private String processChair(String chairColumn) throws Exception {
		// 参数检查
		if (chairColumn == null) {
			throw new Exception("非法参数异常！");
		}
		if ("--".equals(chairColumn.trim())) {
			return null;
		}
		if (chairColumn.contains("font")) {
			Element font = Jsoup.parseBodyFragment(chairColumn).body().getElementsByTag("font").get(0);
			return font.text();
		}
		return chairColumn;
	}