问laravel 6+ elasticsearch-php 7.6 + xampp:集群中没有找到活节点

EN

public function boot()
{
    $this->app->singleton('elasticsearch', function () {
        return ClientBuilder::create()
                ->setHosts([
                    'http://localhost/scout/public'
                ])
                ->build();
    });

    resolve(EngineManager::class)->extend('elasticsearch', function () {
        return new ElasticSearchEngine(
            app('elasticsearch')
        );
    });
}

<?php 

namespace App\Search\Engines;

use Laravel\Scout\Engines\Engine;
use Laravel\Scout\Builder;
use Elasticsearch\Client;

class ElasticSearchEngine extends Engine
{
    protected $client;

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

    /**
     * Update the given model in the index.
     *
     * @param  \Illuminate\Database\Eloquent\Collection  $models
     * @return void
     */
    public function update($models)
    {
        $models->each(function($model) {
            $params = [
                'index' => $model->searchableAs(),
                'type' => $model->searchableAs(),
                'id' => $model->id,
                'body' => $model->toSearchableArray()
            ];

            $this->client->index($params);
        });
    }
}