toss_api_wiki/application/index/controller/Update.php

<?php
/**
 * Created by PhpStorm.
 * User: chengxun
 * Date: 2017/11/10
 * Time: 15:26
 */

namespace app\index\controller;


use think\Controller;
use think\Request;

class Update extends Controller
{
    public function index(){

        echo date('Y-m-d H:i:s',time());
        $post_data = Request::instance()->param();
        $msg = system("cd /home/www/toss_api_wiki;git reset --hard;git pull");
        echo '成功';

    }
}