diff --git a/libsearch/searchinterface/search-result-property.h b/libsearch/searchinterface/search-result-property.h
index b157b89..6402210 100644
--- a/libsearch/searchinterface/search-result-property.h
+++ b/libsearch/searchinterface/search-result-property.h
@@ -60,4 +60,5 @@ enum SearchResultProperty {
 typedef QVector<SearchProperty::SearchResultProperty> SearchResultProperties;
 typedef QMap<SearchProperty::SearchResultProperty, QVariant> SearchResultPropertyMap;
 }
+Q_DECLARE_METATYPE(UkuiSearch::SearchResultProperties);
 #endif // SEARCHRESULTPROPERTY_H
diff --git a/libsearch/searchinterface/searchtasks/app-search-task.cpp b/libsearch/searchinterface/searchtasks/app-search-task.cpp
index f75d444..91cfe64 100644
--- a/libsearch/searchinterface/searchtasks/app-search-task.cpp
+++ b/libsearch/searchinterface/searchtasks/app-search-task.cpp
@@ -32,6 +32,7 @@ AppSearchTask::AppSearchTask(QObject *parent)
     qRegisterMetaType<size_t>("size_t");
     m_pool = new QThreadPool(this);
     m_pool->setMaxThreadCount(3);
+    m_dbusCallBackThread = new QThread(this);
     qDBusRegisterMetaType<QMap<QString, QString>>();
     qDBusRegisterMetaType<QList<QMap<QString, QString>>>();
 }
@@ -40,6 +41,8 @@ AppSearchTask::~AppSearchTask()
 {
     m_pool->clear();
     m_pool->waitForDone();
+    m_dbusCallBackThread->quit();
+    m_dbusCallBackThread->wait();
 }
 
 void AppSearchTask::setController(const SearchController &searchController)
@@ -64,12 +67,18 @@ QString AppSearchTask::getCustomSearchType()
 
 void AppSearchTask::startSearch()
 {
+    if(!m_dbusCallBackThread->isRunning()) {
+        m_dbusCallBackThread->start();
+    }
     AppSearchWorker *appSearchWorker = new AppSearchWorker(this);
     m_pool->start(appSearchWorker);
 }
 
 void AppSearchTask::stop()
 {
+    if(m_dbusCallBackThread->isRunning()) {
+        m_dbusCallBackThread->exit();
+    }
 }
 
 bool AppSearchTask::isSearching()
@@ -77,6 +86,59 @@ bool AppSearchTask::isSearching()
     return m_pool->activeThreadCount() > 0;
 }
 
+void AppSearchTask::dbusCallBack(QDBusPendingCallWatcher *call)
+{
+    QDBusPendingReply<QList<QMap<QString, QString>>> reply = *call;
+    size_t searchId = call->property("id").value<size_t>();
+    if(reply.isValid()) {
+        SearchResultProperties properties = call->property("prop").value<SearchResultProperties>();
+        int resultNum = call->property("num").toInt();
+        for(int i = 0; i < reply.value().size(); i++) {
+            if (m_searchController.beginSearchIdCheck(searchId)) {
+                ResultItem item(searchId);
+                item.setItemKey(reply.value().at(i).value("appname"));
+                if(properties.contains(SearchProperty::SearchResultProperty::ApplicationPkgName)) {
+                    item.setValue(SearchProperty::SearchResultProperty::ApplicationPkgName, reply.value().at(i).value("appname"));
+                }
+
+                if(properties.contains(SearchProperty::SearchResultProperty::ApplicationLocalName)) {
+                    QString localName;
+                    if(QLocale::system().language() == QLocale::Chinese) {
+                        localName = reply.value().at(i).value("displayname_cn");
+                    } else {
+                        localName = reply.value().at(i).value("appname");
+                    }
+                    item.setValue(SearchProperty::SearchResultProperty::ApplicationLocalName, localName);
+                }
+                if(properties.contains(SearchProperty::SearchResultProperty::ApplicationIconName)) {
+                    item.setValue(SearchProperty::SearchResultProperty::ApplicationIconName, reply.value().at(i).value("icon"));
+                }
+                if(properties.contains(SearchProperty::SearchResultProperty::ApplicationDescription)) {
+                    item.setValue(SearchProperty::SearchResultProperty::ApplicationDescription, reply.value().at(i).value("discription"));
+                }
+                if(properties.contains(SearchProperty::SearchResultProperty::IsOnlineApplication)) {
+                    item.setValue(SearchProperty::SearchResultProperty::IsOnlineApplication, 1);
+                }
+                m_searchController.getDataQueue()->enqueue(item);
+                if(++resultNum == m_searchController.informNum()) {
+                    Q_EMIT reachInformNum();
+                    resultNum = 0;
+                }
+                m_searchController.finishSearchIdCheck();
+            } else {
+                qDebug() << "Search id changed!";
+                m_searchController.finishSearchIdCheck();
+                return;
+            }
+        }
+        Q_EMIT searchFinished(searchId);
+    } else {
+        qWarning() << "SoftWareCenter dbus called failed!" << reply.error();
+        Q_EMIT searchError(searchId, "SoftWareCenter dbus called failed!");
+    }
+    call->deleteLater();
+}
+
 AppSearchWorker::AppSearchWorker(AppSearchTask *AppSarchTask): m_appSearchTask(AppSarchTask)
 {
     m_controller = &m_appSearchTask->m_searchController;
@@ -132,55 +194,17 @@ void AppSearchWorker::run()
                                                                          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_controller->beginSearchIdCheck(m_currentSearchId)) {
-                        ResultItem item(m_currentSearchId);
-                        item.setItemKey(reply.value().at(i).value("appname"));
-                        if(properties.contains(SearchProperty::SearchResultProperty::ApplicationPkgName)) {
-                            item.setValue(SearchProperty::SearchResultProperty::ApplicationPkgName, reply.value().at(i).value("appname"));
-                        }
-
-                        if(properties.contains(SearchProperty::SearchResultProperty::ApplicationLocalName)) {
-                            QString localName;
-                            if(QLocale::system().language() == QLocale::Chinese) {
-                                localName = reply.value().at(i).value("displayname_cn");
-                            } else {
-                                localName = reply.value().at(i).value("appname");
-                            }
-                            item.setValue(SearchProperty::SearchResultProperty::ApplicationLocalName, localName);
-                        }
-                        if(properties.contains(SearchProperty::SearchResultProperty::ApplicationIconName)) {
-                            item.setValue(SearchProperty::SearchResultProperty::ApplicationIconName, reply.value().at(i).value("icon"));
-                        }
-                        if(properties.contains(SearchProperty::SearchResultProperty::ApplicationDescription)) {
-                            item.setValue(SearchProperty::SearchResultProperty::ApplicationDescription, reply.value().at(i).value("discription"));
-                        }
-                        if(properties.contains(SearchProperty::SearchResultProperty::IsOnlineApplication)) {
-                            item.setValue(SearchProperty::SearchResultProperty::IsOnlineApplication, 1);
-                        }
-                        m_controller->getDataQueue()->enqueue(item);
-                        if(++m_resultNum == m_controller->informNum()) {
-                            QMetaObject::invokeMethod(m_appSearchTask, "reachInformNum");
-                            m_resultNum = 0;
-                        }
-                        m_controller->finishSearchIdCheck();
-                    } else {
-                        qDebug() << "Search id changed!";
-                        m_controller->finishSearchIdCheck();
-                        return;
-                    }
-                }
-            } else {
-                qWarning() << "SoftWareCenter dbus called failed!" << reply.error();
-                sendErrorMsg(QString("SoftWareCenter dbus called failed!") + reply.error().message());
-            }
+            QDBusPendingCall call = QDBusConnection::sessionBus().asyncCall(msg);
+            auto *watcher = new QDBusPendingCallWatcher(call);
+            watcher->setProperty("id", QVariant::fromValue(m_currentSearchId));
+            watcher->setProperty("prop", QVariant::fromValue(properties));
+            watcher->setProperty("num", m_resultNum);
+            watcher->moveToThread(m_appSearchTask->m_dbusCallBackThread);
+            QObject::connect(watcher, &QDBusPendingCallWatcher::finished, m_appSearchTask, &AppSearchTask::dbusCallBack, Qt::DirectConnection);
         }
+    } else {
+        QMetaObject::invokeMethod(m_appSearchTask, "searchFinished", Q_ARG(size_t, m_currentSearchId));
     }
-
-    QMetaObject::invokeMethod(m_appSearchTask, "searchFinished", Q_ARG(size_t, m_currentSearchId));
 }
 
 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 e2b9461..c7d98b7 100644
--- a/libsearch/searchinterface/searchtasks/app-search-task.h
+++ b/libsearch/searchinterface/searchtasks/app-search-task.h
@@ -53,10 +53,14 @@ public:
     void stop();
     bool isSearching();
 
+private Q_SLOTS:
+    void dbusCallBack(QDBusPendingCallWatcher *call);
+
 private:
     ApplicationInfo m_appinfo;
     SearchController m_searchController;
     QThreadPool *m_pool = nullptr;
+    QThread *m_dbusCallBackThread = nullptr;
 };
 
 class AppSearchWorker : public QRunnable