old_contents: import TimeLine from './TimeLine';
  import ArticlePreviewItem from './ArticlePreviewItem';
  import CalendarDecorator from './CalendarDecorator';
  
  class ArticlePreview extends React.Component{
  	constructor(props){
  		super(props);
  	}
  
  	render(){
  		return (
  			<div className='drip-ui-article-preview'>
  				<TimeLine/>
  				{
  					this.props.articles.map((article,index)=> {
  						let datetime = new Date(parseInt(article.createDate));
  						return (
  							<div key={'article.id'+index} className='drip-ui-article-item-wrapper'>
  								
  								<CalendarDecorator datetime={datetime}/>
  								<ArticlePreviewItem  {...article} />
  							</div>
  							);
  					})
  				}
  			</div>
  			);
  	}
  }
  
  ArticlePreview.defaultProps = {
  	articles :[]
  };
  
  ArticlePreview.propTypes = {
  	articles: React.PropTypes.array
  };
  
  export default ArticlePreview;
new_contents: import TimeLine from './Timeline';
  import ArticlePreviewItem from './ArticlePreviewItem';
  import CalendarDecorator from './CalendarDecorator';
  
  class ArticlePreview extends React.Component{
  	constructor(props){
  		super(props);
  	}
  
  	render(){
  		return (
  			<div className='drip-ui-article-preview'>
  				<TimeLine/>
  				{
  					this.props.articles.map((article,index)=> {
  						let datetime = new Date(parseInt(article.createDate));
  						return (
  							<div key={'article.id'+index} className='drip-ui-article-item-wrapper'>
  								
  								<CalendarDecorator datetime={datetime}/>
  								<ArticlePreviewItem  {...article} />
  							</div>
  							);
  					})
  				}
  			</div>
  			);
  	}
  }
  
  ArticlePreview.defaultProps = {
  	articles :[]
  };
  
  ArticlePreview.propTypes = {
  	articles: React.PropTypes.array
  };
  
  export default ArticlePreview;
subject: fix issue