diff --git a/frontend/mainwindow.cpp b/frontend/mainwindow.cpp
index 4cab030..4bf4d81 100644
--- a/frontend/mainwindow.cpp
+++ b/frontend/mainwindow.cpp
@@ -468,20 +468,20 @@ bool MainWindow::eventFilter(QObject *watched, QEvent *event)
 
 void MainWindow::openSearchSettings() {
     bool res(false);
-    QDBusInterface* appLaunchInterface = new QDBusInterface("com.kylin.AppManager",
-                                                             "/com/kylin/AppManager",
-                                                             "com.kylin.AppManager",
-                                                             QDBusConnection::sessionBus());
+    QDBusInterface* appLaunchInterface = new QDBusInterface(QStringLiteral("com.kylin.ProcessManager"),
+                                                            QStringLiteral("/com/kylin/ProcessManager/AppLauncher"),
+                                                            QStringLiteral("com.kylin.ProcessManager.AppLauncher"),
+                                                            QDBusConnection::sessionBus());
     if(!appLaunchInterface->isValid()) {
         qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
         res = false;
     } else {
         appLaunchInterface->setTimeout(10000);
-        QDBusReply<bool> reply = appLaunchInterface->call("LaunchAppWithArguments", "ukui-control-center.desktop", QStringList() << "-m" << "search");
+        QDBusReply<void> reply = appLaunchInterface->call("LaunchAppWithArguments", "/usr/share/applications/ukui-control-center.desktop", QStringList{"-m", "search"});
         if(reply.isValid()) {
-            res = reply;
+            res = true;
         } else {
-            qWarning() << "SoftWareCenter dbus called failed!";
+            qWarning() << "ProcessManager dbus called failed!" << reply.error();
             res = false;
         }
     }
diff --git a/libsearch/appsearch/app-search-plugin.cpp b/libsearch/appsearch/app-search-plugin.cpp
index f2e7150..58558da 100644
--- a/libsearch/appsearch/app-search-plugin.cpp
+++ b/libsearch/appsearch/app-search-plugin.cpp
@@ -285,20 +285,20 @@ bool AppSearchPlugin::launch(const QString &path)
         invokeActions(InvokableAction::HideUI);
     }
     bool res(false);
-    QDBusInterface * appLaunchInterface = new QDBusInterface("com.kylin.AppManager",
-                                                             "/com/kylin/AppManager",
-                                                             "com.kylin.AppManager",
+    QDBusInterface * appLaunchInterface = new QDBusInterface(QStringLiteral("com.kylin.ProcessManager"),
+                                                             QStringLiteral("/com/kylin/ProcessManager/AppLauncher"),
+                                                             QStringLiteral("com.kylin.ProcessManager.AppLauncher"),
                                                              QDBusConnection::sessionBus());
     if(!appLaunchInterface->isValid()) {
         qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
         res = false;
     } else {
         appLaunchInterface->setTimeout(10000);
-        QDBusReply<bool> reply = appLaunchInterface->call("LaunchApp", path);
+        QDBusReply<void> reply = appLaunchInterface->call("LaunchApp", path);
         if(reply.isValid()) {
-            res = reply;
+            res = true;
         } else {
-            qWarning() << "AppManager dbus called failed!";
+            qWarning() << "ProcessManager dbus called failed!" << reply.error();
             res = false;
         }
     }
@@ -366,24 +366,24 @@ bool AppSearchPlugin::installAppAction(const QString & name)
     } else {
         //软件商店未打开，打开软件商店下载此软件
         qDebug() << "Softwarecenter has not been launched, now launch it." << name;
-        QDBusInterface * appLaunchInterface = new QDBusInterface("com.kylin.AppManager",
-                                                                 "/com/kylin/AppManager",
-                                                                 "com.kylin.AppManager",
+        QDBusInterface * appLaunchInterface = new QDBusInterface(QStringLiteral("com.kylin.ProcessManager"),
+                                                                 QStringLiteral("/com/kylin/ProcessManager/AppLauncher"),
+                                                                 QStringLiteral("com.kylin.ProcessManager.AppLauncher"),
                                                                  QDBusConnection::sessionBus());
         if(!appLaunchInterface->isValid()) {
             qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
             res = false;
         } else {
             appLaunchInterface->setTimeout(10000);
-            QDBusReply<bool> reply = appLaunchInterface->call("LaunchAppWithArguments", "kylin-software-center.desktop", QStringList() << "-find" << name);
+            QDBusReply<void> reply = appLaunchInterface->call("LaunchAppWithArguments", "/usr/share/applications/kylin-software-center.desktop", QStringList() << "-find" << name);
             if(reply.isValid()) {
-                res = reply;
+                res = true;
             } else {
-                qWarning() << "SoftWareCenter dbus called failed!";
+                qWarning() << "ProcessManager dbus called failed!" << reply.error();
                 res = false;
             }
         }
-        if(appLaunchInterface) {
+        if (appLaunchInterface) {
             delete appLaunchInterface;
         }
         appLaunchInterface = nullptr;
@@ -391,7 +391,7 @@ bool AppSearchPlugin::installAppAction(const QString & name)
             res = QProcess::startDetached("kylin-software-center", {"-find", name});
         }
     }
-    if(interface) {
+    if (interface) {
         delete interface;
     }
     interface = nullptr;
diff --git a/libsearch/file-utils.cpp b/libsearch/file-utils.cpp
index 608fe10..f11c5fe 100644
--- a/libsearch/file-utils.cpp
+++ b/libsearch/file-utils.cpp
@@ -661,8 +661,8 @@ int FileUtils::openFile(QString &path, bool openInDir)
             }
         }
 
-        GError *error = NULL;
-        GAppInfo *info  = NULL;
+        GError *error = nullptr;
+        GAppInfo *info  = nullptr;
         /*
         * g_app_info_get_default_for_type function get wrong default app, so we get the
         * default app info from mimeapps.list, and chose the right default app for mimeType file
@@ -677,7 +677,7 @@ int FileUtils::openFile(QString &path, bool openInDir)
             g_error_free(error);
         } else {
             gchar *desktopApp = g_key_file_get_string(keyfile, "Default Applications", mimeType.toUtf8(), &error);
-            if (NULL != desktopApp) {
+            if (nullptr != desktopApp) {
                 info = (GAppInfo*)g_desktop_app_info_new(desktopApp);
                 g_free (desktopApp);
             } else {
@@ -685,31 +685,32 @@ int FileUtils::openFile(QString &path, bool openInDir)
             }
         }
         g_key_file_free (keyfile);
-        if(!G_IS_APP_INFO(info)) {
+        if (!G_IS_APP_INFO(info)) {
             res = -1;
         } else {
             bool isSuccess(false);
-            QDBusInterface * appLaunchInterface = new QDBusInterface("com.kylin.AppManager",
-                                                                     "/com/kylin/AppManager",
-                                                                     "com.kylin.AppManager",
+            QDBusInterface * appLaunchInterface = new QDBusInterface(QStringLiteral("com.kylin.ProcessManager"),
+                                                                     QStringLiteral("/com/kylin/ProcessManager/AppLauncher"),
+                                                                     QStringLiteral("com.kylin.ProcessManager.AppLauncher"),
                                                                      QDBusConnection::sessionBus());
-            if(!appLaunchInterface->isValid()) {
+            if (!appLaunchInterface->isValid()) {
                 qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
                 isSuccess = false;
             } else {
                 appLaunchInterface->setTimeout(10000);
-                QDBusReply<bool> reply = appLaunchInterface->call("LaunchDefaultAppWithUrl", QUrl::fromLocalFile(path).toString());
+                QDBusReply<void> reply = appLaunchInterface->call("LaunchDefaultAppWithUrl", QUrl::fromLocalFile(path).toString());
                 if(reply.isValid()) {
-                    isSuccess = reply;
+                    isSuccess = true;
                 } else {
-                    qWarning() << "SoftWareCenter dbus called failed!";
+                    qWarning() << "ProcessManager dbus called failed!" << reply.error();
                     isSuccess = false;
                 }
             }
-            if(appLaunchInterface) {
+            if (appLaunchInterface) {
                 delete appLaunchInterface;
             }
-            appLaunchInterface = NULL;
+            appLaunchInterface = nullptr;
+
             if (!isSuccess){
                 QDesktopServices::openUrl(QUrl::fromLocalFile(path));
             }
diff --git a/libsearch/notesearch/note-search-plugin.cpp b/libsearch/notesearch/note-search-plugin.cpp
index 44c8bdc..92b1acb 100644
--- a/libsearch/notesearch/note-search-plugin.cpp
+++ b/libsearch/notesearch/note-search-plugin.cpp
@@ -83,27 +83,27 @@ void NoteSearchPlugin::openAction(int actionkey, QString key, int type)
     {
         DataCollecter::collectLaunchEvent(QStringLiteral("Note Search"), QStringLiteral("open"));
         bool res(false);
-        QDBusInterface * appLaunchInterface = new QDBusInterface("com.kylin.AppManager",
-                                                                 "/com/kylin/AppManager",
-                                                                 "com.kylin.AppManager",
+        QDBusInterface * appLaunchInterface = new QDBusInterface(QStringLiteral("com.kylin.ProcessManager"),
+                                                                 QStringLiteral("/com/kylin/ProcessManager/AppLauncher"),
+                                                                 QStringLiteral("com.kylin.ProcessManager.AppLauncher"),
                                                                  QDBusConnection::sessionBus());
         if(!appLaunchInterface->isValid()) {
             qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
             res = false;
         } else {
             appLaunchInterface->setTimeout(10000);
-            QDBusReply<bool> reply = appLaunchInterface->call("LaunchAppWithArguments", "ukui-notebook.desktop", QStringList() << "--show" << key);
+            QDBusReply<void> reply = appLaunchInterface->call("LaunchAppWithArguments", "/usr/share/applications/ukui-notebook.desktop", QStringList() << "--show" << key);
             if(reply.isValid()) {
-                res = reply;
+                res = true;
             } else {
-                qWarning() << "SoftWareCenter dbus called failed!";
+                qWarning() << "ProcessManager dbus called failed!" << reply.error();
                 res = false;
             }
         }
         if(appLaunchInterface) {
             delete appLaunchInterface;
         }
-        appLaunchInterface = NULL;
+        appLaunchInterface = nullptr;
         if (res)
             break;
         QProcess process;
diff --git a/libsearch/settingsearch/settings-search-plugin.cpp b/libsearch/settingsearch/settings-search-plugin.cpp
index 1fea970..bf8af25 100644
--- a/libsearch/settingsearch/settings-search-plugin.cpp
+++ b/libsearch/settingsearch/settings-search-plugin.cpp
@@ -71,27 +71,27 @@ void SettingsSearchPlugin::openAction(int actionkey, QString key, int type)
     {
         DataCollecter::collectLaunchEvent(QStringLiteral("Settings Search"), QStringLiteral("open"));
         bool res(false);
-        QDBusInterface * appLaunchInterface = new QDBusInterface("com.kylin.AppManager",
-                                                                 "/com/kylin/AppManager",
-                                                                 "com.kylin.AppManager",
+        QDBusInterface * appLaunchInterface = new QDBusInterface(QStringLiteral("com.kylin.ProcessManager"),
+                                                                 QStringLiteral("/com/kylin/ProcessManager/AppLauncher"),
+                                                                 QStringLiteral("com.kylin.ProcessManager.AppLauncher"),
                                                                  QDBusConnection::sessionBus());
         if(!appLaunchInterface->isValid()) {
             qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
             res = false;
         } else {
             appLaunchInterface->setTimeout(10000);
-            QDBusReply<bool> reply = appLaunchInterface->call("LaunchAppWithArguments", "ukui-control-center.desktop", QStringList() << "-m" << key.toLower());
+            QDBusReply<void> reply = appLaunchInterface->call("LaunchAppWithArguments", "/usr/share/applications/ukui-control-center.desktop", QStringList() << "-m" << key.toLower());
             if(reply.isValid()) {
-                res = reply;
+                res = true;
             } else {
-                qWarning() << "SoftWareCenter dbus called failed!";
+                qWarning() << "ProcessManager dbus called failed!" << reply.error();
                 res = false;
             }
         }
-        if(appLaunchInterface) {
+        if (appLaunchInterface) {
             delete appLaunchInterface;
         }
-        appLaunchInterface = NULL;
+        appLaunchInterface = nullptr;
         if (res)
             break;
         //打开控制面板对应页面
diff --git a/libsearch/websearch/web-search-plugin.cpp b/libsearch/websearch/web-search-plugin.cpp
index 6afe31f..fe56a49 100644
--- a/libsearch/websearch/web-search-plugin.cpp
+++ b/libsearch/websearch/web-search-plugin.cpp
@@ -97,27 +97,27 @@ void UkuiSearch::WebSearchPlugin::openAction(int actionkey, QString key, int typ
         address = "http://baidu.com/s?word=" + m_keyWord ; //百度
     }
     bool res(false);
-    QDBusInterface * appLaunchInterface = new QDBusInterface("com.kylin.AppManager",
-                                                             "/com/kylin/AppManager",
-                                                             "com.kylin.AppManager",
+    QDBusInterface * appLaunchInterface = new QDBusInterface(QStringLiteral("com.kylin.ProcessManager"),
+                                                             QStringLiteral("/com/kylin/ProcessManager/AppLauncher"),
+                                                             QStringLiteral("com.kylin.ProcessManager.AppLauncher"),
                                                              QDBusConnection::sessionBus());
     if(!appLaunchInterface->isValid()) {
         qWarning() << qPrintable(QDBusConnection::sessionBus().lastError().message());
         res = false;
     } else {
         appLaunchInterface->setTimeout(10000);
-        QDBusReply<bool> reply = appLaunchInterface->call("LaunchDefaultAppWithUrl", address);
+        QDBusReply<void> reply = appLaunchInterface->call("LaunchDefaultAppWithUrl", address);
         if(reply.isValid()) {
-            res = reply;
+            res = true;
         } else {
-            qWarning() << "SoftWareCenter dbus called failed!";
+            qWarning() << "ProcessManager dbus called failed!" << reply.error();
             res = false;
         }
     }
-    if(appLaunchInterface) {
+    if (appLaunchInterface) {
         delete appLaunchInterface;
     }
-    appLaunchInterface = NULL;
+    appLaunchInterface = nullptr;
     if (res)
         return;
     QDesktopServices::openUrl(address);