springcloud gateway代理get正常、post请求报错的问题

java.lang.IllegalStateException: Only one connection receive subscriber allowed.
	at reactor.ipc.netty.channel.FluxReceive.startReceiver(FluxReceive.java:279) [reactor-netty-0.7.10.RELEASE.jar:0.7.10.RELEASE]
	at reactor.ipc.netty.channel.FluxReceive.lambda$subscribe$2(FluxReceive.java:129) [reactor-netty-0.7.10.RELEASE.jar:0.7.10.RELEASE]
	at reactor.ipc.netty.channel.FluxReceive$$Lambda$714/21949105.run(Unknown Source) [reactor-netty-0.7.10.RELEASE.jar:0.7.10.RELEASE]
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-common-4.1.29.Final.jar:4.1.29.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) [netty-common-4.1.29.Final.jar:4.1.29.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:446) [netty-transport-4.1.29.Final.jar:4.1.29.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) [netty-common-4.1.29.Final.jar:4.1.29.Final]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40]

 @Bean
    public HiddenHttpMethodFilter hiddenHttpMethodFilter() {
        return new HiddenHttpMethodFilter() {
            @Override
            public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
                return chain.filter(exchange);
            }
        };
    }