شخصی سازی notification برای email verifition

<?php

namespace App\Notifications;

use Illuminate\Bus\Queueable;
use Illuminate\Notifications\Notification;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;

class EmailVerifyTheme extends Notification
{
    use Queueable;

    public $token;

    /**
     * Create a new notification instance.
     *
     * @return void
     */
    public function __construct($token)
    {
        $this->token = $token;
    }

    /**
     * Get the notification's delivery channels.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function via($notifiable)
    {
        return ['mail'];
    }

    /**
     * Get the mail representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return \Illuminate\Notifications\Messages\MailMessage
     */
    public function toMail($notifiable)
    {
        return (new MailMessage)
                    ->line('با سلام')
                    ->action('تایید ایمیل شما', url('/email/verify/', $this->token))
                    ->line('Thank you for using our application!');
    }

    /**
     * Get the array representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function toArray($notifiable)
    {
        return [
            //
        ];
    }
}

<?php

namespace App;

use App\Notifications\EmailVerifyTheme;
use Illuminate\Notifications\Notifiable;
use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Foundation\Auth\User as Authenticatable;

class User extends Authenticatable implements MustVerifyEmail
{
    use Notifiable;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'username', 'email', 'password', 'avatar'
    ];

    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password', 'remember_token',
    ];

    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'email_verified_at' => 'datetime',
    ];

    public function sendEmailVerificationNotification($token)
    {
        $this->notify(new EmailVerifyTheme($token));
    }

}

مشکل من اینه که وقتی token رو پاس میدم این ارور رو میگیرم

Declaration of App\User::sendEmailVerificationNotification($token) should be compatible with Illuminate\Foundation\Auth\User::sendEmailVerificationNotification()

کسی میدونه مشکل چیه ؟؟