jucai/app/Models/CompanyFavorite.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class CompanyFavorite extends Model
{
    protected $guarded = [];
    protected $table = 'company_favorites';

    public function resumes()
    {
         return $this->belongsTo(Resume::class, 'resume_id');
    }

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