diff --git a/app/Http/Controllers/Callback/LinkosCallbackController.php b/app/Http/Controllers/Callback/LinkosCallbackController.php
index fb700f6..b31d0b5 100644
--- a/app/Http/Controllers/Callback/LinkosCallbackController.php
+++ b/app/Http/Controllers/Callback/LinkosCallbackController.php
@@ -17,12 +17,9 @@ class LinkosCallbackController extends Controller
                 case 'online_state_change':
                     $this->handleDeviceStateNotify($request);
                     break;
-
-                default:
-                    if ($request->filled('device_id')) {
-                        Device::where('sn', $request->input('device_id'))->update(['status' => Device::STATE_ONLINE]);
-                    }
             }
+        } elseif ($request->filled('device_id')) {
+            Device::where('sn', $request->input('device_id'))->update(['status' => Device::STATE_ONLINE]);
         }
 
         return response()->json(['code' => 0, 'msg' => 'ok']);