owl-admin/app/Models/Wallet.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\SoftDeletes;
use Slowlyo\OwlAdmin\Models\BaseModel as Model;

/**
 * 钱包
 */
class Wallet extends Model
{
	use SoftDeletes;

	protected $table = 'wallet';

	protected $fillable = [
        'owner_type', // 添加这一行以允许 mass assignment
    ];

}