first upload all files

Modules/Account/Http/Controllers/AccountDefaultAddressController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Modules\Account\Http\Controllers;
+
+use Illuminate\Routing\Controller;
+use Modules\Address\Entities\DefaultAddress;
+
+class AccountDefaultAddressController extends Controller
+{
+    /**
+     * Update the specified resource in storage.
+     *
+     * @return \Illuminate\Contracts\Support\Renderable
+     */
+    public function update()
+    {
+        DefaultAddress::updateOrCreate(
+            ['customer_id' => auth()->id()],
+            ['address_id' => request('address_id')]
+        );
+
+        return trans('account::messages.default_address_updated');
+    }
+}