text: /* 
  * @Author: zhouyan
  * @Date:   2015-10-03 11:35:43
  * @Last Modified by:   zhouyan
  * @Last Modified time: 2015-10-03 11:37:18
  */
  
  //侧边nav hover效果
  $('.nav li').hover(function() {
  	$(this).addClass('current');
  }, function() {
  	$(this).removeClass('current');
  });