diff --git a/frontend/model/search-result-manager.cpp b/frontend/model/search-result-manager.cpp
index b12a3c0..b0811f8 100644
--- a/frontend/model/search-result-manager.cpp
+++ b/frontend/model/search-result-manager.cpp
@@ -19,6 +19,7 @@
  *
  */
 #include "search-result-manager.h"
+#include <QDeadlineTimer>
 
 using namespace UkuiSearch;
 SearchResultManager::SearchResultManager(const QString& plugin_id, QObject *parent) : QObject(parent)
@@ -71,24 +72,18 @@ void ReceiveResultThread::stop()
 
 void ReceiveResultThread::run()
 {
-    QTimer *timer = new QTimer;
-    timer->setInterval(3000);
-
+    QDeadlineTimer deadline(3000);
     while(!isInterruptionRequested()) {
         SearchPluginIface::ResultInfo oneResult = m_resultQueue->tryDequeue();
         if(oneResult.name.isEmpty()) {
-            if(!timer->isActive()) {
-                timer->start();
+            if(deadline.remainingTime()) {
+                msleep(100);
+            } else {
+                this->requestInterruption();
             }
-            msleep(100);
         } else {
-            timer->stop();
+            deadline.setRemainingTime(3000);
             Q_EMIT gotResultInfo(oneResult);
         }
-
-        if(timer->isActive() && timer->remainingTime() < 0.01 && m_resultQueue->isEmpty()) {
-            this->requestInterruption();
-        }
     }
-    delete m_timer;
 }
diff --git a/libsearch/appsearch/app-search-plugin.cpp b/libsearch/appsearch/app-search-plugin.cpp
index 3174d3d..55de443 100644
--- a/libsearch/appsearch/app-search-plugin.cpp
+++ b/libsearch/appsearch/app-search-plugin.cpp
@@ -22,6 +22,7 @@
 #include <QWidget>
 #include <QLabel>
 #include <qt5xdg/XdgIcon>
+#include <QDeadlineTimer>
 #include "file-utils.h"
 using namespace UkuiSearch;
 
@@ -36,11 +37,6 @@ AppSearchPlugin::AppSearchPlugin(QObject *parent) : QThread(parent), m_appSearch
 //    m_pool.setMaxThreadCount(1);
 //    m_pool.setExpiryTimeout(1000);
     initDetailPage();
-
-    m_timer = new QTimer;
-    m_timer->setInterval(3000);
-    m_timer->moveToThread(this);
-
     m_appSearchResults = m_appSearchTask->init();
     m_appSearchTask->initSearchPlugin(SearchProperty::SearchType::Application);
     m_appSearchTask->setSearchOnlineApps(true);
@@ -56,11 +52,6 @@ AppSearchPlugin::AppSearchPlugin(QObject *parent) : QThread(parent), m_appSearch
 AppSearchPlugin::~AppSearchPlugin()
 {
     this->wait();
-
-    if (m_timer) {
-        delete m_timer;
-        m_timer = nullptr;
-    }
 }
 
 const QString AppSearchPlugin::name()
@@ -182,18 +173,21 @@ QWidget *AppSearchPlugin::detailPage(const ResultInfo &ri)
 
 void AppSearchPlugin::run()
 {
+    QDeadlineTimer deadline(3000);
     while(!isInterruptionRequested()) {
         ResultItem oneResult = m_appSearchResults->tryDequeue();
         SearchResultPropertyMap data = oneResult.getAllValue();
         if(oneResult.getSearchId() == 0 && oneResult.getItemKey().isEmpty() && data.isEmpty()) {
-            if(!m_timer->isActive()) {
-                m_timer->start();
+            if(deadline.remainingTime()) {
+                msleep(100);
+            } else {
+                this->requestInterruption();
             }
-            msleep(100);
+
         } else {
-            m_timer->stop();
+            deadline.setRemainingTime(3000);
             SearchPluginIface::ResultInfo ri;
-            ri.actionKey = data.value(SearchProperty::SearchResultProperty::ApplicationDesktopPath).toString();
+
             ri.name = data.value(SearchProperty::SearchResultProperty::ApplicationLocalName).toString();
             ri.icon = XdgIcon::fromTheme(data.value(SearchProperty::SearchResultProperty::ApplicationIconName).toString(), QIcon(":/res/icons/unknown.svg"));
             SearchPluginIface::DescriptionInfo description;
@@ -203,13 +197,11 @@ void AppSearchPlugin::run()
             ri.type = data.value(SearchProperty::SearchResultProperty::IsOnlineApplication).toInt();
             if (ri.type == 1) {
                 ri.actionKey = data.value(SearchProperty::SearchResultProperty::ApplicationPkgName).toString();
+            } else {
+                ri.actionKey = data.value(SearchProperty::SearchResultProperty::ApplicationDesktopPath).toString();
             }
             m_searchResult->enqueue(ri);
         }
-
-        if(m_timer->isActive() && m_timer->remainingTime() < 0.01 && m_appSearchResults->isEmpty()) {
-            this->requestInterruption();
-        }
     }
 }
 
diff --git a/libsearch/appsearch/app-search-plugin.h b/libsearch/appsearch/app-search-plugin.h
index 12a4488..b03526e 100644
--- a/libsearch/appsearch/app-search-plugin.h
+++ b/libsearch/appsearch/app-search-plugin.h
@@ -59,7 +59,7 @@ public:
 //    bool isPreviewEnable(QString key, int type);
 //    QWidget *previewPage(QString key, int type, QWidget *parent);
     QWidget *detailPage(const ResultInfo &ri);
-    void run() override;
+    void run();
 private:
     void initDetailPage();
     bool launch(const QString &path);
@@ -69,8 +69,6 @@ private:
     bool m_enable = true;
     QList<SearchPluginIface::Actioninfo> m_actionInfo_installed;
     QList<SearchPluginIface::Actioninfo> m_actionInfo_not_installed;
-//    QThreadPool m_pool;
-    QTimer *m_timer;
 
     UkuiSearchTask *m_appSearchTask = nullptr;
     DataQueue<ResultItem>* m_appSearchResults = nullptr;
diff --git a/libsearch/plugininterface/search-task-plugin-iface.h b/libsearch/plugininterface/search-task-plugin-iface.h
index 59264c9..c525d1b 100644
--- a/libsearch/plugininterface/search-task-plugin-iface.h
+++ b/libsearch/plugininterface/search-task-plugin-iface.h
@@ -20,7 +20,7 @@
 #ifndef SEARCHTASKPLUGINIFACE_H
 #define SEARCHTASKPLUGINIFACE_H
 #define SearchTaskPluginIface_iid "org.ukui.ukui-search.plugin-iface.SearchTaskPluginIface"
-#define SEARCH_TASK_PLUGIN_IFACE_VERSION "1.0.0"
+#define SEARCH_TASK_PLUGIN_IFACE_VERSION "1.1.0"
 
 #include <QObject>
 #include <QtPlugin>
@@ -34,10 +34,11 @@ class SearchTaskPluginIface : public QObject, public PluginInterface
 {
     Q_OBJECT
 public:
+    virtual void setController(const std::shared_ptr<SearchController> &searchController) = 0;
     virtual QString getCustomSearchType() = 0;
     virtual SearchProperty::SearchType getSearchType() = 0;
     //Asynchronous,multithread.
-    virtual void startSearch(std::shared_ptr<SearchController> searchController) = 0;
+    virtual void startSearch() = 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 91e0cba..01e9fa8 100644
--- a/libsearch/pluginmanage/search-task-plugin-manager.cpp
+++ b/libsearch/pluginmanage/search-task-plugin-manager.cpp
@@ -88,7 +88,7 @@ void SearchTaskPluginManager::pluginSearch(SearchProperty::SearchType searchType
             return;
         }
         qDebug() << "start search";
-        m_buildinPlugin.value(type)->startSearch(searchController);
+        m_buildinPlugin.value(type)->startSearch();
     } else {
         Q_EMIT this->searchError(searchController.get()->getCurrentSearchId(), tr("plugin type: %1, is not registered!").arg(type));
     }
@@ -101,13 +101,13 @@ void SearchTaskPluginManager::pluginSearch(QString customSearchType, std::shared
             Q_EMIT this->searchError(searchController.get()->getCurrentSearchId(), tr("plugin type: %1, is disabled!").arg(customSearchType));
             return;
         }
-        m_loadedPlugin.value(customSearchType)->startSearch(searchController);
+        m_loadedPlugin.value(customSearchType)->startSearch();
     } else {
         Q_EMIT this->searchError(searchController.get()->getCurrentSearchId(), tr("plugin type: %1, is not registered!").arg(customSearchType));
     }
 }
 
-bool SearchTaskPluginManager::startSearch(const QUuid &uuid, std::shared_ptr<SearchController> searchController, SearchProperty::SearchType searchType, const QString &customType)
+bool SearchTaskPluginManager::startSearch(const QUuid &uuid, SearchProperty::SearchType searchType, const QString &customType)
 {
     if (m_managedPlugins.contains(uuid)) {
         ManagedPlugin* managedPlugin = m_managedPlugins.value(uuid);
@@ -121,7 +121,7 @@ bool SearchTaskPluginManager::startSearch(const QUuid &uuid, std::shared_ptr<Sea
         }
 
         if (plugin) {
-            plugin->startSearch(std::move(searchController));
+            plugin->startSearch();
             return true;
         }
     }
diff --git a/libsearch/pluginmanage/search-task-plugin-manager.h b/libsearch/pluginmanage/search-task-plugin-manager.h
index 5b8c685..d1429fa 100644
--- a/libsearch/pluginmanage/search-task-plugin-manager.h
+++ b/libsearch/pluginmanage/search-task-plugin-manager.h
@@ -56,10 +56,8 @@ public:
     bool registerBuildinPlugin(SearchTaskPluginIface *plugin);
     void pluginSearch(SearchProperty::SearchType searchType, std::shared_ptr<SearchController> searchController);
     void pluginSearch(QString customSearchType, std::shared_ptr<SearchController> searchController);
-    bool startSearch(const QUuid&, std::shared_ptr<SearchController>, SearchProperty::SearchType, const QString& customType = QString());
+    bool startSearch(const QUuid&, SearchProperty::SearchType, const QString& customType = QString());
     void destroyPlugins(const QUuid& uuid);
-
-    SearchTaskPluginIface *getPlugin(SearchProperty::SearchType searchType, const QString& customType = QString());
     void registerPluginPath(const QString& customType, const QString& pluginPath);
 
 Q_SIGNALS:
@@ -68,6 +66,7 @@ Q_SIGNALS:
 
 private:
     explicit SearchTaskPluginManager(QObject *parent = nullptr);
+    SearchTaskPluginIface *getPlugin(SearchProperty::SearchType searchType, const QString& customType = QString());
 
     //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<size_t, SearchTaskPluginIface*> m_buildinPlugin;
diff --git a/libsearch/searchinterface/search-controller-private.h b/libsearch/searchinterface/search-controller-private.h
index c63e030..6039216 100644
--- a/libsearch/searchinterface/search-controller-private.h
+++ b/libsearch/searchinterface/search-controller-private.h
@@ -58,8 +58,7 @@ public:
 
 private:
     void copyData();
-    //TODO: 这里是否可以改为字节对齐的写法？
-//    DataQueue<ResultItem>* m_dataQueue = nullptr ;
+
     std::shared_ptr<DataQueue<ResultItem>> m_sharedDataQueue = nullptr;
     size_t m_searchId = 0;
     QMutex m_searchIdMutex;
diff --git a/libsearch/searchinterface/search-controller.cpp b/libsearch/searchinterface/search-controller.cpp
index 29e16b9..8a99522 100644
--- a/libsearch/searchinterface/search-controller.cpp
+++ b/libsearch/searchinterface/search-controller.cpp
@@ -174,16 +174,19 @@ bool SearchControllerPrivate::isSearchOnlineApps()
 void SearchControllerPrivate::copyData()
 {
     if(m_formerController.get()) {
-        m_searchId = m_formerController.get()->getCurrentSearchId();
-        //所有子节点都有一个指向根节点的队列的智能指针
-        m_sharedDataQueue = m_formerController.get()->d->m_sharedDataQueue;
-        m_keywords = m_formerController.get()->getKeyword();
-        m_searchDirs = m_formerController.get()->getSearchDir();
-        m_FileLabels = m_formerController.get()->getFileLabel();
-        m_onlySearchFile = m_formerController.get()->isSearchFileOnly();
-        m_onlySearchDir = m_formerController.get()->isSearchDirOnly();
-        m_recurse = m_formerController.get()->isRecurse();
-        m_activeKeywordSegmentation = m_formerController.get()->isKeywordSegmentationActived();
+        m_searchId = m_formerController->d->m_searchId;
+        m_sharedDataQueue = m_formerController->d->m_sharedDataQueue;
+        m_keywords = m_formerController->d->m_keywords;
+        m_searchDirs = m_formerController->d->m_searchDirs;
+        m_FileLabels = m_formerController->d->m_FileLabels;
+        m_onlySearchFile = m_formerController->d->m_onlySearchFile;
+        m_onlySearchDir = m_formerController->d->m_onlySearchDir;
+        m_recurse = m_formerController->d->m_recurse;
+        m_activeKeywordSegmentation = m_formerController->d->m_activeKeywordSegmentation;
+        m_maxResults = m_formerController->d->m_maxResults;
+        m_searchOnlineApps = m_formerController->d->m_searchOnlineApps;
+        m_searchType2ResultProperties = m_formerController->d->m_searchType2ResultProperties;
+        m_customSearchType2ResultDataType = m_formerController->d->m_customSearchType2ResultDataType;
     }
 }
 
diff --git a/libsearch/searchinterface/searchtasks/app-search-task.cpp b/libsearch/searchinterface/searchtasks/app-search-task.cpp
index 24155d6..51530af 100644
--- a/libsearch/searchinterface/searchtasks/app-search-task.cpp
+++ b/libsearch/searchinterface/searchtasks/app-search-task.cpp
@@ -31,7 +31,7 @@ AppSearchTask::AppSearchTask(QObject *parent)
     this->setParent(parent);
     qRegisterMetaType<size_t>("size_t");
     m_pool = new QThreadPool(this);
-    m_pool->setMaxThreadCount(1);
+    m_pool->setMaxThreadCount(3);
     qDBusRegisterMetaType<QMap<QString, QString>>();
     qDBusRegisterMetaType<QList<QMap<QString, QString>>>();
 }
@@ -42,6 +42,11 @@ AppSearchTask::~AppSearchTask()
     m_pool->waitForDone();
 }
 
+void AppSearchTask::setController(const std::shared_ptr<SearchController> &searchController)
+{
+    m_searchController = searchController;
+}
+
 const QString AppSearchTask::name()
 {
     return tr("Application");
@@ -57,11 +62,9 @@ QString AppSearchTask::getCustomSearchType()
     return "Application";
 }
 
-void AppSearchTask::startSearch(std::shared_ptr<SearchController> searchController)
+void AppSearchTask::startSearch()
 {
-    m_searchController = searchController;
-    AppSearchWorker *appSearchWorker;
-    appSearchWorker = new AppSearchWorker(this);
+    AppSearchWorker *appSearchWorker = new AppSearchWorker(this);
     m_pool->start(appSearchWorker);
 }
 
@@ -74,23 +77,16 @@ void AppSearchTask::sendFinishSignal(size_t searchId)
     Q_EMIT searchFinished(searchId);
 }
 
-
 AppSearchWorker::AppSearchWorker(AppSearchTask *AppSarchTask): m_appSearchTask(AppSarchTask)
 {
-    m_interFace = new QDBusInterface("com.kylin.softwarecenter.getsearchresults", "/com/kylin/softwarecenter/getsearchresults",
-                                     "com.kylin.getsearchresults",
-                                     QDBusConnection::sessionBus());
-    if(!m_interFace->isValid()) {
-        qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
-    }
-    m_interFace->setTimeout(1500);
-    m_currentSearchId = m_appSearchTask->m_searchController->getCurrentSearchId();
+    m_controller = new SearchController(m_appSearchTask->m_searchController);
+    m_currentSearchId = m_controller->getCurrentSearchId();
 }
 
 void AppSearchWorker::run()
 {
     ApplicationProperties applicationProperties;
-    SearchResultProperties properties = m_appSearchTask->m_searchController->getResultProperties(SearchProperty::SearchType::Application);
+    SearchResultProperties properties = m_controller->getResultProperties(SearchProperty::SearchType::Application);
     if(properties.contains(SearchProperty::SearchResultProperty::ApplicationDesktopPath)) {
         applicationProperties.append(ApplicationProperty::DesktopFilePath);
     }
@@ -100,9 +96,9 @@ void AppSearchWorker::run()
     if(properties.contains(SearchProperty::SearchResultProperty::ApplicationIconName)) {
         applicationProperties.append(ApplicationProperty::Icon);
     }
-    ApplicationInfoMap data = m_appSearchTask->m_appinfo.searchApp(applicationProperties, m_appSearchTask->m_searchController->getKeyword(), ApplicationPropertyMap{{ApplicationProperty::DontDisplay, 0}, {ApplicationProperty::AutoStart, 0}});
+    ApplicationInfoMap data = m_appSearchTask->m_appinfo.searchApp(applicationProperties, m_controller->getKeyword(), ApplicationPropertyMap{{ApplicationProperty::DontDisplay, 0}, {ApplicationProperty::AutoStart, 0}});
     for (const QString &desktop : data.keys()) {
-        if (m_appSearchTask->m_searchController->beginSearchIdCheck(m_currentSearchId)) {
+        if (m_controller->beginSearchIdCheck(m_currentSearchId)) {
            ResultItem item(desktop);
            item.setSearchId(m_currentSearchId);
 
@@ -116,21 +112,27 @@ void AppSearchWorker::run()
            if(oneResult.contains(ApplicationProperty::Icon)) {
                item.setValue(SearchProperty::SearchResultProperty::ApplicationIconName, oneResult.value(ApplicationProperty::Icon).toString());
            }
-           m_appSearchTask->m_searchController->getDataQueue()->enqueue(item);
-           m_appSearchTask->m_searchController->finishSearchIdCheck();
+           m_controller->getDataQueue()->enqueue(item);
+           m_controller->finishSearchIdCheck();
         } else {
             qDebug() << "Search id changed!";
-            m_appSearchTask->m_searchController->finishSearchIdCheck();
+            m_controller->finishSearchIdCheck();
             return;
         }
     }
-    if (m_appSearchTask->m_searchController->isSearchOnlineApps()) {
+    if (m_controller->isSearchOnlineApps()) {
         //online app search
-        for (auto keyword : m_appSearchTask->m_searchController->getKeyword()) {
-            QDBusReply<QList<QMap<QString, QString>>> reply = m_interFace->call("get_search_result", keyword); //阻塞，直到远程方法调用完成。
+        for (auto keyword : m_controller->getKeyword()) {
+            QDBusMessage msg = QDBusMessage::createMethodCall(QStringLiteral("com.kylin.softwarecenter.getsearchresults"),
+                                                                         QStringLiteral("/com/kylin/softwarecenter/getsearchresults"),
+                                                                         QStringLiteral("com.kylin.getsearchresults"),
+                                                                         QStringLiteral("get_search_result"));
+            msg.setArguments({keyword});
+            QDBusReply<QList<QMap<QString, QString>>> reply = QDBusConnection::sessionBus().call(msg, QDBus::Block, 1500);
             if(reply.isValid()) {
+//                qDebug() << reply.value();
                 for(int i = 0; i < reply.value().size(); i++) {
-                    if (m_appSearchTask->m_searchController->beginSearchIdCheck(m_currentSearchId)) {
+                    if (m_controller->beginSearchIdCheck(m_currentSearchId)) {
                         ResultItem item(m_currentSearchId);
                         item.setItemKey(reply.value().at(i).value("appname"));
                         if(properties.contains(SearchProperty::SearchResultProperty::ApplicationPkgName)) {
@@ -155,11 +157,11 @@ void AppSearchWorker::run()
                         if(properties.contains(SearchProperty::SearchResultProperty::IsOnlineApplication)) {
                             item.setValue(SearchProperty::SearchResultProperty::IsOnlineApplication, 1);
                         }
-                        m_appSearchTask->m_searchController->getDataQueue()->enqueue(item);
-                        m_appSearchTask->m_searchController->finishSearchIdCheck();
+                        m_controller->getDataQueue()->enqueue(item);
+                        m_controller->finishSearchIdCheck();
                     } else {
                         qDebug() << "Search id changed!";
-                        m_appSearchTask->m_searchController->finishSearchIdCheck();
+                        m_controller->finishSearchIdCheck();
                         return;
                     }
                 }
@@ -175,9 +177,10 @@ void AppSearchWorker::run()
 
 AppSearchWorker::~AppSearchWorker()
 {
-    if (m_interFace)
-        delete m_interFace;
-    m_interFace = nullptr;
+    if(m_controller) {
+        delete m_controller;
+        m_controller = nullptr;
+    }
 }
 
 void AppSearchWorker::sendErrorMsg(const QString &msg)
diff --git a/libsearch/searchinterface/searchtasks/app-search-task.h b/libsearch/searchinterface/searchtasks/app-search-task.h
index dee7024..df73642 100644
--- a/libsearch/searchinterface/searchtasks/app-search-task.h
+++ b/libsearch/searchinterface/searchtasks/app-search-task.h
@@ -37,8 +37,9 @@ class AppSearchTask : public SearchTaskPluginIface
     friend class AppSearchWorker;
     Q_OBJECT
 public:
-    explicit AppSearchTask(QObject *parent);
+    explicit AppSearchTask(QObject *parent = nullptr);
     ~AppSearchTask();
+    void setController(const std::shared_ptr<SearchController> &searchController);
     PluginType pluginType() {return PluginType::SearchTaskPlugin;}
     const QString name();
     const QString description();
@@ -48,7 +49,7 @@ public:
 
     SearchProperty::SearchType getSearchType() {return SearchProperty::SearchType::Application;}
     QString getCustomSearchType();
-    void startSearch(std::shared_ptr<SearchController> searchController);
+    void startSearch();
     void stop();
     Q_INVOKABLE void sendFinishSignal(size_t searchId);
 
@@ -62,17 +63,16 @@ class AppSearchWorker : public QRunnable
 {
 public:
     explicit AppSearchWorker(AppSearchTask *AppSarchTask);
-
+    ~AppSearchWorker();
 protected:
     void run();
 
 private:
-    ~AppSearchWorker();
     void sendErrorMsg(const QString &msg);
 
 private:
+    SearchController* m_controller = nullptr;
     AppSearchTask *m_appSearchTask = nullptr;
-    QDBusInterface *m_interFace = nullptr;
     size_t m_currentSearchId = 0;
 };
 }
diff --git a/libsearch/searchinterface/searchtasks/file-content-search-task.cpp b/libsearch/searchinterface/searchtasks/file-content-search-task.cpp
index c8d9b49..3cebbd3 100644
--- a/libsearch/searchinterface/searchtasks/file-content-search-task.cpp
+++ b/libsearch/searchinterface/searchtasks/file-content-search-task.cpp
@@ -47,6 +47,11 @@ FileContentSearchTask::~FileContentSearchTask()
     m_pool->waitForDone();
 }
 
+void FileContentSearchTask::setController(const std::shared_ptr<SearchController> &searchController)
+{
+    m_searchController = searchController;
+}
+
 PluginInterface::PluginType FileContentSearchTask::pluginType()
 {
     return PluginType::SearchTaskPlugin;
@@ -87,9 +92,9 @@ SearchProperty::SearchType FileContentSearchTask::getSearchType()
     return SearchProperty::SearchType::FileContent;
 }
 
-void FileContentSearchTask::startSearch(std::shared_ptr<SearchController> searchController)
+void FileContentSearchTask::startSearch()
 {
-    FileContentSearchWorker *worker = new FileContentSearchWorker(this, searchController);
+    FileContentSearchWorker *worker = new FileContentSearchWorker(this, m_searchController);
     m_pool->start(worker);
 }
 
@@ -101,10 +106,18 @@ void FileContentSearchTask::stop()
 FileContentSearchWorker::FileContentSearchWorker(FileContentSearchTask *fileContentSearchTask, std::shared_ptr<SearchController> searchController)
 {
     m_fileContentSearchTask = fileContentSearchTask;
-    m_searchController = std::move(searchController);
+    m_searchController = new SearchController(searchController);
     m_currentSearchId = m_searchController->getCurrentSearchId();
 }
 
+FileContentSearchWorker::~FileContentSearchWorker()
+{
+    if(m_searchController) {
+        delete m_searchController;
+        m_searchController = nullptr;
+    }
+}
+
 void FileContentSearchWorker::run()
 {
     QStringList searchDirs = m_searchController->getSearchDir();
diff --git a/libsearch/searchinterface/searchtasks/file-content-search-task.h b/libsearch/searchinterface/searchtasks/file-content-search-task.h
index f80500a..3f501a3 100644
--- a/libsearch/searchinterface/searchtasks/file-content-search-task.h
+++ b/libsearch/searchinterface/searchtasks/file-content-search-task.h
@@ -39,7 +39,7 @@ public:
     explicit FileContentSearchTask(QObject *parent = nullptr);
 
     ~FileContentSearchTask() override;
-
+    void setController(const std::shared_ptr<SearchController> &searchController) override;
     PluginType pluginType() override;
     const QString name() override;
     const QString description() override;
@@ -49,12 +49,13 @@ public:
 
     QString getCustomSearchType() override;
     SearchProperty::SearchType getSearchType() override;
-    void startSearch(std::shared_ptr<SearchController> searchController) override;
+    void startSearch() override;
     void stop() override;
 
 private:
     QThreadPool *m_pool = nullptr;
     bool m_enable = true;
+    std::shared_ptr<SearchController> m_searchController;
 };
 
 class FileContentSearchWorker : public QRunnable
@@ -63,6 +64,7 @@ class FileContentSearchWorker : public QRunnable
 
 public:
     explicit FileContentSearchWorker(FileContentSearchTask *fileContentSearchTask, std::shared_ptr<SearchController> searchController);
+    ~FileContentSearchWorker();
 
     void run() override;
 
@@ -74,7 +76,7 @@ private:
 
 private:
     FileContentSearchTask *m_fileContentSearchTask = nullptr;
-    std::shared_ptr<SearchController> m_searchController;
+    SearchController *m_searchController = nullptr;
 
     QStringList m_validDirectories;
 
diff --git a/libsearch/searchinterface/searchtasks/file-search-task.cpp b/libsearch/searchinterface/searchtasks/file-search-task.cpp
index 9842962..b67108e 100644
--- a/libsearch/searchinterface/searchtasks/file-search-task.cpp
+++ b/libsearch/searchinterface/searchtasks/file-search-task.cpp
@@ -46,6 +46,11 @@ FileSearchTask::~FileSearchTask()
     m_pool->waitForDone();
 }
 
+void FileSearchTask::setController(const std::shared_ptr<SearchController> &searchController)
+{
+    m_searchController = searchController;
+}
+
 const QString FileSearchTask::name()
 {
     return "File";
@@ -61,10 +66,10 @@ QString FileSearchTask::getCustomSearchType()
     return "File";
 }
 
-void FileSearchTask::startSearch(std::shared_ptr<SearchController> searchController)
+void FileSearchTask::startSearch()
 {
     FileSearchWorker *fileSearchWorker;
-    fileSearchWorker = new FileSearchWorker(this, searchController);
+    fileSearchWorker = new FileSearchWorker(this, m_searchController);
     m_pool->start(fileSearchWorker);
 }
 
@@ -79,11 +84,20 @@ void FileSearchTask::sendFinishSignal(size_t searchId)
 }
 
 
-FileSearchWorker::FileSearchWorker(FileSearchTask *fileSarchTask, std::shared_ptr<SearchController> searchController) : m_FileSearchTask(fileSarchTask), m_searchController(searchController)
+FileSearchWorker::FileSearchWorker(FileSearchTask *fileSarchTask, std::shared_ptr<SearchController> searchController) : m_FileSearchTask(fileSarchTask)
 {
+    m_searchController = new SearchController(searchController);
     m_currentSearchId = m_searchController->getCurrentSearchId();
 }
 
+FileSearchWorker::~FileSearchWorker()
+{
+    if(m_searchController) {
+        delete m_searchController;
+        m_searchController = nullptr;
+    }
+}
+
 void FileSearchWorker::run()
 {
     //1.检查是否为不可搜索目录
diff --git a/libsearch/searchinterface/searchtasks/file-search-task.h b/libsearch/searchinterface/searchtasks/file-search-task.h
index b3be0d9..ce5abf0 100644
--- a/libsearch/searchinterface/searchtasks/file-search-task.h
+++ b/libsearch/searchinterface/searchtasks/file-search-task.h
@@ -36,6 +36,8 @@ class FileSearchTask : public SearchTaskPluginIface
 public:
     explicit FileSearchTask(QObject *parent);
     ~FileSearchTask();
+
+    void setController(const std::shared_ptr<SearchController> &searchController);
     PluginType pluginType() {return PluginType::SearchTaskPlugin;}
     const QString name();
     const QString description();
@@ -45,12 +47,13 @@ public:
 
     SearchProperty::SearchType getSearchType() {return SearchProperty::SearchType::File;}
     QString getCustomSearchType();
-    void startSearch(std::shared_ptr<SearchController> searchController);
+    void startSearch();
     void stop();
     Q_INVOKABLE void sendFinishSignal(size_t searchId);
 
 private:
     QThreadPool *m_pool = nullptr;
+    std::shared_ptr<SearchController> m_searchController;
 };
 
 class FileSearchWorker : public QRunnable
@@ -59,6 +62,7 @@ class FileSearchWorker : public QRunnable
 
 public:
     explicit FileSearchWorker(FileSearchTask *fileSarchTask, std::shared_ptr<SearchController> searchController);
+    ~FileSearchWorker();
 
 protected:
     void run();
@@ -78,7 +82,7 @@ private:
 
 private:
     FileSearchTask *m_FileSearchTask;
-    std::shared_ptr<SearchController> m_searchController;
+    SearchController *m_searchController = nullptr;
 
     size_t m_currentSearchId = 0;
     QStringList m_validDirectories;
diff --git a/libsearch/searchinterface/ukui-search-task.cpp b/libsearch/searchinterface/ukui-search-task.cpp
index a4d719f..74eff08 100644
--- a/libsearch/searchinterface/ukui-search-task.cpp
+++ b/libsearch/searchinterface/ukui-search-task.cpp
@@ -70,6 +70,7 @@ void UkuiSearchTask::initSearchPlugin(SearchProperty::SearchType searchType, con
 {
     SearchTaskPluginIface *plugin = SearchTaskPluginManager::getInstance()->initPlugins(d->m_uuid, searchType, customSearchType);
     if (plugin) {
+        plugin->setController(d->m_searchCotroller);
         connect(plugin, &SearchTaskPluginIface::searchFinished,this, &UkuiSearchTask::searchFinished);
         connect(plugin, &SearchTaskPluginIface::searchError,this, &UkuiSearchTask::searchError);
     } else {
@@ -96,7 +97,7 @@ size_t UkuiSearchTask::startSearch(SearchProperty::SearchType searchtype, QStrin
 
     d->m_searchCotroller->refreshDataqueue();
     //plugin manager do async search here
-    if (!SearchTaskPluginManager::getInstance()->startSearch(d->m_uuid, d->m_searchCotroller, searchtype, customSearchType)) {
+    if (!SearchTaskPluginManager::getInstance()->startSearch(d->m_uuid, searchtype, customSearchType)) {
         Q_EMIT searchError(d->m_searchCotroller->getCurrentSearchId(), tr("Current task uuid error or an unregistered plugin is used!"));
     }