spring cloud eureka 注册服务显示IP端口号

<dependency>
	<groupId>org.springframework.cloud</groupId>
	<artifactId>spring-cloud-commons</artifactId>
	<version>2.1.0.RELEASE</version>
</dependency>

eureka:
  client:
    service-url:
      defaultZone: http://10.168.16.101:8761/eureka/
  instance:
    instance-id: ${spring.cloud.client.ip-address}:${spring.application.instance_id:${server.port}}
    prefer-ip-address: true