将以下代码添加至后台-开发者设置-首页列表最前方广告位。

/*首页倒计时*/
<style> 
.gn_box{     border: none;     border-radius: 15px; } 
.gn_box {     padding: 10px 14px;     margin: 10px;     margin-bottom: 20px;     text-align: center;     background-color: #fff; } 
#t_d{     color: #982585;     font-size: 18px; } 
#t_h{     color: #8f79c1;     font-size: 18px; } 
#t_m{     color: #65b4b5;     font-size: 18px; } 
#t_s{     color: #83caa3;     font-size: 18px; } 
</style> 
<div class="gn_box">   
<h1><font color=#E80017>2</font><font color=#D1002E>0</font><font color=#BA0045>2</font><font color=#A3005C>1</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></h1><center>
<div id="CountMsg" class="HotDate"><span id="t_d"> 天</span><span id="t_h"> 时</span><span id="t_m"> 分</span><span id="t_s"> 秒</span></div></center>
<script type="text/javascript"> 
function getRTime() {   
    var EndTime = new Date('2021/01/01 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); 
    var day = document.getElementById("t_d");
    if (day != null) {
        day.innerHTML = d + " 天";   
    }
    var hour = document.getElementById("t_h");
    if (hour != null) {
        hour.innerHTML = h + " 时";  
    }
    var min = document.getElementById("t_m");
    if (min != null) {
        min.innerHTML = m + " 分";   
    }
    var sec = document.getElementById("t_s");
    if (sec != null) {
        sec.innerHTML = s + " 秒";
    }
}   
setInterval(getRTime, 1000);   
</script> </div>