使用laravel db,listen,出现的情况

\Illuminate\Database\Events\QueryExecuted $query

<?php
namespace app\bootstrap;
use Webman\Bootstrap;
use support\Db;

class Report implements Bootstrap
{
    public static function start($worker)
    {
        Db::listen(function(\Illuminate\Database\Events\QueryExecuted $query) {
           echo $query->sql. "\n";
        });
    }
}

return [
    // ... 这里省略其它配置 ...
    app\bootstrap\Report::class,
];