2023-06-03 15:10:43.394 ERROR 15780 --- [ main] c.a.c.n.registry.NacosServiceRegistry : nacos registry, oder-service register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='我服务器的IP地址和端口', endpoint='', namespace='public', watchDelay=30000, logName='', service='oder-service', weight=1.0, clusterName='DEFAULT', group='DEFAULT_GROUP', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.37.1', networkInterface='', port=8020, secure=false, accessKey='', secretKey='', heartBeatInterval=null, heartBeatTimeout=null, ipDeleteTimeout=null}},

com.alibaba.nacos.api.exception.NacosException: failed to req API:/nacos/v1/ns/instance after all servers([我服务器的IP地址和端口]) tried: ErrCode:400, ErrMsg:

Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

除了这个报错信息，还有其余的吗？？
里面好几个日志文件噶，都去查一下，这个没看到很有用的日志信息😂
还有，集群和单机部署，配置不一样啊，集群需要配置好才可以。

提个建议哦，老铁以后遇到这种开源框架集成问题，要么你去github 对应的仓库里看issues。要么你就把错误信息和版本，环境贴全。
我去github nacos的issues里看了一下类似的，你可以做个参考
https://github.com/alibaba/nacos/issues/9940
https://github.com/alibaba/nacos/issues?q=%E9%9B%86%E7%BE%A4