bin" << "/dev" << "/etc" << "/usr" << "/var"
+                       << "/lib" << "lib32" << "lib64" << "libx32" << "/media" << "/mnt" << "cdrom"
+                       << "/sys" << "/proc" << "tmp" << "/srv" << "/sbin" << "/run" << "/opt";
+
+    //目前方案：可搜索目录（服务）默认根目录，可搜索目录（应用）默认家目录和/data目录
+    m_searchableListForApplication << "/data" << QDir::homePath();
+    m_searchableDirList << "/";
+
+    //init auto mounted device list
+    setfsent();
+    while (1) {
+        fstab *myFstab = getfsent();
+        if (!myFstab) {
+            endfsent();
+            break;
+        }
+        QString automaticMountPoint = myFstab->fs_file;
+        QString spec = myFstab->fs_spec;
+
+        //目前只索引data和home，因此只存这两个文件夹下的挂载点
+        if (automaticMountPoint.contains("/data") || automaticMountPoint.contains("/home")) {
+            m_autoMountList.append(automaticMountPoint);
+        }
+        if (!spec.startsWith("UUID")) {
+            m_infoOfSubvolume.insert(spec, automaticMountPoint);
+        }
+    }
+
+    //init disk data, refresh the black list
+    handleDisk();
+}
+
+void DirWatcher::initDiskWatcher()
+{
+    //use Dbus to monitor the hot plug of Udisk.
+
+
+    QDBusConnection dbc = QDBusConnection::systemBus();
+
+    qDebug() << dbc.connect("org.freedesktop.UDisks2",
+                                                     "/org/freedesktop/UDisks2",
+                                                     "org.freedesktop.DBus.ObjectManager",
+                                                     "InterfacesAdded",
+                                                     this, SLOT(handleAddedUDiskDevice(QDBusMessage)));
+    qDebug() << dbc.lastError();
+    qDebug() << dbc.connect("org.freedesktop.UDisks2",
+                                                     "/org/freedesktop/UDisks2",
+                                                     "org.freedesktop.DBus.ObjectManager",
+                                                     "InterfacesRemoved",
+                                                     this, SLOT(handleRemovedUDiskDevice(QDBusMessage)));
+
+    m_volumeMonitor = g_volume_monitor_get();
+    if (!m_volumeMonitor) {
+        return;
+    }
+    m_mountAddHandle = g_signal_connect(m_volumeMonitor, "mount-added", G_CALLBACK(mountAddCallback), this);
+    m_mountRemoveHandle = g_signal_connect(m_volumeMonitor, "mount-removed", G_CALLBACK(mountRemoveCallback), this);
+}
+
+void DirWatcher::handleDisk()
+{
+    //init current mounted device info
+    QMutexLocker locker(&s_mutex);
+    m_currentMountedDeviceInfo.clear();
+    for (QStorageInfo &storage: QStorageInfo::mountedVolumes()) {
+        if (storage.isValid() && storage.isReady() && QString(storage.device()).contains(QRegExp("/sd[a-z][1-9]"))) {
+            m_currentMountedDeviceInfo[storage.device()].append(storage.rootPath());
+
+            if (m_currentMountedDeviceInfo.value(storage.device()).length() > 1) {
+                m_repeatedlyMountedDeviceInfo.insert(storage.device(), m_currentMountedDeviceInfo.value(storage.device()));
+            }
+            if (storage.rootPath().startsWith("/data") || storage.rootPath().startsWith("/home")) {
+                m_blackListOfIndex.append(storage.rootPath());
+            }
+        }
+    }
+
+    //init udisk info
+    if (!m_addedUDiskDeviceList.isEmpty()) {
+        for (QString addedUDiskDevice: m_addedUDiskDeviceList) {
+            m_currentUDiskDeviceInfo.insert(addedUDiskDevice, m_currentMountedDeviceInfo.value("/dev/" + addedUDiskDevice));
+        }
+    }
+
+    //将u盘设备在/data和/home下的所有挂载点添加到索引黑名单
+    if (!m_currentUDiskDeviceInfo.isEmpty()) {
+        for (auto t = m_currentUDiskDeviceInfo.constBegin(); t != m_currentUDiskDeviceInfo.constEnd(); t++) {
+            for (QString udiskDevice: t.value()) {
+                if (udiskDevice.startsWith("/data") || udiskDevice.startsWith("/home")) {
+                    m_blackListOfIndex.append(udiskDevice);
+                }
+            }
+        }
+    }
+
+    //从黑名单中移除所有自动挂载设备（目前只包含自动挂载到/data和/home目录下的设备）
+    for (QString autoMountDevice: m_autoMountList) {
+        m_blackListOfIndex.removeAll(autoMountDevice);
+    }
+    m_blackListOfIndex.removeDuplicates();
+
+    qDebug() << "autoMountList:" << m_autoMountList;
+    qDebug() << "m_currentMountedDeviceInfo:" << m_currentMountedDeviceInfo;
+    qDebug() << "m_repeatedlyMountedDeviceInfo:" << m_repeatedlyMountedDeviceInfo;
+    qDebug() << "m_currentUDiskDeviceInfo:" << m_currentUDiskDeviceInfo;
+    qDebug() << "m_blackListOfIndex:" << m_blackListOfIndex;
+
+}
+
+void DirWatcher::handleAddedUDiskDevice(QDBusMessage msg)
+{
+    QDBusObjectPath objPath = msg.arguments().at(0).value<QDBusObjectPath>();
+    if (objPath.path().contains(QRegExp("/sd[a-z][1-9]"))) {
+        QMutexLocker locker(&s_mutex);
+        m_addedUDiskDeviceList.append(objPath.path().section("/",-1));
+        qDebug() << "Add Udisk:" << m_addedUDiskDeviceList;
+    }
+}
+
+void DirWatcher::handleRemovedUDiskDevice(QDBusMessage msg)
+{
+    Q_EMIT this->udiskRemoved();
+    QDBusObjectPath objPath = msg.arguments().at(0).value<QDBusObjectPath>();
+    if (objPath.path().contains(QRegExp("/sd[a-z][1-9]"))) {
+        QMutexLocker locker(&s_mutex);
+        m_removedUDiskDevice = objPath.path().section("/",-1);
+        m_addedUDiskDeviceList.removeAll(m_removedUDiskDevice);
+    }
+}
diff --git a/ukui-search-service-dir-manager/dirwatcher/dir-watcher.h b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.h
new file mode 100644
index 0000000..73fa234
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.h
@@ -0,0 +1,96 @@
+#ifndef MOUNTDISKLISTENER_H
+#define MOUNTDISKLISTENER_H
+
+#include "dir-watcher-adaptor.h"
+
+#include <QObject>
+#include <QStorageInfo>
+#include <QHash>
+#include <QDBusMessage>
+#include <QDBusObjectPath>
+#include <QMutex>
+#include <QSettings>
+#include <QDBusConnection>
+#include <QDBusInterface>
+#include <QDBusReply>
+
+#undef slots
+#undef signals
+#undef emit
+
+#include <gio/gio.h>
+#include <gio/gunixmounts.h>
+
+class DirWatcher : public QObject
+{
+    Q_OBJECT
+
+    Q_CLASSINFO("D-Bus Interface","org.ukui.search.fileindex")
+
+public:
+    static DirWatcher *getDirWatcher();
+    static void mountAddCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis);
+    static void mountRemoveCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis);
+
+    void appendBlackListItemOfIndex(const QString &path);
+    void appendBlackListItemOfIndex(const QStringList &pathList);
+    void removeBlackListItemOfIndex(const QString &path);
+    void removeBlackListItemOfIndex(const QStringList &pathList);
+
+public Q_SLOTS:
+
+    void initDbusService();
+
+    QStringList currentIndexableDir();
+    QStringList currentBlackListOfIndex();
+
+    QStringList currentSearchableDir();
+    QStringList searchableDirForSearchApplication();
+    QStringList blackListOfDir(const QString &dirPath);
+
+    Q_SCRIPTABLE void appendIndexableListItem(const QString &path);
+    Q_SCRIPTABLE void removeIndexableListItem(const QString &path);
+
+private:
+    DirWatcher(QObject *parent = nullptr);
+    ~DirWatcher();
+    void initData();
+    void initDiskWatcher();
+
+    void handleDisk();
+    void handleAddedUDiskDevice(QDBusMessage msg);
+    void handleRemovedUDiskDevice(QDBusMessage msg);
+
+    void handleIndexItemAppend(const QString &path, QStringList &blackList);
+    void handleIndexItemRemove(const QString &path);
+
+    static QMutex s_mutex;
+
+    DirWatcherAdaptor *m_adaptor = nullptr;
+
+    GVolumeMonitor *m_volumeMonitor = nullptr;
+    quint64 m_mountAddHandle;
+    quint64 m_mountRemoveHandle;
+
+    QSettings *m_qSettings = nullptr;
+    QStringList m_blackListOfIndex;
+    QStringList m_indexableDirList;
+
+    QStringList m_searchableDirList;
+    QStringList m_searchableListForApplication;
+    QStringList m_autoMountList;
+    QMultiMap<QString, QString> m_infoOfSubvolume;
+    QMap<QString, QStringList> m_currentMountedDeviceInfo;
+    QMap<QString, QStringList> m_repeatedlyMountedDeviceInfo;
+
+    QStringList m_addedUDiskDeviceList;
+    QString m_removedUDiskDevice;
+    QMap<QString, QStringList> m_currentUDiskDeviceInfo;
+Q_SIGNALS:
+    void udiskRemoved();
+    void appendIndexItem(const QString&, const QStringList&);
+    void removeIndexItem(const QString&);
+};
+
+#endif // MOUNTDISKLISTENER_H
+
diff --git a/ukui-search-service-dir-manager/main.cpp b/ukui-search-service-dir-manager/main.cpp
new file mode 100644
index 0000000..89cdd05
--- /dev/null
+++ b/ukui-search-service-dir-manager/main.cpp
@@ -0,0 +1,109 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * Copyright (C) 2019 Tianjin KYLIN Information Technology 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+#include <QCoreApplication>
+#include <QTime>
+#include <QFile>
+#include <QStandardPaths>
+#include <QDir>
+#include <syslog.h>
+#include <unistd.h>
+#include <QDebug>
+#include "ukui-search-dir-manager-dbus.h"
+void messageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
+{
+    QByteArray localMsg = msg.toLocal8Bit();
+    QByteArray currentTime = QTime::currentTime().toString().toLocal8Bit();
+
+    bool showDebug = true;
+    QString logFilePath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation) + "/.config/org.ukui/ukui-search-service-dir-manager.log";
+    if (!QFile::exists(logFilePath)) {
+        showDebug = false;
+    }
+    FILE *log_file = nullptr;
+
+    if (showDebug) {
+        log_file = fopen(logFilePath.toLocal8Bit().constData(), "a+");
+    }
+
+    const char *file = context.file ? context.file : "";
+    const char *function = context.function ? context.function : "";
+    switch (type) {
+    case QtDebugMsg:
+        if (!log_file) {
+            break;
+        }
+        fprintf(log_file, "Debug: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtInfoMsg:
+        fprintf(log_file? log_file: stdout, "Info: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtWarningMsg:
+        fprintf(log_file? log_file: stderr, "Warning: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtCriticalMsg:
+        fprintf(log_file? log_file: stderr, "Critical: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    case QtFatalMsg:
+        fprintf(log_file? log_file: stderr, "Fatal: %s: %s (%s:%u, %s)\n", currentTime.constData(), localMsg.constData(), file, context.line, function);
+        break;
+    }
+
+    if (log_file)
+        fclose(log_file);
+}
+
+int main(int argc, char *argv[])
+{
+    char *p_home = NULL;
+    unsigned int i = 0;
+    while(p_home == NULL) {
+        ::sleep(1);
+        ++i;
+        p_home = getenv("HOME");
+        if(i % 5 == 0) {
+            qWarning() << "I can't find home! I'm done here!!";
+            printf("I can't find home! I'm done here!!");
+            syslog(LOG_ERR, "I can't find home! I'm done here!!\n");
+        }
+    }
+    p_home = NULL;
+    while(!QDir(QDir::homePath()).exists()) {
+        qWarning() << "Home is not exits!!";
+        printf("Home is not exits!!");
+        syslog(LOG_ERR, "Home is not exits!!\n");
+        ::sleep(1);
+    }
+
+    // Output log to file
+    qInstallMessageHandler(messageOutput);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+#endif
+    UkuiSearchDirManagerDbus dirDbus(argc, argv, "ukui-search-service-dir-manager");
+
+    if (dirDbus.isRunning()) {
+        return 0;
+    }
+    return dirDbus.exec();
+}
diff --git a/ukui-search-service-dir-manager/ukui-search-dir-manager-dbus.cpp b/ukui-search-service-dir-manager/ukui-search-dir-manager-dbus.cpp
new file mode 100644
index 0000000..ca327e0
--- /dev/null
+++ b/ukui-search-service-dir-manager/ukui-search-dir-manager-dbus.cpp
@@ -0,0 +1,59 @@
+#include "ukui-search-dir-manager-dbus.h"
+#include "dir-watcher.h"
+
+#include <QDBusConnection>
+#include <QDBusError>
+#include <QDebug>
+
+UkuiSearchDirManagerDbus::UkuiSearchDirManagerDbus(int &argc, char *argv[], const QString &applicationName) : QtSingleApplication (applicationName, argc, argv)
+{
+    setQuitOnLastWindowClosed(false);
+    setApplicationVersion(QString("v%1").arg(VERSION));
+
+    if (!this->isRunning()) {
+        qDebug() << "I'm in dir manager dbus rigister";
+        QDBusConnection sessionBus = QDBusConnection::sessionBus();
+        if(!sessionBus.registerService("com.ukui.search.fileindex.service")) {
+            qCritical() << "QDbus register service failed reason:" << sessionBus.lastError();
+        }
+
+        if(!sessionBus.registerObject("/org/ukui/search/privateDirWatcher", DirWatcher::getDirWatcher(), QDBusConnection::ExportNonScriptableSlots | QDBusConnection::ExportAllSignals)) {
+            qCritical() << "ukui-search-fileindex dbus register object failed reason:" << sessionBus.lastError();
+        }
+
+        connect(this, &QtSingleApplication::messageReceived, [=](QString msg) {
+            this->parseCmd(msg, true);
+        });
+    } else {
+        qWarning() << "Ukui search dir manager is running!";
+    }
+    //parse cmd
+    qDebug()<<"parse cmd";
+    auto message = this->arguments().join(' ').toUtf8();
+    parseCmd(message, !isRunning());
+}
+
+void UkuiSearchDirManagerDbus::parseCmd(QString msg, bool isPrimary)
+{
+    QCommandLineParser parser;
+
+    parser.addHelpOption();
+    parser.addVersionOption();
+
+    QCommandLineOption quitOption(QStringList()<<"q"<<"quit", tr("Quit DBus service"));
+    parser.addOption(quitOption);
+
+     if (isPrimary) {
+         if (parser.isSet(quitOption)) {
+             qApp->quit();
+             return;
+         }
+     } else {
+         if (arguments().count() < 2) {
+             parser.showHelp();
+         }
+         parser.process(arguments());
+         sendMessage(msg);
+     }
+
+}
diff --git a/ukui-search-service-dir-manager/ukui-search-dir-manager-dbus.h b/ukui-search-service-dir-manager/ukui-search-dir-manager-dbus.h
new file mode 100644
index 0000000..d8f7f96
--- /dev/null
+++ b/ukui-search-service-dir-manager/ukui-search-dir-manager-dbus.h
@@ -0,0 +1,15 @@
+#ifndef UKUISEARCHDIRWATCHERDBUS_H
+#define UKUISEARCHDIRWATCHERDBUS_H
+
+#include "qtsingleapplication.h"
+
+class UkuiSearchDirManagerDbus : public QtSingleApplication
+{
+    Q_OBJECT
+public:
+    UkuiSearchDirManagerDbus(int &argc, char *argv[], const QString &applicationName = "ukui-search-service-dir-manager");
+protected Q_SLOTS:
+    void parseCmd(QString msg, bool isPrimary);
+};
+
+#endif // UKUISEARCHDIRWATCHERDBUS_H
diff --git a/ukui-search-service-dir-manager/ukui-search-service-dir-manager.pro b/ukui-search-service-dir-manager/ukui-search-service-dir-manager.pro
new file mode 100644
index 0000000..7e1f308
--- /dev/null
+++ b/ukui-search-service-dir-manager/ukui-search-service-dir-manager.pro
@@ -0,0 +1,45 @@
+QT       += core dbus
+QT       -= gui
+
+TARGET = ukui-search-service-dir-manager
+VERSION = 1.0.0
+DEFINES += VERSION='\\"$${VERSION}\\"'
+TEMPLATE = app
+
+CONFIG += c++11 link_pkgconfig
+#CONFIG -= app_bundle
+PKGCONFIG += gio-2.0 gio-unix-2.0
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+include(dirwatcher/dir-watcher-dbus.pri)
+include(../3rd-parties/qtsingleapplication/qtsingleapplication.pri)
+
+inst1.files += conf/com.ukui.search.fileindex.service
+inst1.path = /usr/share/dbus-1/services/
+
+target.source += $$TARGET
+target.path = /usr/bin
+INSTALLS += \
+    target \
+    inst1
+
+desktop.path = /etc/xdg/autostart
+desktop.files += ../data/ukui-search-service-dir-manager.desktop
+INSTALLS += desktop
+
+SOURCES += \
+        main.cpp \
+        ukui-search-dir-manager-dbus.cpp
+
+HEADERS += \
+    ukui-search-dir-manager-dbus.h
diff --git a/ukui-search-service/ukui-search-service.cpp b/ukui-search-service/ukui-search-service.cpp
index 0d1b9f6..f1d4abd 100644
--- a/ukui-search-service/ukui-search-service.cpp
+++ b/ukui-search-service/ukui-search-service.cpp
@@ -1,7 +1,6 @@
 #include <QDebug>
 #include "ukui-search-service.h"
 #include "dir-watcher.h"
-#include "dir-watcher-adaptor.h"
 #include "common.h"
 #include <QDBusConnection>
 
@@ -16,7 +15,7 @@ UkuiSearchService::UkuiSearchService(int &argc, char *argv[], const QString &app
         connect(this, &QtSingleApplication::messageReceived, [=](QString msg) {
             this->parseCmd(msg, true);
         });
-
+        DirWatcher::getDirWatcher();
         initGsettings();
         FileIndexManager::getInstance()->initIndexPathSetFunction();
     }
diff --git a/ukui-search.pro b/ukui-search.pro
index 508dbfb..31b885b 100644
--- a/ukui-search.pro
+++ b/ukui-search.pro
@@ -5,7 +5,8 @@ SUBDIRS += $$PWD/libchinese-segmentation \
            $$PWD/ukuisearch-systemdbus \
            $$PWD/search-ukcc-plugin \
            $$PWD/ukui-search-service \
-           ukui-search-app-data-service
+           $$PWD/ukui-search-app-data-service \
+           $$PWD/ukui-search-service-dir-manager
 # The following define makes your compiler emit warnings if you use
 # any Qt feature that has been marked deprecated (the exact warnings
 # depend on your compiler). Please consult the documentation of the