code: @Override
    public void onUpdateNotificationBuilder(com.meizu.cloud.pushsdk.notification.PushNotificationBuilder pushNotificationBuilder) {
      //重要,详情参考应用小图标自定设置
      if (AVMixPushManager.flymeMStatusBarIcon != 0) {
        pushNotificationBuilder.setmStatusbarIcon(AVMixPushManager.flymeMStatusBarIcon);
      }
    }
docs: 处理通知栏消息