@Value("${wx.refund.cert.path}")
	public String certificateFile;
/**
	 * 退款、撤銷 訂單支付使用的payProxy
	 * @return
	 */
	private WeixinPayProxy createSSLPayProxy() {
		ManagerConfigPublicInfo config = managerConfigPublicInfoDao.getConfig();
		WeixinPayAccount weixinPayAccount = new WeixinPayAccount(config.getWxappId(), config.getWxPaySignKey(),
				config.getWxMchId(), config.getWxMchId(), certificateFile);
		WeixinPayProxy payProxy = new WeixinPayProxy(weixinPayAccount);
		return payProxy;
	}