....

examcloud-core-examwork-starter/src/main/resources/application.properties

@@ -31,6 +31,7 @@ $rmp.ctr.oe=/api/ecs_oe
 
 eureka.instance.lease-renewal-interval-in-seconds=3
 eureka.instance.lease-expiration-duration-in-seconds=5
+eureka.instance.prefer-ip-address=true
 
 app.em.photo.path=/Users/ting.yin/Downloads
 app.em.facepp.key=e94d4a6a1ea8749144328be96a40e388