             <div className="ui segment">
               <h4 className="ui header">用时</h4>
               <p>
-                <span>00：01：38</span>
+                {@outputSeconds()}
               </p>
             </div>
 
             <div className="ui segment">
               <h4 className="ui header">正确率</h4>
               <div className="ui progress teal">
-                <div className="bar" style={{"transition-duration": "300ms", "width": "80%"}}>
+                <div className="bar" style={{"transitionDuration": "300ms", "width": "80%"}}>
                   <div className="progress">80%</div>
                 </div>
               </div>

@ExerciseChinesePage = React.createClass
  render: ->
    <div className="">
      <div className="ui top attached tabular menu">

            <div className="ui segment">
              <h4 className="ui header">控制</h4>
              <p>
                {
                  if @state.play
                    <a href="javascript:;" className="ui button icon teal" onClick={@toggle_play}>
                      <i className="pause icon"></i>
                    </a>
                  else
                    <a href="javascript:;" className="ui button icon teal" onClick={@toggle_play}>
                      <i className="play icon"></i>
                    </a>
                }
                <a href="#" className="ui button icon teal">
                  <i className="reply icon"></i>
                </a>
