diff --git a/spring-cloud-starter-cosky-discovery-ribbon/src/main/java/me/ahoo/cosky/discovery/spring/cloud/discovery/ribbon/CoskyServer.java b/spring-cloud-starter-cosky-discovery-ribbon/src/main/java/me/ahoo/cosky/discovery/spring/cloud/discovery/ribbon/CoskyServer.java
index debb793b..bc7a454d 100644
--- a/spring-cloud-starter-cosky-discovery-ribbon/src/main/java/me/ahoo/cosky/discovery/spring/cloud/discovery/ribbon/CoskyServer.java
+++ b/spring-cloud-starter-cosky-discovery-ribbon/src/main/java/me/ahoo/cosky/discovery/spring/cloud/discovery/ribbon/CoskyServer.java
@@ -1,7 +1,6 @@
 package me.ahoo.cosky.discovery.spring.cloud.discovery.ribbon;
 
 import com.netflix.loadbalancer.Server;
-import me.ahoo.cosky.discovery.Instance;
 import me.ahoo.cosky.discovery.ServiceInstance;
 
 /**