@Override
        public SofaResponse invoke(SofaRequest request) throws SofaRpcException {
            this.metaHolder = new HashMap<>(RpcInvokeContext.getContext().getCustomHeader());
            return null;
        }
@author <a href=mailto:orezsilence@163.com>zhangchengxi</a>
remoting/remoting-triple/src/test/java/com/alipay/sofa/rpc/filter/PressureMarkTransformFilterTest.java