diff --git a/src/main/java/com/loafle/overflow/service/central/infra/InfraService.java b/src/main/java/com/loafle/overflow/service/central/infra/InfraService.java
index 72bb993..299c8dd 100644
--- a/src/main/java/com/loafle/overflow/service/central/infra/InfraService.java
+++ b/src/main/java/com/loafle/overflow/service/central/infra/InfraService.java
@@ -8,7 +8,6 @@ import com.loafle.overflow.core.model.PageParams;
 import com.loafle.overflow.model.discovery.Host;
 import com.loafle.overflow.model.discovery.Service;
 import com.loafle.overflow.model.infra.Infra;
-import com.loafle.overflow.model.infra.InfraZone;
 
 import org.springframework.data.domain.Page;
 
@@ -30,5 +29,5 @@ public interface InfraService {
   Page<Infra> readAllByDomainID(Long domainID, PageParams pageParams) throws OverflowException;
 
   @WebappAPI
-  InfraZone regist(Long probeID, List<Host> hosts, List<Service> services) throws OverflowException;
+  List<Infra> regist(Long probeID, List<Host> hosts, List<Service> services) throws OverflowException;
 }