curl -XPOST '{内网地址}:{eureka 协议端口}/eureka/v2/apps/EUREKA-DEMO-PROVIDER' \
--header 'Content-Type: application/json' \
--data-raw '{
    "instance": {
        "instanceId": "10.91.80.100:eureka-demo-provider:18081",
        "hostName": "10.91.80.100",
        "app": "EUREKA-DEMO-PROVIDER",
        "ipAddr": "10.91.80.100",
        "status": "UP",
        "overriddenStatus": "UNKNOWN",
        "port": {
            "$": 18081,
            "@enabled": "true"
        },
        "securePort": {
            "$": 443,
            "@enabled": "false"
        },
        "countryId": 1,
        "dataCenterInfo": {
            "@class": "com.netflix.appinfo.InstanceInfo$DefaultDataCenterInfo",
            "name": "MyOwn"
        },
        "leaseInfo": {
            "renewalIntervalInSecs": 30,
            "durationInSecs": 90,
            "registrationTimestamp": 0,
            "lastRenewalTimestamp": 0,
            "evictionTimestamp": 0,
            "serviceUpTimestamp": 0
        },
        "metadata": {
            "management.port": "18081"
        },
        "homePageUrl": "http://10.91.80.100:18081/",
        "statusPageUrl": "http://10.91.80.100:18081/actuator/info",
        "healthCheckUrl": "http://10.91.80.100:18081/actuator/health",
        "vipAddress": "EUREKA-DEMO-PROVIDER",
        "secureVipAddress": "EUREKA-DEMO-PROVIDER",
        "isCoordinatingDiscoveryServer": "false",
        "lastUpdatedTimestamp": "1681266990026",
        "lastDirtyTimestamp": "1681266990889"
    }
}'