CN registers the default container address, which prevents me from connecting

[zhbdesign]

I use demo/documentation samples/restart
/docker-compose.yml
When starting Starrocks and using Flink-connection-starrocks-1.2.9_flink-1.15 to collect MySQL data for storage, the connector will access the 8040 port of CN, but CN registers the default container address, which prevents me from connecting