baoshi-was/app/OracleDocOrderSubSerialNo.php

<?php

namespace App;

use App\Traits\ModelTimeFormat;
use Illuminate\Database\Eloquent\Model;

use App\Traits\ModelLogChanging;

class OracleDocOrderSubSerialNo extends Model
{
    use ModelLogChanging;

    use ModelTimeFormat;
    protected $connection="oracle";
    protected $table="DOC_Order_SubSerialNO";
    public $timestamps=false;

    public function getIncrementing(): bool
    {
        return false;
    }

}