diff --git a/frontend/ukui-search-dbus-service.cpp b/frontend/ukui-search-dbus-service.cpp
index f214b2c..5cf9831 100644
--- a/frontend/ukui-search-dbus-service.cpp
+++ b/frontend/ukui-search-dbus-service.cpp
@@ -16,7 +16,8 @@ UkuiSearchDbusServices::UkuiSearchDbusServices(MainWindow *m)
     m_mainWindow = m;
     //注册服务
     QDBusConnection sessionBus = QDBusConnection::sessionBus();
-    if(!sessionBus.registerService("org.ukui.search.service")){
+    QDBusConnection::sessionBus().unregisterService("com.ukui.search.service");
+    if(!sessionBus.registerService("com.ukui.search.service")){
         qWarning() << "ukui-search dbus register service failed reason:" << sessionBus.lastError();
     }