hainan/app/Models/DiyForm.php

<?php

namespace App\Models;

use Dcat\Admin\Traits\HasDateTimeFormatter;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Model;

class DiyForm extends Model
{
	use HasDateTimeFormatter;
    use SoftDeletes;

    public function fields()
	{
		return $this->hasMany(DiyFormField::class)->orderBy('sort');
	}
}