old_contents: import cnode from '../cnode'
  
  cnode.filter('diffDate', [() => {
  	return (date) => {
  		let diff = (Date.now() - (new Date(date).getTime())) / 1000
  		switch(true) {
  			case diff < 0:
  				return '现在'
  			case (diff/=60) < 1:
  				return parseInt(diff*60) + ' 秒以前'
  			case (diff/=60) < 1:
  				return parseInt(diff*60) + ' 分钟以前'
  			case (diff/=24) < 1:
  				return parseInt(diff*24) + ' 小时以前'
  			case (diff/=30) < 1:
  				return parseInt(diff*30) + ' 天以前'
  			case (diff/=12) < 1:
  				return parseInt(diff*12) + ' 月以前'
  			default:
  				return parseInt(diff) + ' 年以前'
  		}
  	}
  }])
new_contents: import cnode from '../cnode'
  
  cnode.filter('diffDate', [() => {
  	return (date) => {
  		let diff = (Date.now() - (new Date(date).getTime())) / 1000
  		switch(true) {
  			case diff < 0:
  				return '现在'
  			case (diff/=60) < 1:
  				return parseInt(diff*60) + ' 秒以前'
  			case (diff/=60) < 1:
  				return parseInt(diff*60) + ' 分钟以前'
  			case (diff/=24) < 1:
  				return parseInt(diff*24) + ' 小时以前'
  			case (diff/=30) < 1:
  				return parseInt(diff*30) + ' 天以前'
  			case (diff/=12) < 1:
  				return parseInt(diff*12) + ' 月以前'
  			default:
  				return (parseInt(diff) || 0) + ' 年以前'
  		}
  	}
  }])
subject: fix NaN error