ss-visit/app/Models/Upload.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;

class Upload extends CommonModel
{
    use HasFactory;

    protected $appends = ['url'];

    public function getUrlAttribute()
    {
        return getDomain() . '/' . $this->attributes['folder'] . '/' . $this->name;
    }

}