同一工程下的e-commerce-alibaba-nacos-client 可以注册到我的nacos，但是e-commerce-authority-center 无法注册到nacos，对比了老师的代码，没差别。我把老师的代码拉下来导入也是无法注册在nacos
报错信息：
nacos registry, e-commerce-authority-center register failed…NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr=‘180.76.165.251:8848’, endpoint=’’, namespace=‘a3ce08b4-42ff-4c97-b991-f6e5e999aadb’, watchDelay=30000, logName=’’, service=‘e-commerce-authority-center’, weight=1.0, clusterName=‘DEFAULT’, group=‘DEFAULT_GROUP’, namingLoadCacheAtStart=‘false’, metadata={preserved.register.source=SPRING_CLOUD, management.context-path=/ecommerce-authority-center/actuator}, registerEnabled=true, ip=‘192.168.0.101’, networkInterface=’’, port=9930, 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([180.76.165.251:8848]) tried: ErrCode:400, ErrMsg:

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