diff --git a/data/org.ukui.search.data.gschema.xml b/data/org.ukui.search.data.gschema.xml
new file mode 100644
index 0000000..2494b22
--- /dev/null
+++ b/data/org.ukui.search.data.gschema.xml
@@ -0,0 +1,9 @@
+<schemalist gettext-domain="ukui-search">
+    <schema id="org.ukui.search.settings" path="/org/ukui/ukui-search/settings/">
+        <key name="index-search" type="b">
+            <default>false</default>
+            <summary>search method</summary>
+            <description>Is current search-method index-search.</description>
+        </key>
+    </schema>
+</schemalist>
diff --git a/libsearch/file-utils.cpp b/libsearch/file-utils.cpp
index 6c89018..91944e1 100644
--- a/libsearch/file-utils.cpp
+++ b/libsearch/file-utils.cpp
@@ -25,6 +25,7 @@
 size_t FileUtils::_max_index_count = 0;
 size_t FileUtils::_current_index_count = 0;
 unsigned short FileUtils::_index_status = 0;
+FileUtils::SearchMethod FileUtils::searchMethod = FileUtils::SearchMethod::DIRECTSEARCH;
 QMap<QString, QStringList> FileUtils::map_chinese2pinyin = QMap<QString, QStringList>();
 
 FileUtils::FileUtils()
diff --git a/libsearch/file-utils.h b/libsearch/file-utils.h
index 223be43..77c2808 100644
--- a/libsearch/file-utils.h
+++ b/libsearch/file-utils.h
@@ -88,8 +88,8 @@ public:
     static size_t _current_index_count; //this one has been Abandoned,do not use it.
     static unsigned short _index_status;
 
-//    enum class SearchMethod{ DIRECTSEARCH = 0, INDEXSEARCH = 1};
-//    static SearchMethod searchMethod = FileUtils::SearchMethod::DIRECTSEARCH;
+    enum class SearchMethod{ DIRECTSEARCH = 0, INDEXSEARCH = 1};
+    static SearchMethod searchMethod;
 
 private:
     FileUtils();
diff --git a/libsearch/global-settings.cpp b/libsearch/global-settings.cpp
index 34b7176..318f3e3 100644
--- a/libsearch/global-settings.cpp
+++ b/libsearch/global-settings.cpp
@@ -268,14 +268,14 @@ void GlobalSettings::setValue(const QString &key, const QVariant &value)
     //     m_settings->sync();
     QtConcurrent::run([=]() {
         //        qDebug()<<m_settings->status();
-        //        if (m_mutex.tryLock(1000)) {
+//                if (m_mutex.tryLock(1000)) {
         //        m_mutex.lock();
         m_settings->setValue(key, value);
         //            qDebug()<<"setvalue========finish!!!"<<key<<":"<<value;
         m_settings->sync();
         //            qDebug()<<"setvalue========sync!!!"<<key<<":"<<value;
-        //            m_mutex.unlock();
-        //        }
+//                    m_mutex.unlock();
+//                }
     });
 }
 
diff --git a/libsearch/global-settings.h b/libsearch/global-settings.h
index 87b9a61..404a1c2 100644
--- a/libsearch/global-settings.h
+++ b/libsearch/global-settings.h
@@ -44,6 +44,7 @@
 #define CONTENT_INDEX_DATABASE_STATE "content_index_database_state"
 #define INDEX_GENERATOR_NORMAL_EXIT "index_generator_normal_exit"
 #define INOTIFY_NORMAL_EXIT "inotify_normal_exit"
+#define ENABLE_CREATE_INDEX_ASK_DIALOG "enable_create_index_ask_dialog"
 #define WEB_ENGINE "web_engine"
 #define PATH_EMPTY 1;
 #define PATH_NOT_IN_HOME 2;
diff --git a/libsearch/index/first-index.cpp b/libsearch/index/first-index.cpp
index 878593b..984edd1 100644
--- a/libsearch/index/first-index.cpp
+++ b/libsearch/index/first-index.cpp
@@ -25,8 +25,52 @@
 #define NEW_QUEUE(a) a = new QQueue<QString>(); qDebug("---------------------------%s %s %s new at %d..",__FILE__,__FUNCTION__,#a,__LINE__);
 //#define DELETE_QUEUE(a )
 
-FirstIndex::FirstIndex(const QString& path) : Traverse_BFS(path)
+FirstIndex::FirstIndex()
 {
+}
+
+FirstIndex::~FirstIndex()
+{
+    qDebug() << "~FirstIndex";
+    if(this->q_index)
+        delete this->q_index;
+    this->q_index = nullptr;
+    if(this->q_content_index)
+        delete this->q_content_index;
+    this->q_content_index = nullptr;
+    if (this->p_indexGenerator)
+        delete this->p_indexGenerator;
+    this->p_indexGenerator = nullptr;
+    qDebug() << "~FirstIndex end";
+}
+
+void FirstIndex::DoSomething(const QFileInfo& fileInfo){
+//    qDebug() << "there are some shit here"<<fileInfo.fileName() << fileInfo.absoluteFilePath() << QString(fileInfo.isDir() ? "1" : "0");
+    this->q_index->enqueue(QVector<QString>() << fileInfo.fileName() << fileInfo.absoluteFilePath() << QString((fileInfo.isDir() && (!fileInfo.isSymLink())) ? "1" : "0"));
+    if ((fileInfo.fileName().split(".", QString::SkipEmptyParts).length() > 1) && (true == targetFileTypeMap[fileInfo.fileName().split(".").last()])){
+        this->q_content_index->enqueue(fileInfo.absoluteFilePath());
+    }
+}
+
+void FirstIndex::run(){
+    QTime t1 = QTime::currentTime();
+
+    // Create a fifo at ~/.config/org.ukui/ukui-search, the fifo is used to control the order of child processes' running.
+    QDir fifoDir = QDir(QDir::homePath()+"/.config/org.ukui/ukui-search");
+    if(!fifoDir.exists())
+        qDebug()<<"create fifo path"<<fifoDir.mkpath(fifoDir.absolutePath());
+
+    unlink(UKUI_SEARCH_PIPE_PATH);
+    int retval = mkfifo(UKUI_SEARCH_PIPE_PATH, 0777);
+    if(retval == -1)
+    {
+        qCritical()<<"creat fifo error!!";
+        syslog(LOG_ERR,"creat fifo error!!\n");
+        assert(false);
+        return;
+    }
+    qDebug()<<"create fifo success\n";
+
     QString indexDataBaseStatus =  GlobalSettings::getInstance()->getValue(INDEX_DATABASE_STATE).toString();
     QString contentIndexDataBaseStatus = GlobalSettings::getInstance()->getValue(CONTENT_INDEX_DATABASE_STATE).toString();
     QString inotifyIndexStatus = GlobalSettings::getInstance()->getValue(INOTIFY_NORMAL_EXIT).toString();
@@ -53,35 +97,6 @@ FirstIndex::FirstIndex(const QString& path) : Traverse_BFS(path)
     //this->q_content_index = new QQueue<QString>();
     NEW_QUEUE(this->q_content_index);
 //    this->mlm = new MessageListManager();
-}
-
-FirstIndex::~FirstIndex()
-{
-    qDebug() << "~FirstIndex";
-    if(this->q_index)
-        delete this->q_index;
-    this->q_index = nullptr;
-    if(this->q_content_index)
-        delete this->q_content_index;
-    this->q_content_index = nullptr;
-    if (this->p_indexGenerator)
-        delete this->p_indexGenerator;
-    this->p_indexGenerator = nullptr;
-    qDebug() << "~FirstIndex end";
-//    delete this->mlm;
-//    this->mlm = nullptr;
-}
-
-void FirstIndex::DoSomething(const QFileInfo& fileInfo){
-//    qDebug() << "there are some shit here"<<fileInfo.fileName() << fileInfo.absoluteFilePath() << QString(fileInfo.isDir() ? "1" : "0");
-    this->q_index->enqueue(QVector<QString>() << fileInfo.fileName() << fileInfo.absoluteFilePath() << QString((fileInfo.isDir() && (!fileInfo.isSymLink())) ? "1" : "0"));
-    if ((fileInfo.fileName().split(".", QString::SkipEmptyParts).length() > 1) && (true == targetFileTypeMap[fileInfo.fileName().split(".").last()])){
-        this->q_content_index->enqueue(fileInfo.absoluteFilePath());
-    }
-}
-
-void FirstIndex::run(){
-    QTime t1 = QTime::currentTime();
 
     int fifo_fd;
     char buffer[2];
@@ -189,7 +204,7 @@ void FirstIndex::run(){
         if (p_indexGenerator)
             delete p_indexGenerator;
         p_indexGenerator = nullptr;
-        GlobalSettings::getInstance()->forceSync();
+//        GlobalSettings::getInstance()->forceSync();
         ::_exit(0);
     }
     else if(pid < 0)
@@ -204,8 +219,8 @@ void FirstIndex::run(){
 
 
     GlobalSettings::getInstance()->setValue(INOTIFY_NORMAL_EXIT, "2");
-    int retval = write(fifo_fd, buffer, strlen(buffer));
-    if(retval == -1)
+    int retval1 = write(fifo_fd, buffer, strlen(buffer));
+    if(retval1 == -1)
     {
         qWarning("write error\n");
     }
diff --git a/libsearch/index/first-index.h b/libsearch/index/first-index.h
index 2d90ba9..5a19edb 100644
--- a/libsearch/index/first-index.h
+++ b/libsearch/index/first-index.h
@@ -34,6 +34,7 @@
 #include <fcntl.h>
 #include <sys/wait.h>
 #include <sys/prctl.h>
+#include <syslog.h>
 //#include <QtConcurrent>
 #include "traverse_bfs.h"
 #include "global-settings.h"
@@ -44,7 +45,7 @@
 class FirstIndex : public QThread, public Traverse_BFS
 {
 public:
-    FirstIndex(const QString&);
+    FirstIndex();
     ~FirstIndex();
     virtual void DoSomething(const QFileInfo &) final;
 protected:
diff --git a/libsearch/index/index.pri b/libsearch/index/index.pri
index 8d96cc7..9ae146d 100644
--- a/libsearch/index/index.pri
+++ b/libsearch/index/index.pri
@@ -8,6 +8,7 @@ HEADERS += \
     $$PWD/index-generator.h \
     $$PWD/inotify-index.h \
     $$PWD/search-manager.h \
+    $$PWD/searchmethodmanager.h \
     $$PWD/traverse_bfs.h \
     $$PWD/ukui-search-qdbus.h
 
@@ -19,6 +20,7 @@ SOURCES += \
     $$PWD/index-generator.cpp \
     $$PWD/inotify-index.cpp \
     $$PWD/search-manager.cpp \
+    $$PWD/searchmethodmanager.cpp \
     $$PWD/traverse_bfs.cpp \
     $$PWD/ukui-search-qdbus.cpp
 
diff --git a/libsearch/index/inotify-index.cpp b/libsearch/index/inotify-index.cpp
index fa7ae2b..2923fc8 100644
--- a/libsearch/index/inotify-index.cpp
+++ b/libsearch/index/inotify-index.cpp
@@ -53,17 +53,12 @@ InotifyIndex::InotifyIndex(const QString& path) : Traverse_BFS(path)
     usQDBus.setInotifyMaxUserWatches();
     qDebug() << "setInotifyMaxUserWatches end";
 
-    m_fd = inotify_init();
-    qDebug() << "m_fd----------->" <<m_fd;
-
-    this->AddWatch(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
-    this->setPath(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
-    this->firstTraverse();
 }
 
 InotifyIndex::~InotifyIndex()
 {
     IndexGenerator::getInstance()->~IndexGenerator();
+    qWarning() << "~InotifyIndex";
 }
 
 void InotifyIndex::firstTraverse(){
@@ -113,7 +108,7 @@ bool InotifyIndex::AddWatch(const QString &path){
     return true;
 }
 
-bool InotifyIndex::RemoveWatch(const QString &path){
+bool InotifyIndex::RemoveWatch(const QString &path,  bool removeFromDatabase){
     int ret = inotify_rm_watch(m_fd, currentPath.key(path));
     if (ret){
         qDebug() << "remove path error";
@@ -122,33 +117,60 @@ bool InotifyIndex::RemoveWatch(const QString &path){
 //    Q_ASSERT(ret == 0);
     assert(ret == 0);
 
-    for (QMap<int, QString>::Iterator i = currentPath.begin(); i != currentPath.end();){
-//        qDebug() << i.value();
-        if (i.value().length() > path.length()){
-//            if (i.value().mid(0, path.length()) == path){
-//            if (path.startsWith(i.value())){
-            if (i.value().startsWith(path)){
-                qDebug() << "remove path: " << i.value();
-                ret = inotify_rm_watch(m_fd, currentPath.key(path));
-                if (ret){
-                    qDebug() << "remove path error";
-//                    return false;
+    if (removeFromDatabase) {
+        for (QMap<int, QString>::Iterator i = currentPath.begin(); i != currentPath.end();) {
+    //        qDebug() << i.value();
+            if (i.value().length() > path.length()){
+    //            if (i.value().mid(0, path.length()) == path){
+    //            if (path.startsWith(i.value())){
+                if (i.value().startsWith(path)){
+                    qDebug() << "remove path: " << i.value();
+                    ret = inotify_rm_watch(m_fd, currentPath.key(path));
+                    if (ret){
+                        qDebug() << "remove path error";
+    //                    return false;
+                    }
+    //                assert(ret == 0);
+                    /*--------------------------------*/
+                    //在此调用删除索引
+                    qDebug() << i.value();
+                    IndexGenerator::getInstance()->deleteAllIndex(new QStringList(i.value()));
+                    /*--------------------------------*/
+                    currentPath.erase(i++);
+    //                i++;
+                }
+                else{
+                    i++;
                 }
-//                assert(ret == 0);
-                /*--------------------------------*/
-                //在此调用删除索引
-                qDebug() << i.value();
-                IndexGenerator::getInstance()->deleteAllIndex(new QStringList(i.value()));
-                /*--------------------------------*/
-                currentPath.erase(i++);
-//                i++;
             }
             else{
                 i++;
             }
         }
-        else{
-            i++;
+    } else {
+        for (QMap<int, QString>::Iterator i = currentPath.begin(); i != currentPath.end();) {
+    //        qDebug() << i.value();
+            if (i.value().length() > path.length()){
+    //            if (i.value().mid(0, path.length()) == path){
+    //            if (path.startsWith(i.value())){
+                if (i.value().startsWith(path)){
+                    qDebug() << "remove path: " << i.value();
+                    ret = inotify_rm_watch(m_fd, currentPath.key(path));
+                    if (ret){
+                        qDebug() << "remove path error";
+    //                    return false;
+                    }
+    //                assert(ret == 0);
+                    currentPath.erase(i++);
+    //                i++;
+                }
+                else{
+                    i++;
+                }
+            }
+            else{
+                i++;
+            }
         }
     }
 //    qDebug() << path;
@@ -228,6 +250,13 @@ next:
 }
 
 void InotifyIndex::run(){
+    m_fd = inotify_init();
+    qDebug() << "m_fd----------->" <<m_fd;
+
+    this->AddWatch(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
+    this->setPath(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
+    this->firstTraverse();
+
     int fifo_fd;
     char buffer[2];
     memset(buffer, 0, sizeof(buffer));
@@ -256,8 +285,8 @@ void InotifyIndex::run(){
 
     ssize_t numRead;
 
-    for (;;) { /* Read events forever */
-read:
+    while (FileUtils::SearchMethod::INDEXSEARCH == FileUtils::searchMethod) {
+//    for (;;) { /* Read events forever */
         memset(buf, 0x00, BUF_LEN);
         numRead = read(m_fd, buf, BUF_LEN);
 
@@ -276,14 +305,14 @@ read:
     //        qDebug() << "Read Event: " << currentPath[event->wd] << QString(event->name) << event->cookie << event->wd << event->mask;
             if(event->name[0] != '.'){
                 GlobalSettings::getInstance()->setValue(INOTIFY_NORMAL_EXIT, "0");
-                goto fork;
+                break;
             }
             tmp += sizeof(struct inotify_event) + event->len;
-
         }
-        goto read;
+        if (tmp >= buf + numRead) {
+            continue;
+        }
 
-fork:
         ++FileUtils::_index_status;
 
         pid_t pid;
@@ -323,7 +352,7 @@ fork:
                     qDebug() << "select timeout!";
                     ::free(read_timeout);
                     IndexGenerator::getInstance()->~IndexGenerator();
-                    GlobalSettings::getInstance()->forceSync();
+//                    GlobalSettings::getInstance()->forceSync();
                    ::_exit(0);
                 }else{
                     GlobalSettings::getInstance()->setValue(INOTIFY_NORMAL_EXIT, "0");
@@ -343,7 +372,6 @@ fork:
         else if (pid > 0){
             memset(buf, 0x00, BUF_LEN);
             waitpid(pid, NULL, 0);
-
             --FileUtils::_index_status;
         }
         else{
@@ -351,4 +379,11 @@ fork:
         }
     }
 
+    if (FileUtils::SearchMethod::DIRECTSEARCH == FileUtils::searchMethod) {
+        GlobalSettings::getInstance()->setValue(INOTIFY_NORMAL_EXIT, "3");
+        RemoveWatch(QStandardPaths::writableLocation(QStandardPaths::HomeLocation), false);
+    }
+
+
+
 }
diff --git a/libsearch/index/inotify-index.h b/libsearch/index/inotify-index.h
index 0bbb7c9..d8c5227 100644
--- a/libsearch/index/inotify-index.h
+++ b/libsearch/index/inotify-index.h
@@ -48,7 +48,7 @@ public:
     ~InotifyIndex();
 
     bool AddWatch(const QString&);
-    bool RemoveWatch(const QString&);
+    bool RemoveWatch(const QString&, bool removeFromDatabase = true);
     virtual void DoSomething(const QFileInfo &) final;
 
     void eventProcess(const char*, ssize_t);
@@ -56,7 +56,6 @@ public:
 protected:
     void run() override;
 private:
-    QString* m_watch_path;
     int m_fd;
 
     QMap<int, QString> currentPath;
diff --git a/libsearch/index/search-manager.cpp b/libsearch/index/search-manager.cpp
index b8202cb..ca16f93 100644
--- a/libsearch/index/search-manager.cpp
+++ b/libsearch/index/search-manager.cpp
@@ -37,14 +37,11 @@ SearchManager::~SearchManager()
 
 int SearchManager::getCurrentIndexCount()
 {
-    try
-    {
+    try {
         Xapian::Database db(INDEX_PATH);
         return db.get_doccount();
-    }
-    catch(const Xapian::Error &e)
-    {
-        qWarning() <<QString::fromStdString(e.get_description());
+    } catch(const Xapian::Error &e) {
+        qWarning() << QString::fromStdString(e.get_description());
         return 0;
     }
 }
@@ -62,19 +59,25 @@ void SearchManager::onKeywordSearch(QString keyword,QQueue<QString> *searchResul
     ++uniqueSymbol3;
     m_mutex3.unlock();
 
+    if (FileUtils::SearchMethod::DIRECTSEARCH == FileUtils::searchMethod) {
+        DirectSearch *directSearch;
+        directSearch = new DirectSearch(keyword, searchResultFile, searchResultDir, uniqueSymbol1);
+        m_pool.start(directSearch);
+    } else if (FileUtils::SearchMethod::INDEXSEARCH == FileUtils::searchMethod) {
+        FileSearch *filesearch;
+        filesearch = new FileSearch(searchResultFile,uniqueSymbol1,keyword,"0",1,0,5);
+        m_pool.start(filesearch);
 
+        FileSearch *dirsearch;
+        dirsearch = new FileSearch(searchResultDir,uniqueSymbol2,keyword,"1",1,0,5);
+        m_pool.start(dirsearch);
 
-    FileSearch *filesearch;
-    filesearch = new FileSearch(searchResultFile,uniqueSymbol1,keyword,"0",1,0,5);
-    m_pool.start(filesearch);
-
-    FileSearch *dirsearch;
-    dirsearch = new FileSearch(searchResultDir,uniqueSymbol2,keyword,"1",1,0,5);
-    m_pool.start(dirsearch);
-
-    FileContentSearch *contentSearch;
-    contentSearch = new FileContentSearch(searchResultContent,uniqueSymbol3,keyword,0,5);
-    m_pool.start(contentSearch);
+        FileContentSearch *contentSearch;
+        contentSearch = new FileContentSearch(searchResultContent,uniqueSymbol3,keyword,0,5);
+        m_pool.start(contentSearch);
+    } else {
+        qWarning() << "Unknown search method! FileUtils::searchMethod: " << static_cast<int>(FileUtils::searchMethod);
+    }
     return;
 }
 
@@ -109,14 +112,14 @@ FileSearch::~FileSearch()
 
 void FileSearch::run()
 {
-    if(!m_search_result->isEmpty())
+    if (!m_search_result->isEmpty()){
         m_search_result->clear();
+    }
     int resultCount = 0;
     int total = 0;
-    while(total < 100)
-    {
+    while (total < 100) {
         resultCount = keywordSearchfile();
-        if(resultCount == 0 || resultCount == -1)
+        if (resultCount == 0 || resultCount == -1)
             break;
         total += resultCount;
         m_begin += m_num;
@@ -126,22 +129,18 @@ void FileSearch::run()
 
 int FileSearch::keywordSearchfile()
 {
-    try
-    {
+    try {
         qDebug() << "--keywordSearchfile start--";
         Xapian::Database db(INDEX_PATH);
         Xapian::Query query = creatQueryForFileSearch(db);
         Xapian::Enquire enquire(db);
 
         Xapian::Query queryFile;
-        if(!m_value.isEmpty())
-        {
+        if (!m_value.isEmpty()) {
             std::string slotValue = m_value.toStdString();
             Xapian::Query queryValue = Xapian::Query(Xapian::Query::OP_VALUE_RANGE,m_slot,slotValue,slotValue);
             queryFile = Xapian::Query(Xapian::Query::OP_AND,query,queryValue);
-        }
-        else
-        {
+        } else {
             queryFile = query;
         }
 
@@ -150,19 +149,17 @@ int FileSearch::keywordSearchfile()
         enquire.set_query(queryFile);
         Xapian::MSet result = enquire.get_mset(m_begin, m_num);
         int resultCount = result.size();
-        qDebug()<< "keywordSearchfile results count=" <<resultCount;
-        if(resultCount == 0)
+        qDebug() << "keywordSearchfile results count=" <<resultCount;
+        if (resultCount == 0)
             return 0;
-        if(getResult(result) == -1)
+        if (getResult(result) == -1)
             return -1;
 
-        qDebug()<< "--keywordSearchfile finish--";
+        qDebug() << "--keywordSearchfile finish--";
         return resultCount;
-    }
-    catch(const Xapian::Error &e)
-    {
+    } catch (const Xapian::Error &e) {
         qWarning() <<QString::fromStdString(e.get_description());
-        qDebug()<< "--keywordSearchfile finish--";
+        qDebug() << "--keywordSearchfile finish--";
         return -1;
     }
 }
@@ -171,8 +168,7 @@ Xapian::Query FileSearch::creatQueryForFileSearch(Xapian::Database &db)
 {
     auto userInput = m_keyword.toLower();
     std::vector<Xapian::Query> v;
-    for(int i=0;i<userInput.size();i++)
-    {
+    for (int i=0;i<userInput.size();i++) {
         v.push_back(Xapian::Query(QUrl::toPercentEncoding(userInput.at(i)).toStdString()));
         //        qDebug()<<QString::fromStdString(Xapian::Query(QString(userInput.at(i)).toStdString()).get_description());
     }
@@ -182,8 +178,7 @@ Xapian::Query FileSearch::creatQueryForFileSearch(Xapian::Database &db)
 
 int FileSearch::getResult(Xapian::MSet &result)
 {
-    for (auto it = result.begin(); it != result.end(); ++it)
-    {
+    for (auto it = result.begin(); it != result.end(); ++it) {
         Xapian::Document doc = it.get_document();
         std::string data = doc.get_data();
         Xapian::weight docScoreWeight = it.get_weight();
@@ -191,29 +186,23 @@ int FileSearch::getResult(Xapian::MSet &result)
         QString path = QString::fromStdString(data);
         std::string().swap(data);
 
-        if(SearchManager::isBlocked(path))
+        if (SearchManager::isBlocked(path)) {
             continue;
+        }
 
         QFileInfo info(path);
 
-        if(!info.exists())
-        {
-            //                pathTobeDelete->append(QString::fromStdString(data));
+        if (!info.exists()) {
+//            pathTobeDelete->append(QString::fromStdString(data));
             qDebug()<<path<<"is not exist!!";
-        }
-        else
-        {
-            switch (m_value.toInt())
-            {
+        } else {
+            switch (m_value.toInt()) {
             case 1:
                 SearchManager::m_mutex1.lock();
-                if(m_uniqueSymbol == SearchManager::uniqueSymbol2)
-                {
+                if (m_uniqueSymbol == SearchManager::uniqueSymbol2) {
                     m_search_result->enqueue(path);
                     SearchManager::m_mutex1.unlock();
-                }
-                else
-                {
+                } else {
                     SearchManager::m_mutex1.unlock();
                     return -1;
                 }
@@ -221,13 +210,10 @@ int FileSearch::getResult(Xapian::MSet &result)
                 break;
             case 0:
                 SearchManager::m_mutex2.lock();
-                if(m_uniqueSymbol == SearchManager::uniqueSymbol1)
-                {
+                if(m_uniqueSymbol == SearchManager::uniqueSymbol1) {
                     m_search_result->enqueue(path);
                     SearchManager::m_mutex2.unlock();
-                }
-                else
-                {
+                } else {
                     SearchManager::m_mutex2.unlock();
                     return -1;
                 }
@@ -237,7 +223,7 @@ int FileSearch::getResult(Xapian::MSet &result)
             }
             //            searchResult.append(path);
         }
-        qDebug()<< "doc="<< path << ",weight=" <<docScoreWeight << ",percent=" << docScorePercent;
+        qDebug() << "doc=" << path << ",weight=" << docScoreWeight << ",percent=" << docScorePercent;
     }
     //        if(!pathTobeDelete->isEmpty())
     //            deleteAllIndex(pathTobeDelete)
@@ -261,16 +247,17 @@ FileContentSearch::~FileContentSearch()
 
 void FileContentSearch::run()
 {
-    if(!m_search_result->isEmpty())
+    if (!m_search_result->isEmpty()) {
         m_search_result->clear();
+    }
     int resultCount = 0;
     int total = 0;
 
-    while(total<50)
-    {
+    while (total<50) {
         resultCount = keywordSearchContent();
-        if(resultCount == 0 || resultCount == -1)
+        if (resultCount == 0 || resultCount == -1) {
             break;
+        }
         total += resultCount;
         m_begin += m_num;
     }
@@ -279,8 +266,7 @@ void FileContentSearch::run()
 
 int FileContentSearch::keywordSearchContent()
 {
-    try
-    {
+    try {
         qDebug()<<"--keywordSearchContent search start--";
 
         Xapian::Database db(CONTENT_INDEX_PATH);
@@ -305,8 +291,7 @@ int FileContentSearch::keywordSearchContent()
         QVector<SKeyWord> sKeyWord = ChineseSegmentation::getInstance()->callSegement(m_keyword);
         //Creat a query
         std::string words;
-        for(int i=0;i<sKeyWord.size();i++)
-        {
+        for (int i=0; i<sKeyWord.size(); i++) {
             words.append(sKeyWord.at(i).word).append(" ");
         }
 
@@ -333,49 +318,48 @@ int FileContentSearch::keywordSearchContent()
         //            qDebug()<<QString::fromStdString(sKeyWord.at(i).word);
         //        }
         //        Xapian::Query queryPhrase =Xapian::Query(Xapian::Query::OP_AND, v.begin(), v.end());
-        qDebug()<<"keywordSearchContent:"<<QString::fromStdString(query.get_description());
+        qDebug() << "keywordSearchContent:" << QString::fromStdString(query.get_description());
 
         enquire.set_query(query);
 
         Xapian::MSet result = enquire.get_mset(m_begin, m_num);
         int resultCount = result.size();
-        if(result.size() == 0)
+        if (result.size() == 0) {
             return 0;
-        qDebug()<< "keywordSearchContent results count=" <<resultCount;
+        }
+        qDebug() << "keywordSearchContent results count=" << resultCount;
 
-        if(getResult(result,words) == -1)
+        if (getResult(result,words) == -1){
             return -1;
+        }
 
         qDebug()<< "--keywordSearchContent search finish--";
         return resultCount;
-    }
-    catch(const Xapian::Error &e)
-    {
-        qWarning() <<QString::fromStdString(e.get_description());
-        qDebug()<< "--keywordSearchContent search finish--";
+    } catch(const Xapian::Error &e) {
+        qWarning() << QString::fromStdString(e.get_description());
+        qDebug() << "--keywordSearchContent search finish--";
         return -1;
     }
 }
 
 int FileContentSearch::getResult(Xapian::MSet &result, std::string &keyWord)
 {
-    for (auto it = result.begin(); it != result.end(); ++it)
-    {
+    for (auto it = result.begin(); it != result.end(); ++it) {
         Xapian::Document doc = it.get_document();
         std::string data = doc.get_data();
         double docScoreWeight = it.get_weight();
         Xapian::percent docScorePercent = it.get_percent();
         QString path = QString::fromStdString(doc.get_value(1));
 
-        if(SearchManager::isBlocked(path))
+        if (SearchManager::isBlocked(path)){
             continue;
+        }
 
         QFileInfo info(path);
 
-        if(!info.exists())
-        {
+        if (!info.exists()) {
             //                pathTobeDelete->append(QString::fromStdString(data));
-            qDebug()<<path<<"is not exist!!";
+            qDebug() << path << "is not exist!!";
             continue;
         }
         // Construct snippets containing keyword.
@@ -387,14 +371,14 @@ int FileContentSearch::getResult(Xapian::MSet &result, std::string &keyWord)
         int size = wordTobeFound.length();
         term.skip_to(wordTobeFound);
         int count =0;
-        for(auto pos = term.positionlist_begin();pos != term.positionlist_end()&&count < 6;++pos)
-        {
+        for (auto pos = term.positionlist_begin();pos != term.positionlist_end()&&count < 6;++pos) {
             std::string s = data.substr((*pos < 60)? 0: (*pos  - 60) , size + 120);
             QString snippet = QString::fromStdString(s);
-            if(snippet.size() > 6 + QString::fromStdString(keyWord).size())
+            if (snippet.size() > 6 + QString::fromStdString(keyWord).size()){
                 snippet.replace(0,3,"...").replace(snippet.size()-3,3,"...");
-            else
+            } else {
                 snippet.append("...").prepend("...");
+            }
             snippets.append(snippet);
             QString().swap(snippet);
             std::string().swap(s);
@@ -418,23 +402,71 @@ int FileContentSearch::getResult(Xapian::MSet &result, std::string &keyWord)
 //        }
 
         SearchManager::m_mutex3.lock();
-        if(m_uniqueSymbol == SearchManager::uniqueSymbol3)
-        {
-
+        if (m_uniqueSymbol == SearchManager::uniqueSymbol3) {
             m_search_result->enqueue(qMakePair(path,snippets));
             SearchManager::m_mutex3.unlock();
             snippets.clear();
             QStringList().swap(snippets);
-        }
-        else
-        {
+        } else {
             SearchManager::m_mutex3.unlock();
             return -1;
         }
         //        searchResult.insert(path,snippets);
-        qDebug()<< "path="<< path << ",weight=" <<docScoreWeight << ",percent=" << docScorePercent;
+        qDebug() << "path=" << path << ",weight=" << docScoreWeight << ",percent=" << docScorePercent;
     }
 //    //        if(!pathTobeDelete->isEmpty())
 //    //            deleteAllIndex(pathTobeDelete)
     return 0;
 }
+
+DirectSearch::DirectSearch(QString keyword, QQueue<QString> *searchResultFile, QQueue<QString> *searchResultDir, size_t uniqueSymbol)
+{
+    this->setAutoDelete(true);
+    m_keyword = keyword;
+    m_searchResultFile = searchResultFile;
+    m_searchResultDir = searchResultDir;
+    m_uniqueSymbol = uniqueSymbol;
+}
+
+void DirectSearch::run()
+{
+    QQueue<QString> bfs;
+    bfs.enqueue(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
+    QFileInfoList list;
+    QDir dir;
+    // QDir::Hidden
+    dir.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
+    dir.setSorting(QDir::DirsFirst);
+    while (!bfs.empty()) {
+        dir.setPath(bfs.dequeue());
+        list = dir.entryInfoList();
+        for (auto i : list) {
+            if (i.isDir() && (!(i.isSymLink()))) {
+                bfs.enqueue(i.absoluteFilePath());
+            }
+            if (i.fileName().contains(m_keyword)) {
+                SearchManager::m_mutex1.lock();
+//                qWarning() << i.fileName() << m_keyword;
+                if (m_uniqueSymbol == SearchManager::uniqueSymbol1) {
+                    // TODO
+                    if (i.isDir() && m_searchResultDir->length() < 51) {
+                        m_searchResultDir->enqueue(i.absoluteFilePath());
+                    } else if (m_searchResultFile->length() < 51) {
+                        m_searchResultFile->enqueue(i.absoluteFilePath());
+                    }
+                    SearchManager::m_mutex1.unlock();
+                    if (m_searchResultDir->length() > 49 && m_searchResultFile->length() > 49) {
+                        return;
+                    }
+                } else {
+                    // TODO
+                    // More suitable method?
+                    m_searchResultFile->clear();
+                    m_searchResultDir->clear();
+                    SearchManager::m_mutex1.unlock();
+                    return;
+                }
+            }
+        }
+    }
+}
diff --git a/libsearch/index/search-manager.h b/libsearch/index/search-manager.h
index 9698e10..04f3ee7 100644
--- a/libsearch/index/search-manager.h
+++ b/libsearch/index/search-manager.h
@@ -116,6 +116,7 @@ private:
     int m_begin = 0;
     int m_num = 20;
 };
+
 class FileContentSearch : public QRunnable
 {
 public:
@@ -133,4 +134,17 @@ private:
     int m_begin = 0;
     int m_num = 20;
 };
+
+class DirectSearch : public QRunnable
+{
+public:
+    explicit DirectSearch(QString keyword, QQueue<QString> *searchResultFile, QQueue<QString> *searchResultDir, size_t uniqueSymbol);
+protected:
+    void run();
+private:
+    QString m_keyword;
+    QQueue<QString>* m_searchResultFile = nullptr;
+    QQueue<QString>* m_searchResultDir = nullptr;
+    size_t m_uniqueSymbol;
+};
 #endif // SEARCHMANAGER_H
diff --git a/libsearch/index/searchmethodmanager.cpp b/libsearch/index/searchmethodmanager.cpp
new file mode 100644
index 0000000..8e35d43
--- /dev/null
+++ b/libsearch/index/searchmethodmanager.cpp
@@ -0,0 +1,26 @@
+#include "searchmethodmanager.h"
+
+void SearchMethodManager::searchMethod(FileUtils::SearchMethod sm)
+{
+    qWarning() << "searchMethod start: " << static_cast<int>(sm);
+    if (FileUtils::SearchMethod::INDEXSEARCH == sm || FileUtils::SearchMethod::DIRECTSEARCH == sm) {
+        FileUtils::searchMethod = sm;
+    } else {
+        printf("enum class error!!!\n");
+        qWarning("enum class error!!!\n");
+    }
+    if (FileUtils::SearchMethod::INDEXSEARCH == sm && 0 == FileUtils::_index_status) {
+        qWarning() << "start first index";
+//        m_fi = FirstIndex("/home/zhangzihao/Desktop");
+        m_fi.start();
+        qWarning() << "start inotify index";
+//        InotifyIndex ii("/home");
+//        ii.start();
+        this->m_ii = InotifyIndex::getInstance("/home");
+        if (!this->m_ii->isRunning()) {
+            this->m_ii->start();
+        }
+        qDebug()<<"Search method has been set to INDEXSEARCH";
+    }
+    qWarning() << "searchMethod end: " << static_cast<int>(FileUtils::searchMethod);
+}
diff --git a/libsearch/index/searchmethodmanager.h b/libsearch/index/searchmethodmanager.h
new file mode 100644
index 0000000..ec6267a
--- /dev/null
+++ b/libsearch/index/searchmethodmanager.h
@@ -0,0 +1,17 @@
+#ifndef SEARCHMETHODMANAGER_H
+#define SEARCHMETHODMANAGER_H
+
+#include "first-index.h"
+#include "inotify-index.h"
+
+class SearchMethodManager
+{
+public:
+    SearchMethodManager() = default;
+    void searchMethod(FileUtils::SearchMethod sm);
+private:
+    FirstIndex m_fi;
+    InotifyIndex* m_ii;
+};
+
+#endif // SEARCHMETHODMANAGER_H
diff --git a/libsearch/index/traverse_bfs.h b/libsearch/index/traverse_bfs.h
index b3c414c..d8a4e1d 100644
--- a/libsearch/index/traverse_bfs.h
+++ b/libsearch/index/traverse_bfs.h
@@ -28,12 +28,13 @@
 class Traverse_BFS
 {
 public:
+    Traverse_BFS() = default;
     void Traverse();
     virtual ~Traverse_BFS() = default;
     virtual void DoSomething(const QFileInfo&) = 0;
     void setPath(const QString&);
 protected:
-    explicit Traverse_BFS(const QString&);
+    Traverse_BFS(const QString&);
     QString path = "/home";
 private:
     Traverse_BFS(const Traverse_BFS&) = delete;
diff --git a/libsearch/libsearch.h b/libsearch/libsearch.h
index 83febb4..f0217ab 100644
--- a/libsearch/libsearch.h
+++ b/libsearch/libsearch.h
@@ -21,15 +21,16 @@
 #define LIBSEARCH_H
 
 #include "libsearch_global.h"
-#include "index/search-manager.h"
 #include "appsearch/app-match.h"
 #include "settingsearch/setting-match.h"
 #include "file-utils.h"
 #include "global-settings.h"
-#include "index/first-index.h"
 
+#include "index/searchmethodmanager.h"
+#include "index/first-index.h"
 #include "index/ukui-search-qdbus.h"
 #include "index/inotify-index.h"
+#include "index/search-manager.h"
 
 class  LIBSEARCH_EXPORT GlobalSearch
 {
diff --git a/src/create-index-ask-dialog.cpp b/src/create-index-ask-dialog.cpp
new file mode 100644
index 0000000..1f982a9
--- /dev/null
+++ b/src/create-index-ask-dialog.cpp
@@ -0,0 +1,131 @@
+/*
+ *
+ * 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 "create-index-ask-dialog.h"
+#include <QPainter>
+
+CreateIndexAskDialog::CreateIndexAskDialog(QWidget *parent) : QDialog(parent)
+{
+    this->setWindowIcon(QIcon::fromTheme("kylin-search"));
+    this->setWindowTitle(tr("ukui-search"));
+
+    initUi();
+}
+
+void CreateIndexAskDialog::initUi()
+{
+    this->setFixedSize(380, 202);
+    m_mainLyt = new QVBoxLayout(this);
+    this->setLayout(m_mainLyt);
+    m_mainLyt->setContentsMargins(0, 0, 0, 0);
+
+    //标题栏
+    m_titleFrame = new QFrame(this);
+    m_titleFrame->setFixedHeight(40);
+    m_titleLyt = new QHBoxLayout(m_titleFrame);
+    m_titleLyt->setContentsMargins(8, 8, 8, 8);
+    m_titleFrame->setLayout(m_titleLyt);
+    m_iconLabel = new QLabel(m_titleFrame);
+    m_iconLabel->setFixedSize(24, 24);
+    m_iconLabel->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::fromTheme("window-close-symbolic"));
+    m_closeBtn->setProperty("isWindowButton", 0x02);
+    m_closeBtn->setProperty("useIconHighlightEffect", 0x08);
+    m_closeBtn->setFlat(true);
+    connect(m_closeBtn, &QPushButton::clicked, this, [ = ]() {
+        this->hide();
+        Q_EMIT this->closed();
+    });
+    m_titleLyt->addWidget(m_iconLabel);
+    m_titleLyt->addWidget(m_titleLabel);
+    m_titleLyt->addStretch();
+    m_titleLyt->addWidget(m_closeBtn);
+
+    m_mainLyt->addWidget(m_titleFrame);
+
+    //内容区域
+    m_contentFrame = new QFrame(this);
+    m_contentLyt = new QVBoxLayout(m_contentFrame);
+    m_contentFrame->setLayout(m_contentLyt);
+    m_contentLyt->setContentsMargins(32, 16, 32, 24);
+
+    m_tipLabel = new QLabel(m_contentFrame);
+    m_tipLabel->setText(tr("Creating index can help you getting results quickly, whether to create or not?"));
+    m_tipLabel->setWordWrap(true);
+    m_contentLyt->addWidget(m_tipLabel);
+
+    m_checkFrame = new QFrame(m_contentFrame);
+    m_checkLyt = new QHBoxLayout(m_checkFrame);
+    m_checkLyt->setContentsMargins(0, 0, 0, 0);
+    m_checkFrame->setLayout(m_checkLyt);
+    m_checkBox = new QCheckBox(m_checkFrame);
+    m_checkBox->setText(tr("Don't remind"));
+    m_checkLyt->addWidget(m_checkBox);
+    m_checkLyt->addStretch();
+    m_contentLyt->addWidget(m_checkFrame);
+    m_contentLyt->addStretch();
+
+    m_btnFrame = new QFrame(m_contentFrame);
+    m_btnLyt = new QHBoxLayout(m_btnFrame);
+    m_btnFrame->setLayout(m_btnLyt);
+    m_btnLyt->setContentsMargins(0, 0, 0, 0);
+    m_cancelBtn = new QPushButton(m_btnFrame);
+    m_cancelBtn->setText(tr("No"));
+    m_confirmBtn = new QPushButton(m_btnFrame);
+    m_confirmBtn->setText(tr("Yes"));
+    connect(m_cancelBtn, &QPushButton::clicked, this, [ = ]() {
+        Q_EMIT this->btnClicked(false, m_checkBox->isChecked());
+        this->hide();
+        Q_EMIT this->closed();
+    });
+    connect(m_confirmBtn, &QPushButton::clicked, this, [ = ]() {
+        Q_EMIT this->btnClicked(true, m_checkBox->isChecked());
+        this->hide();
+        Q_EMIT this->closed();
+    });
+    m_btnLyt->addStretch();
+    m_btnLyt->addWidget(m_cancelBtn);
+    m_btnLyt->addWidget(m_confirmBtn);
+    m_contentLyt->addWidget(m_btnFrame);
+
+    m_mainLyt->addWidget(m_contentFrame);
+}
+
+/**
+ * @brief CreateIndexAskDialog::paintEvent 绘制窗口背景（默认背景较暗）
+ */
+void CreateIndexAskDialog::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event)
+
+    QPainter p(this);
+    p.setRenderHint(QPainter::Antialiasing);
+    QPainterPath rectPath;
+    rectPath.addRect(this->rect());
+    p.save();
+    p.fillPath(rectPath,palette().color(QPalette::Base));
+    p.restore();
+    return QDialog::paintEvent(event);
+}
diff --git a/src/create-index-ask-dialog.h b/src/create-index-ask-dialog.h
new file mode 100644
index 0000000..8a2f940
--- /dev/null
+++ b/src/create-index-ask-dialog.h
@@ -0,0 +1,72 @@
+/*
+ *
+ * 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 CREATEINDEXASKDIALOG_H
+#define CREATEINDEXASKDIALOG_H
+
+#include <QDialog>
+#include <QFrame>
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+#include <QCheckBox>
+#include <QLabel>
+#include <QPushButton>
+#include <QStyleOption>
+
+class CreateIndexAskDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    CreateIndexAskDialog(QWidget *parent = nullptr);
+    ~CreateIndexAskDialog() = default;
+
+private:
+    void initUi();
+
+    QVBoxLayout * m_mainLyt = nullptr;
+    //标题栏
+    QFrame * m_titleFrame = nullptr;
+    QHBoxLayout * m_titleLyt = nullptr;
+    QLabel * m_iconLabel = nullptr;
+    QLabel * m_titleLabel = nullptr;
+    QPushButton * m_closeBtn = nullptr;
+
+    //内容区域
+    QFrame * m_contentFrame = nullptr;
+    QVBoxLayout * m_contentLyt = nullptr;
+    QLabel * m_tipLabel = nullptr; //提示语
+    QFrame * m_checkFrame = nullptr; //"不再提示"选项框区域
+    QHBoxLayout * m_checkLyt = nullptr;
+    QCheckBox * m_checkBox = nullptr;
+    QFrame * m_btnFrame = nullptr; //底部按钮区域
+    QHBoxLayout * m_btnLyt = nullptr;
+    QPushButton * m_cancelBtn = nullptr;
+    QPushButton * m_confirmBtn = nullptr;
+
+    void paintEvent(QPaintEvent *);
+
+Q_SIGNALS:
+    void closed();
+    void btnClicked(const bool&, const bool&);
+
+};
+
+#endif // CREATEINDEXASKDIALOG_H
diff --git a/src/main.cpp b/src/main.cpp
index eb76c89..d5eeca2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -117,7 +117,31 @@ void centerToScreen(QWidget* widget) {
     int y = widget->height();
     widget->move(desk_x / 2 - x / 2 + desk_rect.left(), desk_y / 2 - y / 2 + desk_rect.top());
 }
-
+/*
+void searchMethod(FileUtils::SearchMethod sm){
+    qWarning() << "searchMethod start: " << static_cast<int>(sm);
+    if (FileUtils::SearchMethod::INDEXSEARCH == sm || FileUtils::SearchMethod::DIRECTSEARCH == sm) {
+        FileUtils::searchMethod = sm;
+    } else {
+        printf("enum class error!!!\n");
+        qWarning("enum class error!!!\n");
+    }
+    if (FileUtils::SearchMethod::INDEXSEARCH == sm && 0 == FileUtils::_index_status) {
+        qWarning() << "start first index";
+        FirstIndex fi("/home/zhangzihao/Desktop");
+        fi.start();
+        qWarning() << "start inotify index";
+//        InotifyIndex ii("/home");
+//        ii.start();
+        InotifyIndex* ii = InotifyIndex::getInstance("/home");
+        if (!ii->isRunning()) {
+            ii->start();
+        }
+        qDebug()<<"Search method has been set to INDEXSEARCH";
+    }
+    qWarning() << "searchMethod end: " << static_cast<int>(FileUtils::searchMethod);
+}
+*/
 int main(int argc, char *argv[])
 {
     // Determine whether the home directory has been created, and if not, keep waiting.
@@ -178,7 +202,7 @@ int main(int argc, char *argv[])
         parser.addOptions({debugOption, showsearch});
         parser.process(app);
     }*/
-
+/*
     // Create a fifo at ~/.config/org.ukui/ukui-search, the fifo is used to control the order of child processes' running.
     QDir fifoDir = QDir(QDir::homePath()+"/.config/org.ukui/ukui-search");
     if(!fifoDir.exists())
@@ -194,7 +218,7 @@ int main(int argc, char *argv[])
         return -1;
     }
     qDebug()<<"create fifo success\n";
-
+*/
     // Set max_user_watches to a number which is enough big.
     UkuiSearchQDBus usQDBus;
     usQDBus.setInotifyMaxUserWatches();
@@ -249,6 +273,9 @@ int main(int argc, char *argv[])
 //    w->moveToPanel();
     centerToScreen(w);
 
+    //请务必在connect之后初始化mainwindow的Gsettings，为了保证gsettings第一次读取到的配置值能成功应用
+    w->initGsettings();
+
     //使用窗管的无边框策略
 //    w->setProperty("useStyleWindowManager", false); //禁用拖动
 //    MotifWmHints hints;
@@ -278,13 +305,13 @@ int main(int argc, char *argv[])
 
     // TODO
     // First insdex start, the parameter us useless, should remove the parameter
-    FirstIndex fi("/home/zhangzihao/Desktop");
-    fi.start();
+//    FirstIndex fi("/home/zhangzihao/Desktop");
+//    fi.start();
 
     // TODO
     // Inotify index start, the parameter us useless, should remove the parameter
-    InotifyIndex* ii = InotifyIndex::getInstance("/home");
-    ii->start();
+//    InotifyIndex* ii = InotifyIndex::getInstance("/home");
+//    ii->start();
 
     return app.exec();
 }
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 227c691..66c65ab 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -65,6 +65,7 @@ MainWindow::MainWindow(QWidget *parent) :
     this->setSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum);
     this->setWindowTitle(tr("ukui-search"));
     initUi();
+    initTimer();
 
 //    setProperty("useStyleWindowManager", false); //禁止拖动
     m_hints.flags = MWM_HINTS_FUNCTIONS|MWM_HINTS_DECORATIONS;
@@ -80,11 +81,6 @@ MainWindow::MainWindow(QWidget *parent) :
     setProperty("blurRegion", QRegion(path.toFillPolygon().toPolygon()));
     KWindowEffects::enableBlurBehind(this->winId(), true, QRegion(path.toFillPolygon().toPolygon()));
 
-    const QByteArray id("org.ukui.control-center.personalise");
-    if (QGSettings::isSchemaInstalled(id)) {
-        m_transparency_gsettings = new QGSettings(id);
-    }
-
     connect(qApp, &QApplication::paletteChanged, this, [ = ](const QPalette &pal) {
         this->setPalette(pal);
         this->update();
@@ -144,6 +140,10 @@ MainWindow::MainWindow(QWidget *parent) :
             }
         }
     });
+    QObject::connect(this, &MainWindow::searchMethodChanged, this, [ = ](FileUtils::SearchMethod sm) {
+        this->m_searchMethodManager.searchMethod(sm);
+    });
+
 }
 
 MainWindow::~MainWindow()
@@ -160,6 +160,18 @@ MainWindow::~MainWindow()
         delete m_settingsWidget;
         m_settingsWidget = NULL;
     }
+    if (m_askDialog) {
+        delete m_askDialog;
+        m_askDialog = NULL;
+    }
+    if (m_askTimer) {
+        delete m_askTimer;
+        m_askTimer = NULL;
+    }
+    if (m_search_gsettings) {
+        delete m_search_gsettings;
+        m_search_gsettings = NULL;
+    }
 }
 
 /**
@@ -243,6 +255,7 @@ void MainWindow::initUi()
             }
 //            m_seach_app_thread->stop();
             m_contentFrame->setCurrentIndex(0);
+            m_askTimer->stop();
         } else {
             m_contentFrame->setCurrentIndex(1);
             QTimer::singleShot(10,this,[=](){
@@ -253,13 +266,45 @@ void MainWindow::initUi()
                     m_search_result_thread->start();
                 }
                 searchContent(text);
+                //允许弹窗且当前次搜索（为关闭主界面，算一次搜索过程）未询问且当前为暴力搜索
+                if (GlobalSettings::getInstance()->getValue(ENABLE_CREATE_INDEX_ASK_DIALOG).toString() != "false" && !m_currentSearchAsked && FileUtils::searchMethod == FileUtils::SearchMethod::DIRECTSEARCH)
+                    m_askTimer->start();
             });
         }
+        m_researchTimer->stop(); //如果搜索内容发生改变，则停止建索引后重新搜索的倒计时
     });
 
     //初始化homepage
 //    m_contentFrame->setQuicklyOpenList(list); //如需自定义快捷打开使用本函数
     m_contentFrame->initHomePage();
+
+    //创建索引询问弹窗
+    m_askDialog = new CreateIndexAskDialog(this);
+    MotifWmHints ask_dialog_hints;
+    ask_dialog_hints.flags = MWM_HINTS_FUNCTIONS|MWM_HINTS_DECORATIONS;
+    ask_dialog_hints.functions = MWM_FUNC_ALL;
+    ask_dialog_hints.decorations = MWM_DECOR_BORDER;
+    XAtomHelper::getInstance()->setWindowMotifHint(m_askDialog->winId(), ask_dialog_hints);
+    connect(m_askDialog, &CreateIndexAskDialog::closed, this, [ = ]() {
+        m_isAskDialogVisible = false;
+    });
+    connect(m_askDialog, &CreateIndexAskDialog::btnClicked, this, [ = ](const bool &create_index, const bool &no_longer_ask) {
+        if (no_longer_ask) {
+            GlobalSettings::getInstance()->setValue(ENABLE_CREATE_INDEX_ASK_DIALOG, "false");
+        } else {
+            GlobalSettings::getInstance()->setValue(ENABLE_CREATE_INDEX_ASK_DIALOG, "true");
+        }
+        if (create_index) {
+            if (m_search_gsettings && m_search_gsettings->keys().contains(SEARCH_METHOD_KEY)) {
+                m_search_gsettings->set(SEARCH_METHOD_KEY, true);
+            } else {
+               //调用创建索引接口
+               Q_EMIT this->searchMethodChanged(FileUtils::SearchMethod::INDEXSEARCH);
+               //创建索引十秒后重新搜索一次(如果用户十秒内没有退出搜索界面且没有重新搜索)
+               m_researchTimer->start();
+            }
+        }
+    });
 }
 
 /**
@@ -289,6 +334,13 @@ void MainWindow::clearSearchResult() {
     m_searchLayout->focusOut();
 }
 
+/**
+ * @brief MainWindow::createIndexSlot 允许创建索引的槽函数
+ */
+void MainWindow::createIndexSlot()
+{
+}
+
 /**
  * @brief loadMainWindow 加载主界面的函数
  * 不删除的原因是在单例和main函数里面需要用
@@ -414,12 +466,69 @@ void MainWindow::centerToScreen(QWidget* widget) {
     widget->move(desk_x / 2 - x / 2 + desk_rect.left(), desk_y / 2 - y / 2 + desk_rect.top());
 }
 
+void MainWindow::initGsettings()
+{
+    const QByteArray id(UKUI_SEARCH_SCHEMAS);
+    if (QGSettings::isSchemaInstalled(id)) {
+        m_search_gsettings = new QGSettings(id);
+        connect(m_search_gsettings, &QGSettings::changed, this, [ = ](const QString &key) {
+            if (key == SEARCH_METHOD_KEY) {
+                bool is_index_search = m_search_gsettings->get(SEARCH_METHOD_KEY).toBool();
+                this->setSearchMethod(is_index_search);
+            }
+        });
+        if (m_search_gsettings->keys().contains(SEARCH_METHOD_KEY)) {
+            bool is_index_search = m_search_gsettings->get(SEARCH_METHOD_KEY).toBool();
+            this->setSearchMethod(is_index_search);
+        }
+    }
+}
+
 //使用GSetting获取当前窗口应该使用的透明度
 double MainWindow::getTransparentData()
 {
     return GlobalSettings::getInstance()->getValue(TRANSPARENCY_KEY).toDouble();
 }
 
+void MainWindow::initTimer()
+{
+    m_askTimer = new QTimer;
+    m_askTimer->setInterval(5 * 1000);
+    connect(m_askTimer, &QTimer::timeout, this, [ = ]() {
+        if (this->isVisible()) {
+            m_isAskDialogVisible = true;
+            m_askDialog->show();
+            m_currentSearchAsked = true;
+        }
+        m_askTimer->stop();
+    });
+    m_researchTimer = new QTimer;
+    m_researchTimer->setInterval(10 * 1000);
+    connect(m_researchTimer, &QTimer::timeout, this, [ = ]() {
+        if (this->isVisible()) {
+            searchContent(m_searchLayout->text());
+        }
+        m_researchTimer->stop();
+    });
+}
+
+/**
+ * @brief MainWindow::setSearchMethod 设置搜索模式
+ * @param is_index_search true为索引搜索，false为暴力搜索
+ */
+void MainWindow::setSearchMethod(const bool &is_index_search)
+{
+    if (is_index_search) {
+        //调用创建索引接口
+        Q_EMIT this->searchMethodChanged(FileUtils::SearchMethod::INDEXSEARCH);
+        //创建索引十秒后重新搜索一次(如果用户十秒内没有退出搜索界面且没有重新搜索)
+        m_researchTimer->start();
+    } else {
+        Q_EMIT this->searchMethodChanged(FileUtils::SearchMethod::DIRECTSEARCH);
+        m_researchTimer->stop();
+    }
+}
+
 /**
  * @brief MainWindow::nativeEvent 处理窗口失焦事件
  * @param eventType
@@ -438,10 +547,15 @@ bool MainWindow::nativeEvent(const QByteArray &eventType, void *message, long *r
 
     switch (event->response_type & ~0x80) {
     case XCB_FOCUS_OUT:
-        this->hide();
-        m_contentFrame->closeWebView();
-        m_search_result_thread->requestInterruption();
-        m_search_result_thread->quit();
+        if (!m_isAskDialogVisible) {
+            m_currentSearchAsked = false;
+            this->hide();
+            m_askTimer->stop();
+            m_researchTimer->stop();
+            m_contentFrame->closeWebView();
+            m_search_result_thread->requestInterruption();
+            m_search_result_thread->quit();
+        }
 //        m_seach_app_thread->stop();
         break;
     default:
diff --git a/src/mainwindow.h b/src/mainwindow.h
index be2a3fe..fea8092 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -43,6 +43,7 @@
 #include <QKeyEvent>
 #include <QGSettings/QGSettings>
 #include <QSystemTrayIcon>
+#include <QTimer>
 
 #include "content-widget.h"
 #include "input-box.h"
@@ -51,6 +52,11 @@
 #include "libsearch.h"
 #include "search-app-thread.h"
 #include "xatom-helper.h"
+#include "create-index-ask-dialog.h"
+
+
+#define UKUI_SEARCH_SCHEMAS "org.ukui.search.settings"
+#define SEARCH_METHOD_KEY "indexSearch"
 
 class SearchResult;
 class MainWindow : public QMainWindow
@@ -73,6 +79,7 @@ public:
 
     // The position which mainwindow shows in the center of screen where the cursor in.
     void centerToScreen(QWidget* widget);
+    void initGsettings();
 
     MotifWmHints m_hints;
 
@@ -92,8 +99,7 @@ private:
     SearchBarHLayout * m_searchLayout = nullptr; // Search bar layout
     SeachBarWidget * m_searchWidget = nullptr;   // Search bar
 
-    QGSettings * m_transparency_gsettings = nullptr;
-    double getTransparentData();
+
 
     QStringList m_dirList;
 
@@ -105,13 +111,29 @@ private:
 
     SearchManager* m_searcher = nullptr;
     SettingsMatch *m_settingsMatch = nullptr;
-    QSystemTrayIcon *m_sys_tray_icon;
+    QSystemTrayIcon *m_sys_tray_icon = nullptr;
+    CreateIndexAskDialog * m_askDialog = nullptr;
+    bool m_isAskDialogVisible = false;
+
+    QTimer * m_askTimer = nullptr; //询问是否创建索引弹窗弹出的计时器
+    QTimer * m_researchTimer = nullptr; //创建索引后重新执行一次搜索的计时器
+    bool m_currentSearchAsked = false; //本次搜索是否已经询问过是否创建索引了
+    QGSettings * m_search_gsettings = nullptr;
+
+    SearchMethodManager m_searchMethodManager;
+
+    void setSearchMethod(const bool&);
+    double getTransparentData();
+    void initTimer();
 
 protected:
     void paintEvent(QPaintEvent *);
     void keyPressEvent(QKeyEvent *event);
     void initUi();
 
+Q_SIGNALS:
+    void searchMethodChanged(FileUtils::SearchMethod);
+
 public Q_SLOTS:
     /**
      * @brief Monitor screen resolution
@@ -126,6 +148,7 @@ public Q_SLOTS:
 
     void bootOptionsFilter(QString opt);                              // 过滤终端命令
     void clearSearchResult(); //清空搜索结果
+    void createIndexSlot();
 };
 
 #endif // MAINWINDOW_H
diff --git a/src/src.pro b/src/src.pro
index 35eff8a..a6574be 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -26,6 +26,7 @@ include(singleapplication/qt-single-application.pri)
 
 SOURCES += \
     content-widget.cpp \
+    create-index-ask-dialog.cpp \
     custom-style.cpp \
     input-box.cpp \
     main.cpp \
@@ -38,6 +39,7 @@ SOURCES += \
 
 HEADERS += \
     content-widget.h \
+    create-index-ask-dialog.h \
     custom-style.h \
     input-box.h \
     mainwindow.h \
@@ -55,7 +57,9 @@ data-menu.path = /usr/share/applications
 data-menu.files += ../data/ukui-search-menu.desktop
 data.path = /etc/xdg/autostart
 data.files += ../data/ukui-search.desktop
-INSTALLS += data data-menu
+schemes.path =  /usr/share/glib-2.0/schemas/
+schemes.files += ../data/org.ukui.search.data.gschema.xml
+INSTALLS += data data-menu schemes
 
 RESOURCES += \
     resource.qrc
@@ -84,3 +88,6 @@ DEPENDPATH += $$PWD/../libsearch
 #    $$OUT_PWD/.qm/bo.qm \
 #    $$OUT_PWD/.qm/tr.qm \
 #    $$OUT_PWD/.qm/zh_CN.qm
+
+DISTFILES += \
+    ../data/org.ukui.search.data.gschema.xml
diff --git a/translations/ukui-search/bo.ts b/translations/ukui-search/bo.ts
index 9e5b6d5..82ef300 100644
--- a/translations/ukui-search/bo.ts
+++ b/translations/ukui-search/bo.ts
@@ -4,61 +4,94 @@
 <context>
     <name>ContentWidget</name>
     <message>
-        <location filename="../../src/content-widget.cpp" line="377"/>
+        <location filename="../../src/content-widget.cpp" line="364"/>
         <source>Recently Opened</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="413"/>
+        <location filename="../../src/content-widget.cpp" line="400"/>
         <source>Open Quickly</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="414"/>
+        <location filename="../../src/content-widget.cpp" line="401"/>
         <source>Commonly Used</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="681"/>
+        <location filename="../../src/content-widget.cpp" line="668"/>
         <source>Apps</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="683"/>
+        <location filename="../../src/content-widget.cpp" line="670"/>
         <source>Settings</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="685"/>
+        <location filename="../../src/content-widget.cpp" line="672"/>
         <source>Files</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="687"/>
+        <location filename="../../src/content-widget.cpp" line="674"/>
         <source>Dirs</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="689"/>
+        <location filename="../../src/content-widget.cpp" line="676"/>
         <source>File Contents</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="691"/>
+        <location filename="../../src/content-widget.cpp" line="678"/>
         <source>Best Matches</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="693"/>
+        <location filename="../../src/content-widget.cpp" line="680"/>
         <source>Web Pages</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="695"/>
+        <location filename="../../src/content-widget.cpp" line="682"/>
         <source>Unknown</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
+<context>
+    <name>CreateIndexAskDialog</name>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="28"/>
+        <source>ukui-search</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="50"/>
+        <source>Search</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="75"/>
+        <source>Creating index can help you getting results quickly, whether to create or not?</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="84"/>
+        <source>Don&apos;t remind</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="95"/>
+        <source>No</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="97"/>
+        <source>Yes</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>FolderListItem</name>
     <message>
@@ -70,17 +103,17 @@
 <context>
     <name>MainWindow</name>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="75"/>
+        <location filename="../../src/mainwindow.cpp" line="66"/>
         <source>ukui-search</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="126"/>
+        <location filename="../../src/mainwindow.cpp" line="120"/>
         <source>Global Search</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="188"/>
+        <location filename="../../src/mainwindow.cpp" line="196"/>
         <source>Search</source>
         <translation type="unfinished"></translation>
     </message>
@@ -121,7 +154,7 @@
 <context>
     <name>QObject</name>
     <message>
-        <location filename="../../src/main.cpp" line="182"/>
+        <location filename="../../src/main.cpp" line="191"/>
         <source>ukui-search is already running!</source>
         <translation type="unfinished"></translation>
     </message>
@@ -129,7 +162,7 @@
 <context>
     <name>SearchBarHLayout</name>
     <message>
-        <location filename="../../src/input-box.cpp" line="120"/>
+        <location filename="../../src/input-box.cpp" line="126"/>
         <source>Search</source>
         <translation type="unfinished"></translation>
     </message>
@@ -137,32 +170,32 @@
 <context>
     <name>SearchDetailView</name>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="525"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="545"/>
         <source>Path</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="533"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="553"/>
         <source>Last time modified</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="234"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="235"/>
         <source>Application</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="215"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="216"/>
         <source>Introduction: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="353"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="373"/>
         <source>Document</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="475"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="495"/>
         <source>Preview is not avaliable</source>
         <translation type="unfinished"></translation>
     </message>
@@ -170,55 +203,55 @@
 <context>
     <name>SettingsWidget</name>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="69"/>
-        <location filename="../../src/settings-widget.cpp" line="286"/>
-        <location filename="../../src/settings-widget.cpp" line="519"/>
+        <location filename="../../src/settings-widget.cpp" line="75"/>
+        <location filename="../../src/settings-widget.cpp" line="292"/>
+        <location filename="../../src/settings-widget.cpp" line="526"/>
         <source>Search</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="105"/>
-        <location filename="../../src/settings-widget.cpp" line="107"/>
+        <location filename="../../src/settings-widget.cpp" line="111"/>
+        <location filename="../../src/settings-widget.cpp" line="113"/>
         <source>...</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="117"/>
+        <location filename="../../src/settings-widget.cpp" line="123"/>
         <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="../../src/settings-widget.cpp" line="126"/>
+        <location filename="../../src/settings-widget.cpp" line="132"/>
         <source>Add ignored folders</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="149"/>
+        <location filename="../../src/settings-widget.cpp" line="155"/>
         <source>Please select search engine you preferred.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="162"/>
+        <location filename="../../src/settings-widget.cpp" line="168"/>
         <source>baidu</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="164"/>
+        <location filename="../../src/settings-widget.cpp" line="170"/>
         <source>sougou</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="166"/>
+        <location filename="../../src/settings-widget.cpp" line="172"/>
         <source>360</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="408"/>
+        <location filename="../../src/settings-widget.cpp" line="415"/>
         <source>Cancel</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="347"/>
+        <location filename="../../src/settings-widget.cpp" line="353"/>
         <source>Creating ...</source>
         <translation type="unfinished"></translation>
     </message>
@@ -228,102 +261,102 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="98"/>
+        <location filename="../../src/settings-widget.cpp" line="104"/>
         <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="103"/>
+        <location filename="../../src/settings-widget.cpp" line="109"/>
         <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="115"/>
+        <location filename="../../src/settings-widget.cpp" line="121"/>
         <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="147"/>
+        <location filename="../../src/settings-widget.cpp" line="153"/>
         <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="286"/>
+        <location filename="../../src/settings-widget.cpp" line="292"/>
         <source>Whether to delete this directory?</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="287"/>
+        <location filename="../../src/settings-widget.cpp" line="293"/>
         <source>Yes</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="288"/>
+        <location filename="../../src/settings-widget.cpp" line="294"/>
         <source>No</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="350"/>
+        <location filename="../../src/settings-widget.cpp" line="356"/>
         <source>Done</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="358"/>
+        <location filename="../../src/settings-widget.cpp" line="364"/>
         <source>Index Entry: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="402"/>
+        <location filename="../../src/settings-widget.cpp" line="409"/>
         <source>Directories</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="403"/>
+        <location filename="../../src/settings-widget.cpp" line="410"/>
         <source>select blocked folder</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="404"/>
+        <location filename="../../src/settings-widget.cpp" line="411"/>
         <source>Select</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="405"/>
+        <location filename="../../src/settings-widget.cpp" line="412"/>
         <source>Position: </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="406"/>
+        <location filename="../../src/settings-widget.cpp" line="413"/>
         <source>FileName: </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="407"/>
+        <location filename="../../src/settings-widget.cpp" line="414"/>
         <source>FileType: </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="503"/>
+        <location filename="../../src/settings-widget.cpp" line="510"/>
         <source>Choosen path is Empty!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="507"/>
+        <location filename="../../src/settings-widget.cpp" line="514"/>
         <source>Choosen path is not in &quot;home&quot;!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="511"/>
+        <location filename="../../src/settings-widget.cpp" line="518"/>
         <source>Its&apos; parent folder has been blocked!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="515"/>
+        <location filename="../../src/settings-widget.cpp" line="522"/>
         <source>Set blocked folder failed!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="520"/>
+        <location filename="../../src/settings-widget.cpp" line="527"/>
         <source>OK</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/translations/ukui-search/tr.ts b/translations/ukui-search/tr.ts
index 6f1933a..830579f 100644
--- a/translations/ukui-search/tr.ts
+++ b/translations/ukui-search/tr.ts
@@ -4,61 +4,94 @@
 <context>
     <name>ContentWidget</name>
     <message>
-        <location filename="../../src/content-widget.cpp" line="377"/>
+        <location filename="../../src/content-widget.cpp" line="364"/>
         <source>Recently Opened</source>
         <translation>Yeni Açılan</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="413"/>
+        <location filename="../../src/content-widget.cpp" line="400"/>
         <source>Open Quickly</source>
         <translation>Hızlı Aç</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="414"/>
+        <location filename="../../src/content-widget.cpp" line="401"/>
         <source>Commonly Used</source>
         <translation>Genel olarak kullanılan</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="681"/>
+        <location filename="../../src/content-widget.cpp" line="668"/>
         <source>Apps</source>
         <translation>Uygulamalar</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="683"/>
+        <location filename="../../src/content-widget.cpp" line="670"/>
         <source>Settings</source>
         <translation>Ayarlar</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="685"/>
+        <location filename="../../src/content-widget.cpp" line="672"/>
         <source>Files</source>
         <translation>Dosyalar</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="687"/>
+        <location filename="../../src/content-widget.cpp" line="674"/>
         <source>Dirs</source>
         <translation>Dizinler</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="689"/>
+        <location filename="../../src/content-widget.cpp" line="676"/>
         <source>File Contents</source>
         <translation>Dosya İçeriği</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="691"/>
+        <location filename="../../src/content-widget.cpp" line="678"/>
         <source>Best Matches</source>
         <translation>En İyi Eşleşen</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="693"/>
+        <location filename="../../src/content-widget.cpp" line="680"/>
         <source>Web Pages</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="695"/>
+        <location filename="../../src/content-widget.cpp" line="682"/>
         <source>Unknown</source>
         <translation>Bilinmeyen</translation>
     </message>
 </context>
+<context>
+    <name>CreateIndexAskDialog</name>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="28"/>
+        <source>ukui-search</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="50"/>
+        <source>Search</source>
+        <translation type="unfinished">Ara</translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="75"/>
+        <source>Creating index can help you getting results quickly, whether to create or not?</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="84"/>
+        <source>Don&apos;t remind</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="95"/>
+        <source>No</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="97"/>
+        <source>Yes</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>FolderListItem</name>
     <message>
@@ -70,17 +103,17 @@
 <context>
     <name>MainWindow</name>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="75"/>
+        <location filename="../../src/mainwindow.cpp" line="66"/>
         <source>ukui-search</source>
         <translation>ukui-ara</translation>
     </message>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="126"/>
+        <location filename="../../src/mainwindow.cpp" line="120"/>
         <source>Global Search</source>
         <translation>Genel Arama</translation>
     </message>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="188"/>
+        <location filename="../../src/mainwindow.cpp" line="196"/>
         <source>Search</source>
         <translation>Ara</translation>
     </message>
@@ -121,7 +154,7 @@
 <context>
     <name>QObject</name>
     <message>
-        <location filename="../../src/main.cpp" line="182"/>
+        <location filename="../../src/main.cpp" line="191"/>
         <source>ukui-search is already running!</source>
         <translation>ukui-bul zaten çalışıyor!</translation>
     </message>
@@ -129,7 +162,7 @@
 <context>
     <name>SearchBarHLayout</name>
     <message>
-        <location filename="../../src/input-box.cpp" line="120"/>
+        <location filename="../../src/input-box.cpp" line="126"/>
         <source>Search</source>
         <translation>Ara</translation>
     </message>
@@ -137,32 +170,32 @@
 <context>
     <name>SearchDetailView</name>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="525"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="545"/>
         <source>Path</source>
         <translation>Yol</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="533"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="553"/>
         <source>Last time modified</source>
         <translation>Son değiştirilme zamanı</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="234"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="235"/>
         <source>Application</source>
         <translation>Uygulama</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="215"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="216"/>
         <source>Introduction: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="353"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="373"/>
         <source>Document</source>
         <translation>Belge</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="475"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="495"/>
         <source>Preview is not avaliable</source>
         <translation type="unfinished"></translation>
     </message>
@@ -170,55 +203,55 @@
 <context>
     <name>SettingsWidget</name>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="69"/>
-        <location filename="../../src/settings-widget.cpp" line="286"/>
-        <location filename="../../src/settings-widget.cpp" line="519"/>
+        <location filename="../../src/settings-widget.cpp" line="75"/>
+        <location filename="../../src/settings-widget.cpp" line="292"/>
+        <location filename="../../src/settings-widget.cpp" line="526"/>
         <source>Search</source>
         <translation>Ara</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="105"/>
-        <location filename="../../src/settings-widget.cpp" line="107"/>
+        <location filename="../../src/settings-widget.cpp" line="111"/>
+        <location filename="../../src/settings-widget.cpp" line="113"/>
         <source>...</source>
         <translation>...</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="117"/>
+        <location filename="../../src/settings-widget.cpp" line="123"/>
         <source>Following folders will not be searched. You can set it by adding and removing folders.</source>
         <translation>Aşağıdaki klasörler aranmayacaktır. Klasör ekleyip kaldırarak ayarlayabilirsiniz.</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="126"/>
+        <location filename="../../src/settings-widget.cpp" line="132"/>
         <source>Add ignored folders</source>
         <translation>Göz ardı edilen klasörleri ekleyin</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="149"/>
+        <location filename="../../src/settings-widget.cpp" line="155"/>
         <source>Please select search engine you preferred.</source>
         <translation>Lütfen tercih ettiğiniz arama motorunu seçin.</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="162"/>
+        <location filename="../../src/settings-widget.cpp" line="168"/>
         <source>baidu</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="164"/>
+        <location filename="../../src/settings-widget.cpp" line="170"/>
         <source>sougou</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="166"/>
+        <location filename="../../src/settings-widget.cpp" line="172"/>
         <source>360</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="408"/>
+        <location filename="../../src/settings-widget.cpp" line="415"/>
         <source>Cancel</source>
         <translation>İptal</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="347"/>
+        <location filename="../../src/settings-widget.cpp" line="353"/>
         <source>Creating ...</source>
         <translation>Oluşturuluyor...</translation>
     </message>
@@ -232,102 +265,102 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="98"/>
+        <location filename="../../src/settings-widget.cpp" line="104"/>
         <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
         <translation>&lt;h2&gt;Ayarlar&lt;/h2&gt;</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="103"/>
+        <location filename="../../src/settings-widget.cpp" line="109"/>
         <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
         <translation>&lt;h3&gt;Dizin Durumu&lt;/h3&gt;</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="115"/>
+        <location filename="../../src/settings-widget.cpp" line="121"/>
         <source>&lt;h3&gt;File Index Settings&lt;/h3&gt;</source>
         <translation>&lt;h3&gt;Dosya Dizini Ayarları&lt;/h3&gt;</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="147"/>
+        <location filename="../../src/settings-widget.cpp" line="153"/>
         <source>&lt;h3&gt;Search Engine Settings&lt;/h3&gt;</source>
         <translation>&lt;h3&gt;SArama Motoru Ayarları&lt;/h3&gt;</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="286"/>
+        <location filename="../../src/settings-widget.cpp" line="292"/>
         <source>Whether to delete this directory?</source>
         <translation>Bu dizini silinsin mi?</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="287"/>
+        <location filename="../../src/settings-widget.cpp" line="293"/>
         <source>Yes</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="288"/>
+        <location filename="../../src/settings-widget.cpp" line="294"/>
         <source>No</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="350"/>
+        <location filename="../../src/settings-widget.cpp" line="356"/>
         <source>Done</source>
         <translation>Tamam</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="358"/>
+        <location filename="../../src/settings-widget.cpp" line="364"/>
         <source>Index Entry: %1</source>
         <translation>Dizin Girişi: %1</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="402"/>
+        <location filename="../../src/settings-widget.cpp" line="409"/>
         <source>Directories</source>
         <translation>Dizinler</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="403"/>
+        <location filename="../../src/settings-widget.cpp" line="410"/>
         <source>select blocked folder</source>
         <translation>engellenen klasörü seç</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="404"/>
+        <location filename="../../src/settings-widget.cpp" line="411"/>
         <source>Select</source>
         <translation>Seç</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="405"/>
+        <location filename="../../src/settings-widget.cpp" line="412"/>
         <source>Position: </source>
         <translation>Pozisyon: </translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="406"/>
+        <location filename="../../src/settings-widget.cpp" line="413"/>
         <source>FileName: </source>
         <translation>Dosya Adı: </translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="407"/>
+        <location filename="../../src/settings-widget.cpp" line="414"/>
         <source>FileType: </source>
         <translation>Dosya Türü: </translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="503"/>
+        <location filename="../../src/settings-widget.cpp" line="510"/>
         <source>Choosen path is Empty!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="507"/>
+        <location filename="../../src/settings-widget.cpp" line="514"/>
         <source>Choosen path is not in &quot;home&quot;!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="511"/>
+        <location filename="../../src/settings-widget.cpp" line="518"/>
         <source>Its&apos; parent folder has been blocked!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="515"/>
+        <location filename="../../src/settings-widget.cpp" line="522"/>
         <source>Set blocked folder failed!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="520"/>
+        <location filename="../../src/settings-widget.cpp" line="527"/>
         <source>OK</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/translations/ukui-search/zh_CN.ts b/translations/ukui-search/zh_CN.ts
index 983c03b..cd6710b 100644
--- a/translations/ukui-search/zh_CN.ts
+++ b/translations/ukui-search/zh_CN.ts
@@ -4,61 +4,94 @@
 <context>
     <name>ContentWidget</name>
     <message>
-        <location filename="../../src/content-widget.cpp" line="377"/>
+        <location filename="../../src/content-widget.cpp" line="364"/>
         <source>Recently Opened</source>
         <translation>最近</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="413"/>
+        <location filename="../../src/content-widget.cpp" line="400"/>
         <source>Open Quickly</source>
         <translation>快速入口</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="414"/>
+        <location filename="../../src/content-widget.cpp" line="401"/>
         <source>Commonly Used</source>
         <translation>常用</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="681"/>
+        <location filename="../../src/content-widget.cpp" line="668"/>
         <source>Apps</source>
         <translation>应用</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="683"/>
+        <location filename="../../src/content-widget.cpp" line="670"/>
         <source>Settings</source>
         <translation>配置项</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="685"/>
+        <location filename="../../src/content-widget.cpp" line="672"/>
         <source>Files</source>
         <translation>文件</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="687"/>
+        <location filename="../../src/content-widget.cpp" line="674"/>
         <source>Dirs</source>
         <translation>文件夹</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="689"/>
+        <location filename="../../src/content-widget.cpp" line="676"/>
         <source>File Contents</source>
         <translation>文件内容</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="691"/>
+        <location filename="../../src/content-widget.cpp" line="678"/>
         <source>Best Matches</source>
         <translation>最佳匹配</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="693"/>
+        <location filename="../../src/content-widget.cpp" line="680"/>
         <source>Web Pages</source>
         <translation>网页</translation>
     </message>
     <message>
-        <location filename="../../src/content-widget.cpp" line="695"/>
+        <location filename="../../src/content-widget.cpp" line="682"/>
         <source>Unknown</source>
         <translation>未知</translation>
     </message>
 </context>
+<context>
+    <name>CreateIndexAskDialog</name>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="28"/>
+        <source>ukui-search</source>
+        <translation type="unfinished">搜索</translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="50"/>
+        <source>Search</source>
+        <translation type="unfinished">搜索</translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="75"/>
+        <source>Creating index can help you getting results quickly, whether to create or not?</source>
+        <translation type="unfinished">创建索引可以快速获取搜索结果，是否创建？</translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="84"/>
+        <source>Don&apos;t remind</source>
+        <translation type="unfinished">不再提醒</translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="95"/>
+        <source>No</source>
+        <translation type="unfinished">否(N)</translation>
+    </message>
+    <message>
+        <location filename="../../src/create-index-ask-dialog.cpp" line="97"/>
+        <source>Yes</source>
+        <translation type="unfinished">是(Y)</translation>
+    </message>
+</context>
 <context>
     <name>FolderListItem</name>
     <message>
@@ -70,17 +103,17 @@
 <context>
     <name>MainWindow</name>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="75"/>
+        <location filename="../../src/mainwindow.cpp" line="66"/>
         <source>ukui-search</source>
         <translation>搜索</translation>
     </message>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="126"/>
+        <location filename="../../src/mainwindow.cpp" line="120"/>
         <source>Global Search</source>
         <translation>搜索</translation>
     </message>
     <message>
-        <location filename="../../src/mainwindow.cpp" line="188"/>
+        <location filename="../../src/mainwindow.cpp" line="196"/>
         <source>Search</source>
         <translation>搜索</translation>
     </message>
@@ -121,7 +154,7 @@
 <context>
     <name>QObject</name>
     <message>
-        <location filename="../../src/main.cpp" line="182"/>
+        <location filename="../../src/main.cpp" line="191"/>
         <source>ukui-search is already running!</source>
         <translation></translation>
     </message>
@@ -129,7 +162,7 @@
 <context>
     <name>SearchBarHLayout</name>
     <message>
-        <location filename="../../src/input-box.cpp" line="120"/>
+        <location filename="../../src/input-box.cpp" line="126"/>
         <source>Search</source>
         <translation>搜索</translation>
     </message>
@@ -137,32 +170,32 @@
 <context>
     <name>SearchDetailView</name>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="525"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="545"/>
         <source>Path</source>
         <translation>路径</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="533"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="553"/>
         <source>Last time modified</source>
         <translation>上次修改时间</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="234"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="235"/>
         <source>Application</source>
         <translation>应用</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="215"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="216"/>
         <source>Introduction: %1</source>
         <translation>软件介绍: %1</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="353"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="373"/>
         <source>Document</source>
         <translation>文件</translation>
     </message>
     <message>
-        <location filename="../../src/control/search-detail-view.cpp" line="475"/>
+        <location filename="../../src/control/search-detail-view.cpp" line="495"/>
         <source>Preview is not avaliable</source>
         <translation>当前预览不可用</translation>
     </message>
@@ -175,115 +208,115 @@
         <translation>搜索</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="69"/>
-        <location filename="../../src/settings-widget.cpp" line="286"/>
-        <location filename="../../src/settings-widget.cpp" line="519"/>
+        <location filename="../../src/settings-widget.cpp" line="75"/>
+        <location filename="../../src/settings-widget.cpp" line="292"/>
+        <location filename="../../src/settings-widget.cpp" line="526"/>
         <source>Search</source>
         <translation>搜索</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="98"/>
+        <location filename="../../src/settings-widget.cpp" line="104"/>
         <source>&lt;h2&gt;Settings&lt;/h2&gt;</source>
         <translation>&lt;h2&gt;设置&lt;/h2&gt;</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="103"/>
+        <location filename="../../src/settings-widget.cpp" line="109"/>
         <source>&lt;h3&gt;Index State&lt;/h3&gt;</source>
         <translation>&lt;h3&gt;索引状态&lt;/h3&gt;</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="105"/>
-        <location filename="../../src/settings-widget.cpp" line="107"/>
+        <location filename="../../src/settings-widget.cpp" line="111"/>
+        <location filename="../../src/settings-widget.cpp" line="113"/>
         <source>...</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="115"/>
+        <location filename="../../src/settings-widget.cpp" line="121"/>
         <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>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="117"/>
+        <location filename="../../src/settings-widget.cpp" line="123"/>
         <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>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="126"/>
+        <location filename="../../src/settings-widget.cpp" line="132"/>
         <source>Add ignored folders</source>
         <translation>添加文件夹至黑名单</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="147"/>
+        <location filename="../../src/settings-widget.cpp" line="153"/>
         <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>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="149"/>
+        <location filename="../../src/settings-widget.cpp" line="155"/>
         <source>Please select search engine you preferred.</source>
         <translation>设置互联网搜索引擎</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="162"/>
+        <location filename="../../src/settings-widget.cpp" line="168"/>
         <source>baidu</source>
         <translation>百度</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="164"/>
+        <location filename="../../src/settings-widget.cpp" line="170"/>
         <source>sougou</source>
         <translation>搜狗</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="166"/>
+        <location filename="../../src/settings-widget.cpp" line="172"/>
         <source>360</source>
         <translation>360</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="286"/>
+        <location filename="../../src/settings-widget.cpp" line="292"/>
         <source>Whether to delete this directory?</source>
         <translation>是否要删除此目录</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="287"/>
+        <location filename="../../src/settings-widget.cpp" line="293"/>
         <source>Yes</source>
         <translation>是(Y)</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="288"/>
+        <location filename="../../src/settings-widget.cpp" line="294"/>
         <source>No</source>
         <translation>否(N)</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="408"/>
+        <location filename="../../src/settings-widget.cpp" line="415"/>
         <source>Cancel</source>
         <translation>取消</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="503"/>
+        <location filename="../../src/settings-widget.cpp" line="510"/>
         <source>Choosen path is Empty!</source>
         <translation>选择的路径不存在！</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="507"/>
+        <location filename="../../src/settings-widget.cpp" line="514"/>
         <source>Choosen path is not in &quot;home&quot;!</source>
         <translation>请选择家目录下的文件夹！</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="511"/>
+        <location filename="../../src/settings-widget.cpp" line="518"/>
         <source>Its&apos; parent folder has been blocked!</source>
         <translation>父文件夹已被屏蔽！</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="515"/>
+        <location filename="../../src/settings-widget.cpp" line="522"/>
         <source>Set blocked folder failed!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="520"/>
+        <location filename="../../src/settings-widget.cpp" line="527"/>
         <source>OK</source>
         <translation>好的</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="347"/>
+        <location filename="../../src/settings-widget.cpp" line="353"/>
         <source>Creating ...</source>
         <translation>正在索引</translation>
     </message>
@@ -292,42 +325,42 @@
         <translation type="vanished">搜索</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="350"/>
+        <location filename="../../src/settings-widget.cpp" line="356"/>
         <source>Done</source>
         <translation>索引完成</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="358"/>
+        <location filename="../../src/settings-widget.cpp" line="364"/>
         <source>Index Entry: %1</source>
         <translation>索引项: %1</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="402"/>
+        <location filename="../../src/settings-widget.cpp" line="409"/>
         <source>Directories</source>
         <translation>文件夹</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="403"/>
+        <location filename="../../src/settings-widget.cpp" line="410"/>
         <source>select blocked folder</source>
         <translation>选择屏蔽文件夹</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="404"/>
+        <location filename="../../src/settings-widget.cpp" line="411"/>
         <source>Select</source>
         <translation>选择</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="405"/>
+        <location filename="../../src/settings-widget.cpp" line="412"/>
         <source>Position: </source>
         <translation>位置：</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="406"/>
+        <location filename="../../src/settings-widget.cpp" line="413"/>
         <source>FileName: </source>
         <translation>名称：</translation>
     </message>
     <message>
-        <location filename="../../src/settings-widget.cpp" line="407"/>
+        <location filename="../../src/settings-widget.cpp" line="414"/>
         <source>FileType: </source>
         <translation>类型：</translation>
     </message>