3、在浏览器内->F12->找到控制台(console)->复制代码到输入框内->回车

setInterval(function(){
        document.getElementById('g_iframe').contentWindow.document.getElementsByClassName("icn-del")[0].click();
        document.getElementById('g_iframe').contentWindow.document.getElementsByClassName("lybtn")[0].children[0].click();
},500);