@RequestMapping(value = "/article/list")
	public List<Map<String, Object>> list() {
		List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
		SearchResponse response = client.prepareSearch("information").setTypes("article")
				.setSearchType(SearchType.DFS_QUERY_THEN_FETCH).addSort("ctime", SortOrder.DESC)
				.setFrom(0).setSize(60).setExplain(true).get();
		for (final SearchHit hit : response.getHits().getHits()) {
			System.out.println(hit.getSourceAsString());
			hit.getSourceAsMap().remove("content");
			list.add(hit.getSourceAsMap());
		}
		return list;
	}