code: public void processMixPushMessage(String message) {
      if (!StringUtil.isEmpty(message)) {
        String channel = getChannel(message);
        if (channel == null || !containsDefaultPushCallback(channel)) {
          channel = AVOSCloud.getApplicationId();
        }
  
        String action = getAction(message);
        boolean isSlient = getSilent(message);
        if (action != null) {
          sendBroadcast(channel, message, action);
        } else if (!isSlient) {
          sendNotification(channel, message);
        } else {
          LOGGER.e("ignore push silent message: " + message);
        }
      }
    }
docs: 处理透传消息（华为只有透传）
  @param message