Dw一直提示代码错误。。代码也没有输出，请教大神哪里错了

Question

<div>
  <p>
    <span id="time"></span>
    <script type="text/javascript">
    var date=new Date();
    var year=date.getFullYear();
    var month=date.getMonth()+1;
    var day=date.getDate();
    var weekday=["周日","周一","周二","周三","周四","周五","周六"];
    var num=date.getDay();
	function clock(){
	var hour=date.getHours();	
    if(hour<10){
	   hour="0"+hour;
	   {
    var minutes=date.getMinutes();
    if(minutes<10){
	   minutes="0"+minutes;
    }
    var seconds=date.getSeconds();
    if(seconds<10){
	   seconds="0"+seconds;
    }
	var time=hour+":"+minutes+":"+seconds;
	document.getElementById("clock").value=time;
	}
	setInterval(clock,1000);
	document.write(year+"年-"+month+"月-"+day+"日"+"今天是:"+weekday[num]);
	</script>
  </p>
</div>

DW的错误提示显示在</script>这一行

Answer 1

第15行的花括号，方向反了。