text: var mp3 = $("#mp3")[0];
  var play = 0;
  if(sessionStorage.num){
      document.getElementById("remind").innerText = sessionStorage.num;
  }
  $.ajax({
      url:"realTimeNotify",
      success:function (data) {
          sessionStorage.num = data;
          document.getElementById("remind").innerText = data;
          play = data;
          if(play > 0){
              mp3.play();
          }
      }
  })
  setInterval(function () {
      $.ajax({
          url:"realTimeNotify",
          success:function (data) {
              sessionStorage.num = data;
              document.getElementById("remind").innerText = data;
              play = data;
              if(play > 0){
                  mp3.play();
              }
          }
      })
  },180000)