diff --git a/libsearch/plugininterface/common-defines.h b/libsearch/plugininterface/common-defines.h
index 290d009..0107a89 100644
--- a/libsearch/plugininterface/common-defines.h
+++ b/libsearch/plugininterface/common-defines.h
@@ -3,13 +3,13 @@
 namespace UkuiSearch {
 enum class SearchType
 {
-    File = 0,
-    FileContent,
-    Application,
-    Setting,
-    Note,
-    Mail,
-    Custom
+    File        = 0x1 << 0,
+    FileContent = 0x1 << 1,
+    Application = 0x1 << 2,
+    Setting     = 0x1 << 3,
+    Note        = 0x1 << 4,
+    Mail        = 0x1 << 5,
+    Custom      = 0x1 << 6
 };
 }
 #endif // COMMONDEFINES_H
diff --git a/libsearch/plugininterface/search-task-plugin-iface.h b/libsearch/plugininterface/search-task-plugin-iface.h
index 43bd0aa..c905355 100644
--- a/libsearch/plugininterface/search-task-plugin-iface.h
+++ b/libsearch/plugininterface/search-task-plugin-iface.h
@@ -17,7 +17,7 @@ public:
     virtual QString getCustomSearchType() = 0;
     virtual SearchType getSearchType() = 0;
     //Asynchronous,multithread.
-    virtual void startSearch(SearchController searchController) = 0;
+    virtual void startSearch(std::shared_ptr<SearchController> searchController) = 0;
     virtual void stop() = 0;
 Q_SIGNALS:
     void searchFinished(size_t searchId);
diff --git a/libsearch/pluginmanage/search-task-plugin-manager.cpp b/libsearch/pluginmanage/search-task-plugin-manager.cpp
index 1c4bb6a..3678d26 100644
--- a/libsearch/pluginmanage/search-task-plugin-manager.cpp
+++ b/libsearch/pluginmanage/search-task-plugin-manager.cpp
@@ -1,5 +1,7 @@
 #include "search-task-plugin-manager.h"
 #include <QDebug>
+
+#include "file-search-task.h"
 using namespace UkuiSearch;
 static SearchTaskPluginManager *global_instance = nullptr;
 SearchTaskPluginManager *SearchTaskPluginManager::getInstance()
@@ -10,6 +12,14 @@ SearchTaskPluginManager *SearchTaskPluginManager::getInstance()
     return global_instance;
 }
 
+void SearchTaskPluginManager::initPlugins(SearchType searchType)
+{
+    size_t type = static_cast<size_t>(searchType);
+    if (type & static_cast<size_t>(SearchType::File)) {
+        registerBuildinPlugin(new FileSearchTask(this));
+    }
+}
+
 bool SearchTaskPluginManager::registerPlugin(SearchTaskPluginIface *plugin)
 {
     //这里把内部插件和外部插件分开写是考虑到异常处理，因为内部插件我们可以保证质量，但外部插件可能有各种各样的问题。
@@ -26,34 +36,34 @@ bool SearchTaskPluginManager::registerPlugin(SearchTaskPluginIface *plugin)
 
 bool SearchTaskPluginManager::registerBuildinPlugin(SearchTaskPluginIface *plugin)
 {
-    m_buildinPlugin.insert(static_cast<int>(plugin->getSearchType()), plugin);
+    m_buildinPlugin.insert(static_cast<size_t>(plugin->getSearchType()), plugin);
     connect(plugin, &SearchTaskPluginIface::searchFinished, this, &SearchTaskPluginManager::searchFinished);
     return true;
 }
 
 SearchTaskPluginManager::SearchTaskPluginManager(QObject *parent) : QObject(parent)
 {
-    //register buildin plugin into m_buildinPlugin
-    //registerBuildinPlugin();
 }
 
-void SearchTaskPluginManager::pluginSearch(SearchType searchType, SearchController searchController)
+void SearchTaskPluginManager::pluginSearch(SearchType searchType, std::shared_ptr<SearchController> searchController)
 {
-    int type = static_cast<int>(searchType);
+    size_t type = static_cast<size_t>(searchType);
+    qDebug() << "search type" << type;
     if(m_buildinPlugin.contains(type)) {
         if(!m_buildinPlugin.value(type)->isEnable()) {
-            Q_EMIT this->pluginDisable(searchController.getCurrentSearchId());
+            Q_EMIT this->pluginDisable(searchController.get()->getCurrentSearchId());
             return;
         }
+        qDebug() << "start search";
         m_buildinPlugin.value(type)->startSearch(searchController);
     }
 }
 
-void SearchTaskPluginManager::pluginSearch(QString customSearchType, SearchController searchController)
+void SearchTaskPluginManager::pluginSearch(QString customSearchType, std::shared_ptr<SearchController> searchController)
 {
     if(m_loadedPlugin.contains(customSearchType)) {
         if(!m_loadedPlugin.value(customSearchType)->isEnable()) {
-            Q_EMIT this->pluginDisable(searchController.getCurrentSearchId());
+            Q_EMIT this->pluginDisable(searchController.get()->getCurrentSearchId());
             return;
         }
         m_loadedPlugin.value(customSearchType)->startSearch(searchController);
diff --git a/libsearch/pluginmanage/search-task-plugin-manager.h b/libsearch/pluginmanage/search-task-plugin-manager.h
index 0435b21..0c6f751 100644
--- a/libsearch/pluginmanage/search-task-plugin-manager.h
+++ b/libsearch/pluginmanage/search-task-plugin-manager.h
@@ -10,10 +10,11 @@ class SearchTaskPluginManager : public QObject
     Q_OBJECT
 public:
     static SearchTaskPluginManager *getInstance();
+    void initPlugins(SearchType searchType);
     bool registerPlugin(SearchTaskPluginIface *plugin);
     bool registerBuildinPlugin(SearchTaskPluginIface *plugin);
-    void pluginSearch(SearchType searchType, SearchController searchController);
-    void pluginSearch(QString customSearchType, SearchController searchController);
+    void pluginSearch(SearchType searchType, std::shared_ptr<SearchController> searchController);
+    void pluginSearch(QString customSearchType, std::shared_ptr<SearchController> searchController);
 Q_SIGNALS:
     void searchFinished(size_t searchId);
     void pluginDisable(size_t searchId);
@@ -21,7 +22,7 @@ private:
     explicit SearchTaskPluginManager(QObject *parent = nullptr);
 
     //这里初衷是把内外部插件分开管理，内部插件可以增加枚举值，外部插件似乎只能用编写者自定义的字符串区分？
-    QHash<int, SearchTaskPluginIface*> m_buildinPlugin;
+    QHash<size_t, SearchTaskPluginIface*> m_buildinPlugin;
     QHash<QString, SearchTaskPluginIface*> m_loadedPlugin;
 
 };
diff --git a/libsearch/searchinterface/result-item-private.h b/libsearch/searchinterface/result-item-private.h
index 826c6ef..3c3a5d7 100644
--- a/libsearch/searchinterface/result-item-private.h
+++ b/libsearch/searchinterface/result-item-private.h
@@ -10,6 +10,8 @@ public:
     ~ResultItemPrivate();
     void setSearchId(size_t searchId);
     void setItemKey(QString itemKey);
+    size_t getSearchId();
+    QString getItemKey();
 private:
     size_t m_searchId;
     QString m_itemKey;
diff --git a/libsearch/searchinterface/result-item.cpp b/libsearch/searchinterface/result-item.cpp
index 5910a50..8b6d0e5 100644
--- a/libsearch/searchinterface/result-item.cpp
+++ b/libsearch/searchinterface/result-item.cpp
@@ -19,6 +19,16 @@ void ResultItemPrivate::setItemKey(QString itemKey)
 {
     m_itemKey = itemKey;
 }
+
+size_t ResultItemPrivate::getSearchId()
+{
+    return m_searchId;
+}
+
+QString ResultItemPrivate::getItemKey()
+{
+    return m_itemKey;
+}
 ResultItem::ResultItem() : d(new ResultItemPrivate(this))
 {
 }
@@ -39,6 +49,16 @@ ResultItem::ResultItem(const size_t searchId, const QString itemKey) : d(new Res
     d->setItemKey(itemKey);
 }
 
+size_t ResultItem::getSearchId()
+{
+    return d->getSearchId();
+}
+
+QString ResultItem::getItemKey()
+{
+    return d->getItemKey();
+}
+
 ResultItem::~ResultItem()
 {
 }
diff --git a/libsearch/searchinterface/result-item.h b/libsearch/searchinterface/result-item.h
index be32ae3..5e159bc 100644
--- a/libsearch/searchinterface/result-item.h
+++ b/libsearch/searchinterface/result-item.h
@@ -12,6 +12,8 @@ public:
     explicit ResultItem(const size_t searchId);
     explicit ResultItem(const QString itemKey);
     explicit ResultItem(const size_t searchId, const QString itemKey);
+    size_t getSearchId();
+    QString getItemKey();
     ~ResultItem();
 private:
     ResultItemPrivate *d;
diff --git a/libsearch/searchinterface/search-controller.cpp b/libsearch/searchinterface/search-controller.cpp
index aa3d47a..c6a0481 100644
--- a/libsearch/searchinterface/search-controller.cpp
+++ b/libsearch/searchinterface/search-controller.cpp
@@ -171,7 +171,10 @@ SearchController::SearchController(std::shared_ptr<SearchController> parent) : m
 
 SearchController::~SearchController()
 {
-    delete d;
+    if(d) {
+        delete d;
+        d = nullptr;
+    }
 }
 
 DataQueue<ResultItem> *SearchController::refreshDataqueue()
diff --git a/libsearch/searchinterface/search-controller.h b/libsearch/searchinterface/search-controller.h
index 866dbad..7113061 100644
--- a/libsearch/searchinterface/search-controller.h
+++ b/libsearch/searchinterface/search-controller.h
@@ -19,6 +19,8 @@ class SearchController
     friend class SearchControllerPrivate;
 public:
     explicit SearchController(std::shared_ptr<SearchController> parent = nullptr);
+    SearchController(SearchController &) = delete;
+    SearchController &operator =(const SearchController &) = delete;
     ~SearchController();
     DataQueue<ResultItem>* refreshDataqueue();
     size_t refreshSearchId();
diff --git a/libsearch/searchinterface/searchtasks/file-search-task.cpp b/libsearch/searchinterface/searchtasks/file-search-task.cpp
index 4b9d70e..cb6a328 100644
--- a/libsearch/searchinterface/searchtasks/file-search-task.cpp
+++ b/libsearch/searchinterface/searchtasks/file-search-task.cpp
@@ -1,7 +1,13 @@
 #include "file-search-task.h"
+#include <QDir>
+#include <QFile>
+#include <QQueue>
+#include <QDebug>
 using namespace UkuiSearch;
-FileSearchTask::FileSearchTask(SearchController searchController): m_searchControl(searchController)
+FileSearchTask::FileSearchTask(QObject *parent)
 {
+    this->setParent(parent);
+    qRegisterMetaType<size_t>("size_t");
     m_pool = new QThreadPool(this);
     m_pool->setMaxThreadCount(1);
 }
@@ -21,7 +27,7 @@ QString FileSearchTask::getCustomSearchType()
     return "File";
 }
 
-void FileSearchTask::startSearch(SearchController searchController)
+void FileSearchTask::startSearch(std::shared_ptr<SearchController> searchController)
 {
     FileSearchWorker *fileSearchWorker;
     fileSearchWorker = new FileSearchWorker(this, searchController);
@@ -38,35 +44,56 @@ void FileSearchTask::sendFinishSignal(size_t searchId)
     Q_EMIT searchFinished(searchId);
 }
 
-void FileSearchTask::run()
-{
-    //file search, based on index or direct search?
-    //1.do search
-    if(m_searchControl.beginSearchIdCheck(m_searchControl.getCurrentSearchId())) {
 
-        //do enqueue here
-        m_searchControl.finishSearchIdCheck();
-    }
-    m_searchControl.finishSearchIdCheck();
-    //finish
-}
-
-FileSearchWorker::FileSearchWorker(FileSearchTask *fileSarchTask, SearchController searchController) : m_FileSearchTask(fileSarchTask), m_searchController(searchController)
+FileSearchWorker::FileSearchWorker(FileSearchTask *fileSarchTask, std::shared_ptr<SearchController> searchController) : m_FileSearchTask(fileSarchTask), m_searchController(searchController)
 {
 }
 
 void FileSearchWorker::run()
 {
+    qDebug() << "File search start";
     //TODO do search here
-
-    size_t searchId = m_searchController.getCurrentSearchId();
-    ResultItem ri(searchId);
-    if(m_searchController.beginSearchIdCheck(m_searchController.getCurrentSearchId())) {
-        m_searchController.getDataQueue()->enqueue(ri);
-        m_searchController.finishSearchIdCheck();
+    QQueue<QString> bfs;
+    bfs.enqueue(QDir::homePath());
+    QFileInfoList list;
+    QDir dir;
+    if(true == m_searchController.get()->isSearchDirOnly()) {
+         dir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
     } else {
-        m_searchController.finishSearchIdCheck();
-        return;
+        dir.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
+        dir.setSorting(QDir::DirsFirst);
     }
-    QMetaObject::invokeMethod(m_FileSearchTask, "searchFinished", Q_ARG(size_t, searchId));
+    while(!bfs.empty()) {
+        dir.setPath(bfs.dequeue());
+        list = dir.entryInfoList();
+        for (auto i : list) {
+            if (i.isDir() && (!(i.isSymLink()))) {
+                bfs.enqueue(i.absoluteFilePath());
+            }
+            bool matched = true;
+            for(QString word : m_searchController.get()->getKeyword()) {
+                if(!i.fileName().contains(word, Qt::CaseInsensitive)) {
+                    matched = false;
+//                    return;
+                }
+            }
+            if(matched) {
+                if((i.isDir() && true == m_searchController.get()->isSearchFileOnly()) ||
+                   (i.isFile() && true == m_searchController.get()->isSearchDirOnly())) {
+                    continue;
+                } else {
+                    ResultItem ri(m_searchController.get()->getCurrentSearchId(), i.absoluteFilePath());
+                    if(m_searchController.get()->beginSearchIdCheck(m_searchController.get()->getCurrentSearchId())) {
+                        m_searchController.get()->getDataQueue()->enqueue(ri);
+                        m_searchController.get()->finishSearchIdCheck();
+                    } else {
+                        qDebug() << "Search id changed!";
+                        m_searchController.get()->finishSearchIdCheck();
+                        return;
+                    }
+                }
+            }
+        }
+    }
+    QMetaObject::invokeMethod(m_FileSearchTask, "searchFinished", Q_ARG(size_t, m_searchController.get()->getCurrentSearchId()));
 }
diff --git a/libsearch/searchinterface/searchtasks/file-search-task.h b/libsearch/searchinterface/searchtasks/file-search-task.h
index 5323b13..9c3082b 100644
--- a/libsearch/searchinterface/searchtasks/file-search-task.h
+++ b/libsearch/searchinterface/searchtasks/file-search-task.h
@@ -15,35 +15,33 @@ class FileSearchTask : public SearchTaskPluginIface
 {
     Q_OBJECT
 public:
-    explicit FileSearchTask(SearchController searchController);
+    explicit FileSearchTask(QObject *parent);
     PluginType pluginType() {return PluginType::SearchTaskPlugin;}
     const QString name();
     const QString description();
     const QIcon icon() {return QIcon::fromTheme("folder");}
-    void setEnable() {}
+    void setEnable(bool enable) {}
     bool isEnable() { return true;}
 
     SearchType getSearchType() {return SearchType::File;}
     QString getCustomSearchType();
-    void startSearch(SearchController searchController);
+    void startSearch(std::shared_ptr<SearchController> searchController);
     void stop();
     Q_INVOKABLE void sendFinishSignal(size_t searchId);
-protected:
-    void run();
+
 private:
-    SearchController m_searchControl;
     QThreadPool *m_pool = nullptr;
 };
 
 class FileSearchWorker : public QRunnable
 {
 public:
-    explicit FileSearchWorker(FileSearchTask *fileSarchTask, SearchController searchController);
+    explicit FileSearchWorker(FileSearchTask *fileSarchTask, std::shared_ptr<SearchController> searchController);
 protected:
     void run();
 private:
     FileSearchTask *m_FileSearchTask;
-    SearchController m_searchController;
+    std::shared_ptr<SearchController> m_searchController;
 };
 }
 #endif // FILESEARCHTASK_H
diff --git a/libsearch/searchinterface/ukui-search-task-private.h b/libsearch/searchinterface/ukui-search-task-private.h
index 10ddd13..56a31b4 100644
--- a/libsearch/searchinterface/ukui-search-task-private.h
+++ b/libsearch/searchinterface/ukui-search-task-private.h
@@ -23,6 +23,7 @@ public:
     void setOnlySearchFile(bool onlySearchFile);
     void setOnlySearchDir(bool onlySearchDir);
     void setSearchOnlineApps(bool searchOnlineApps);
+    void initSearchPlugin(SearchType searchType);
     size_t startSearch(SearchType searchtype, QString customSearchType = QString());
     void stop();
 
diff --git a/libsearch/searchinterface/ukui-search-task.cpp b/libsearch/searchinterface/ukui-search-task.cpp
index acdd2b0..c5ac029 100644
--- a/libsearch/searchinterface/ukui-search-task.cpp
+++ b/libsearch/searchinterface/ukui-search-task.cpp
@@ -8,6 +8,7 @@ UkuiSearchTaskPrivate::UkuiSearchTaskPrivate(UkuiSearchTask *parent)
       q(parent)
 {
     m_searchCotroller = std::shared_ptr<SearchController>(new SearchController());
+    connect(SearchTaskPluginManager::getInstance(), &SearchTaskPluginManager::searchFinished, this, &UkuiSearchTaskPrivate::searchFinished);
 }
 
 UkuiSearchTaskPrivate::~UkuiSearchTaskPrivate()
@@ -54,6 +55,11 @@ void UkuiSearchTaskPrivate::setSearchOnlineApps(bool searchOnlineApps)
 {
 }
 
+void UkuiSearchTaskPrivate::initSearchPlugin(SearchType searchType)
+{
+    SearchTaskPluginManager::getInstance()->initPlugins(searchType);
+}
+
 size_t UkuiSearchTaskPrivate::startSearch(SearchType searchtype, QString customSearchType)
 {
 
@@ -64,9 +70,9 @@ size_t UkuiSearchTaskPrivate::startSearch(SearchType searchtype, QString customS
 
     //plugin manager do async search here
     if(SearchType::Custom != searchtype) {
-        SearchTaskPluginManager::getInstance()->pluginSearch(searchtype, SearchController(m_searchCotroller));
+        SearchTaskPluginManager::getInstance()->pluginSearch(searchtype, m_searchCotroller);
     } else {
-        SearchTaskPluginManager::getInstance()->pluginSearch(customSearchType, SearchController(m_searchCotroller));
+        SearchTaskPluginManager::getInstance()->pluginSearch(customSearchType, m_searchCotroller);
 
     }
 
@@ -127,6 +133,11 @@ void UkuiSearchTask::setSearchOnlineApps(bool searchOnlineApps)
     d->setSearchOnlineApps(searchOnlineApps);
 }
 
+void UkuiSearchTask::initSearchPlugin(SearchType searchType)
+{
+    d->initSearchPlugin(searchType);
+}
+
 size_t UkuiSearchTask::startSearch(SearchType searchtype, QString customSearchType)
 {
     return d->startSearch(searchtype, customSearchType);
diff --git a/libsearch/searchinterface/ukui-search-task.h b/libsearch/searchinterface/ukui-search-task.h
index 6f6fc9e..8cdda5b 100644
--- a/libsearch/searchinterface/ukui-search-task.h
+++ b/libsearch/searchinterface/ukui-search-task.h
@@ -20,6 +20,7 @@ public:
     void setOnlySearchFile(bool onlySearchFile);
     void setOnlySearchDir(bool onlySearchDir);
     void setSearchOnlineApps(bool searchOnlineApps);
+    void initSearchPlugin(SearchType searchType);
     size_t startSearch(SearchType searchtype, QString customSearchType = QString());
     void stop();