音乐不播放

Question

嗨，我试图播放声音我已经将媒体插入图书馆，但它没有播放，但这里跟踪工作...... 请有人帮我找到它谢谢...

import flash.net.URLRequest;
import flash.media.Sound;
import flash.events.MouseEvent;

stop();

var Myrequest:URLRequest = new URLRequest("hello.wav");
var mySound:Sound = new Sound();
mySound.load(Myrequest);

musicBtn.addEventListener(MouseEvent.CLICK, OnPlay);

function OnPlay(e:MouseEvent)
 {
   mySound.play();
   trace("ok");
  }