live_product_api/app/api/controller/v1/News.php

<?php
// +----------------------------------------------------------------------
// | [ WE CAN DO IT MORE SIMPLE  ]
// +----------------------------------------------------------------------
// | Copyright (c) 2018-2020 rights reserved.
// +----------------------------------------------------------------------
// | Author: TABLE ME
// +----------------------------------------------------------------------
// | Date: 2020-08-31 20:43
// +----------------------------------------------------------------------

namespace app\api\controller\v1;


use app\BaseController;
use app\model\system\Platform as PlatformModel;
use app\Request;
use library\services\UtilService;
use think\facade\Db;

class News extends  BaseController
{

    public function about(Request $request){
        $about = Db::name("site_about")->where('sassid',$request->site['sassid'])->value('content');
        return app('json')->success(['about'=>empty($about) ? '' : $about]);
    }
}