EMERGENCY! EUREKA MAY BE INCORRECTLY CLAIMING INSTANCES ARE UP WHEN THEY'RE NOT. RENEWALS ARE LESSER THAN THRESHOLD AND HENCE THE INSTANCES ARE NOT BEING EXPIRED JUST TO BE SAFE.
主要是由于服务未使用高可用的注册服务中心，调整服务的配置文件的服务注册中心为多个
application.properties
server.port=8010 # 服务命名 spring.application.name=hello-service eureka.client.serviceUrl.defaultZone=http://eureka-server:1111/eureka/
修改为
server.port=8010 # 服务命名 spring.application.name=hello-service eureka.client.serviceUrl.defaultZone=http://eureka-server:1111/eureka/,http://eureka-server2:2222/eureka/
