// ==UserScript==
// @name          Hello World
// @namespace     http://diveintogreasemonkey.org/download/
// @description   example script to alert "Hello world!" on every page
// @include       http://http://www.piaotian.com/*
// @version 0.0.1.20171118141536
// @downloadURL none
// ==/UserScript==
alert('Hello world!');