我有一个spring集成流程,涉及异步执行、从网关向Controller返回值、返回值后继续集成流程。这是网关:@MessagingGatewaypublicinterfaceGW{@Gateway(requestChannel="f.input")Taskinput(Collectionmessages);}流程如下:@BeanIntegrationFlowjFlow(){returnIntegrationFlows.from(MessageChannels.executor("f.input",executor())).split().channel(MessageChannels