diff --git a/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraService.java b/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraService.java
index 119192a..ad47647 100644
--- a/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraService.java
+++ b/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraService.java
@@ -153,8 +153,7 @@ public class CentralInfraService implements InfraService {
     InfraHostIP eInfraHostIP = this.infraHostIPService.readByInfraHostInfraZoneIDAndMetaIPTypeKeyAndAddress(
         infraZone.getId(), infraHostIP.getMetaIPType().getKey(), host.getAddress());
     if (null != eInfraHostIP) {
-      throw new OverflowException(String.format("IP[%s(%s)] of Zone[%s] is exist already", host.getAddress(),
-          infraHostIP.getMetaIPType().getName(), infraZone.getNetwork()));
+      return eInfraHostIP.getInfraHost();
     }
 
     InfraHost infraHost = new InfraHost();