diff --git a/src/ppp_device.c b/src/ppp_device.c
index ffabe59..f72c69b 100644
--- a/src/ppp_device.c
+++ b/src/ppp_device.c
@@ -371,19 +371,12 @@ static rt_err_t ppp_device_open(struct rt_device *device, rt_uint16_t oflag)
         goto __exit;
     }
     LOG_D("pppapi_pppos_create has created a protocol control block.");
-    ppp_netdev_add(&ppp_device->pppif);
-
+    
     /* set netif name */
     ppp_device->pppif.name[0] = ppp_device->parent.parent.name[0];
     ppp_device->pppif.name[1] = ppp_device->parent.parent.name[1];
 
-    if (result != RT_EOK)
-    {
-        LOG_E("pppapi_set_default execute failed.");
-        result = -RT_ERROR;
-        goto __exit;
-    }
-    LOG_D("pppapi_set_default has set a default route.");
+    ppp_netdev_add(&ppp_device->pppif);
 
     /* dns */
     ppp_set_usepeerdns(ppp_device->pcb, 1);