hainan/app/Models/DiyFormField.php

<?php

namespace App\Models;

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

class DiyFormField extends Model
{
	use HasDateTimeFormatter;

	protected $casts = ['options' => 'json'];
	protected $guarded = ['id'];

	public function __construct(array $attributes = [])
	{
		parent::__construct($attributes);
		$this->timestamps = false;
	}

    public function form()
	{
		return $this->belongsTo(DiyForm::class);
	}
}