diff --git a/main.cpp b/main.cpp
index 1495bb1..b81e251 100644
--- a/main.cpp
+++ b/main.cpp
@@ -20,14 +20,22 @@ int main(int argc, char *argv[])
 
     DbusFaceService w;
     QDBusConnection connection = QDBusConnection::systemBus();
-    if (!connection.registerService(SERVERNAME)
-        || !connection.registerObject(SERVERPATH,
+      if ( !connection.registerObject(SERVERPATH,
                                       &w,
                                       QDBusConnection::ExportAllSlots
                                           | QDBusConnection::ExportScriptableProperties
                                           | QDBusConnection::ExportAllSignals)) {
-        qDebug() << "dbus service already registered!";
+        qWarning() << "dbus object registere error!";
         return -1;
     }
+ 
+    auto reply = connection.registerService(SERVERNAME);
+    if (reply != QDBusConnectionInterface::ServiceRegistered)
+    {
+        qWarning() << "dbus service registere error!";
+        /* code */
+        return -1;
+    }
+  
     return a.exec();
 }
diff --git a/msic/dbus-services/org.deepin.dde.Face1.service b/msic/dbus-services/org.deepin.dde.Face1.service
index 05e08b5..5ca7b26 100644
--- a/msic/dbus-services/org.deepin.dde.Face1.service
+++ b/msic/dbus-services/org.deepin.dde.Face1.service
@@ -1,5 +1,4 @@
 [D-BUS Service]
 Name=org.deepin.dde.Face1
-User=root
-Exec=/usr/libexec/deepin-face
+Exec=/bin/false
 SystemdService=deepin-face.service
diff --git a/msic/systemd/deepin-face.service b/msic/systemd/deepin-face.service
index 8b7f4a5..d7f388d 100644
--- a/msic/systemd/deepin-face.service
+++ b/msic/systemd/deepin-face.service
@@ -9,7 +9,7 @@ After=dbus.socket
 Type=dbus
 User=deepin-daemon
 SupplementaryGroups=video
-BusName=com.deepin.face
+BusName=org.deepin.dde.Face1
 ExecStart=/usr/libexec/deepin-face
 
 ProtectSystem=strict