jucai/app/Models/Thirdlogin.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Thirdlogin extends Model
{
    protected static $unguarded = true;

    public function member()
    {
        return $this->belongsTo(Member::class, 'uid');
    }

    public function company()
    {
        return $this->belongsTo(Company::class, 'uid');
    }
}