问题：别人dubbo总是调不通我的服务

org.apache.dubbo.remoting.RemotingException: client(url: dubbo://192.168.56.1:28085/com.alibaba.cloud.dubbo.service.DubboMetadataService?actives=100&anyhost=true&application=seckill-service&bind.ip=192.168.56.1&bind.port=28085&check=false&codec=dubbo&connect.lazy.initial.state=true&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&group=cart-service&heartbeat=60000&interface=com.alibaba.cloud.dubbo.service.DubboMetadataService&methods=getAllServiceKeys,getServiceRestMetadata,getExportedURLs,getAllExportedURLs&pid=23444&qos.enable=false&register.ip=192.168.8.102&release=2.7.12&remote.application=cart-service&revision=2.2.7.RELEASE&router=-default,revisionRouter&sca_revision=4F663C449502A050C7216B07EE4866D5&send.reconnect=true&service.name=ServiceBean:cart-service/com.alibaba.cloud.dubbo.service.DubboMetadataService:1.0.0&side=consumer&sticky=false&timeout=5000&timestamp=1690978959234&version=1.0.0) failed to connect to server /192.168.56.1:28085 client-side timeout 3000ms (elapsed: 3002ms) from netty client 192.168.8.102 using dubbo version 2.7.12
        at org.apache.dubbo.remoting.transport.netty4.NettyClient.doConnect(NettyClient.java:174)
        at org.apache.dubbo.remoting.transport.AbstractClient.connect(AbstractClient.java:198)
        at org.apache.dubbo.remoting.transport.AbstractClient.<init>(AbstractClient.java:73)
        at org.apache.dubbo.remoting.transport.netty4.NettyClient.<init>(NettyClient.java:82)