diff --git a/app/Http/Controllers/Callback/LinkosCallbackController.php b/app/Http/Controllers/Callback/LinkosCallbackController.php
new file mode 100644
index 0000000..e7f6f4a
--- /dev/null
+++ b/app/Http/Controllers/Callback/LinkosCallbackController.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Http\Controllers\Callback;
+
+use App\Http\Controllers\Controller;
+use App\Models\Device;
+use Illuminate\Http\Request;
+
+class LinkosCallbackController extends Controller
+{
+    public function __invoke(Request $request)
+    {
+        if ($request->filled('notify_type')) {
+            $this->handleDeviceStateNotify($request);
+        }
+
+        return response()->json(['code' => 0, 'msg' => 'ok']);
+    }
+
+    /**
+     * 设备状态通知
+     */
+    protected function handleDeviceStateNotify(Request $request): void
+    {
+        if ($request->notify_type !== 'online_state_change') {
+            return;
+        }
+
+        foreach ($request->input('data', []) as $item) {
+            if (is_null($device = Device::where('sn', $item['device_id'])->first())) {
+                continue;
+            }
+
+            if ($request->filled('online_state')) {
+                $state = match ((int) $request->online_state) {
+                    0 => Device::STATE_OFFLINE,
+                    1 => Device::STATE_ONLINE,
+                    default => $device->state,
+                };
+
+                $device->forceFill([
+                    'state' => $state,
+                ])->save();
+            }
+        }
+    }
+}
diff --git a/app/Http/Middleware/VerifyCsrfToken.php b/app/Http/Middleware/VerifyCsrfToken.php
index 9e86521..331eef3 100644
--- a/app/Http/Middleware/VerifyCsrfToken.php
+++ b/app/Http/Middleware/VerifyCsrfToken.php
@@ -12,6 +12,6 @@ class VerifyCsrfToken extends Middleware
      * @var array<int, string>
      */
     protected $except = [
-        //
+        'callback/*'
     ];
 }
diff --git a/app/Models/DeviceLog.php b/app/Models/DeviceLog.php
index fe2bfd6..fff5f0d 100644
--- a/app/Models/DeviceLog.php
+++ b/app/Models/DeviceLog.php
@@ -13,4 +13,10 @@ class DeviceLog extends Model
         'data' => 'json',
         'reported_at' => 'datetime',
     ];
+
+    protected $fillable = [
+        'device_id',
+        'data',
+        'reported_at',
+    ];
 }
diff --git a/routes/web.php b/routes/web.php
index b130397..16744b1 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -13,6 +13,10 @@ use Illuminate\Support\Facades\Route;
 |
 */
 
+Route::prefix('callback')->group(function () {
+    Route::post('linkos', \App\Http\Controllers\Callback\LinkosCallbackController::class);
+});
+
 Route::get('/', function () {
     return view('welcome');
 });