diff --git a/src/main/java/com/loafle/overflow/central/module/target/service/CentralTargetService.java b/src/main/java/com/loafle/overflow/central/module/target/service/CentralTargetService.java
index 85a161b..2f61c6d 100644
--- a/src/main/java/com/loafle/overflow/central/module/target/service/CentralTargetService.java
+++ b/src/main/java/com/loafle/overflow/central/module/target/service/CentralTargetService.java
@@ -3,27 +3,20 @@ package com.loafle.overflow.central.module.target.service;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.loafle.overflow.central.commons.utils.PageUtil;
 import com.loafle.overflow.central.module.probe.service.CentralProbeService;
 import com.loafle.overflow.central.module.target.dao.TargetDAO;
 import com.loafle.overflow.core.exception.OverflowException;
-import com.loafle.overflow.core.model.PageParams;
 import com.loafle.overflow.model.infra.Infra;
 import com.loafle.overflow.model.infra.InfraHost;
 import com.loafle.overflow.model.meta.MetaInfraType;
 import com.loafle.overflow.model.meta.MetaTargetHostType;
-import com.loafle.overflow.model.meta.MetaTargetServiceType;
-import com.loafle.overflow.model.meta.MetaTargetType;
-import com.loafle.overflow.model.meta.MetaTargetTypeCategory;
 import com.loafle.overflow.model.probe.Probe;
 import com.loafle.overflow.model.target.Target;
 import com.loafle.overflow.service.central.infra.InfraService;
-import com.loafle.overflow.service.central.meta.MetaTargetHostTypeMappingService;
 import com.loafle.overflow.service.central.meta.MetaTargetServiceTypeService;
 import com.loafle.overflow.service.central.target.TargetService;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.domain.Page;
 import org.springframework.transaction.annotation.Transactional;
 
 /**
@@ -38,8 +31,6 @@ public class CentralTargetService implements TargetService {
   private InfraService infraService;
   @Autowired
   private CentralProbeService probeService;
-  @Autowired
-  private MetaTargetServiceTypeService metaTargetServiceTypeService;
 
   @Transactional
   public Target regist(Target target, Long probeID) throws OverflowException {
@@ -92,11 +83,11 @@ public class CentralTargetService implements TargetService {
       Target target = new Target();
       target.setInfra(infra);
       target.setSensorCount(0);
-      if (metaInfraTypeKey.equals(MetaInfraType.Enum.HOST.to().getKey())) {
+      if (metaInfraTypeKey.equals("HOST")) {
         InfraHost infraHost = (InfraHost) infra;
         target.setMetaTargetType(MetaTargetHostType.Enum.UNKNOWN.to());
         target.setName(infraHost.getInfraHostIPs().get(0).getAddress());
-      } else if (metaInfraTypeKey.equals(MetaInfraType.Enum.SERVICE.to().getKey())) {
+      } else if (metaInfraTypeKey.equals("SERVICE")) {
         com.loafle.overflow.model.infra.InfraService infraService = (com.loafle.overflow.model.infra.InfraService) infra;
         target.setMetaTargetType(infraService.getMetaTargetServiceType());
         String name = infraService.getMetaTargetServiceType().getName() + " on "