Laravel更新的事件未正常工作

namespace App\Events;

use Illuminate\Broadcasting\Channel;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Broadcasting\PresenceChannel;
use Illuminate\Broadcasting\PrivateChannel;
use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;

class UserUpdated implements ShouldBroadcast
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    public $user;

    public function __construct($user)
    {
        $this->user = $user;
    }

    public function broadcastOn()
    {
        return new PrivateChannel('channel-name');
    }
}

namespace App\Listeners;

use App\Events\UserUpdated;

class SendUpdateNotification
{
    public function handle(UserUpdated $event)
    {
        // 发送通知的逻辑
        Log::info('Sending update notification for user: ' . $event->user->id);
    }
}

protected $listen = [
    UserUpdated::class => [
        SendUpdateNotification::class,
    ],
];

use App\Events\UserUpdated;

public function updateUser(Request $request, User $user)
{
    // 更新用户逻辑...

    event(new UserUpdated($user));

    return response()->json(['message' => 'User updated successfully']);
}