docs: public static WxaUserInfo validateUserInfo(String session_key, String rawData, String signature) {
  		try {
  			if (DigestUtils.shaHex(rawData + session_key).equals(signature)) {
  				return JsonUtil.parseObject(rawData, WxaUserInfo.class);
  			}
  		} catch (Exception e) {
  			logger.error("", e);
  		}
  		return null;
  	}