<div class="gn_box">
<h1><center><font color=#E80017>2</font><font color=#D1002E>0</font><font color=#BA0045>2</font><font color=#A3005C>2</font><font
color=#8C0073>年</font><font color=#75008A>-</font><font color=#5E00A1>新</font><font
color=#4700B8>年</font><font color=#3000CF>倒</font><font color=#1900E6>计</font><font color=#0200FD>时</font>
</center></h1>
<center>
<div id="CountMsg" class="HotDate">
<span id="t_d">157 天</span>
<span id="t_h">9 时</span>
<span id="t_m">7 分</span>
<span id="t_s">42 秒</span>
</div>
</center>
<script type="text/javascript"> function getRTime() {
var EndTime = new Date('2022/02/01 00:00:00');
var NowTime = new Date();
var t = EndTime.getTime() - NowTime.getTime();
var d = Math.floor(t / 1000 / 60 / 60 / 24);
var h = Math.floor(t / 1000 / 60 / 60 % 24);
var m = Math.floor(t / 1000 / 60 % 60);
var s = Math.floor(t / 1000 % 60);
document.getElementById("t_d").innerHTML = d + " 天";
document.getElementById("t_h").innerHTML = h + " 时";
document.getElementById("t_m").innerHTML = m + " 分";
document.getElementById("t_s").innerHTML = s + " 秒";
}
setInterval(getRTime, 1000);
</script>
</div>

直接区块中添加即可