hainan/app/Models/WithdrawalBank.php

<?php

namespace App\Models;

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

class WithdrawalBank extends Model
{
	use HasDateTimeFormatter;
    use SoftDeletes;

    protected $table = 'withdrawal_bank';

	public function withdrawal()
	{
		return $this->morphOne('App\Models\Withdrawal', 'pay');
	}
}