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 3c154a9..eb83575 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
@@ -2,6 +2,7 @@ package com.loafle.overflow.service.central.infra;
 
 import java.util.List;
 
+import com.loafle.overflow.core.exception.OverflowException;
 import com.loafle.overflow.core.model.PageParams;
 import com.loafle.overflow.model.domain.Domain;
 import com.loafle.overflow.model.infra.Infra;
@@ -15,11 +16,11 @@ import org.springframework.data.domain.Page;
  */
 
 public interface InfraService {
-  Infra regist(Infra infra);
-  Infra read(long id);
-  Page<Infra> readAllByProbe(Probe probe, PageParams pageParams);
-  Page<Infra> readAllByDomain(Domain domain, PageParams pageParams);
-  List<Target> readAllTargetByDomain(Domain domain);
-  List<Target> readAllTargetByProbeList(List<Probe> probeList);
-  Infra readByTarget(Target target);
+  Infra regist(Infra infra) throws OverflowException;
+  Infra read(long id) throws OverflowException;
+  Page<Infra> readAllByProbe(Probe probe, PageParams pageParams) throws OverflowException;
+  Page<Infra> readAllByDomain(Domain domain, PageParams pageParams) throws OverflowException;
+  List<Target> readAllTargetByDomain(Domain domain) throws OverflowException;
+  List<Target> readAllTargetByProbeList(List<Probe> probeList) throws OverflowException;
+  Infra readByTarget(Target target) throws OverflowException;
 }