dou-smallapp/app/Service/CustomerServ...

<?php

namespace App\Service;

use App\Models\ImService;

class CustomerServiceService
{
    public static function getCustomerService($appId) {
        $list = ImService::getList($appId);
        $info = $list->first();
        $account = !empty($info->account) ? $info->account : '';
        return ['account' => $account];
    }
}