update

app/Api/Controllers/UserController.php

@@ -43,10 +43,10 @@ class UserController extends Controller
     {
         $user = Api::user();
 
-        $user->privacy = ! $user->privacy;
-        $user->save();
+        $user->setting->privacy = ! $user->setting->privacy;
+        $user->setting->save();
 
-        return $this->success($user->privacy);
+        return $this->success($user->setting->privacy);
     }
 
     public function download(): JsonResponse

app/Api/Controllers/VersionController.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Api\Controllers;
+
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class VersionController extends Controller
+{
+    public function check(Request $request): JsonResponse
+    {
+        $version = $request->version;
+
+        return $this->success();
+    }
+}