diff --git a/pom.xml b/pom.xml
index b6f4987..0bf06e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>com.loafle.overflow</groupId>
             <artifactId>commons-java</artifactId>
-            <version>1.0.71-SNAPSHOT</version>
+            <version>1.0.72-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraHostPortService.java b/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraHostPortService.java
index 49b0793..7a193cf 100644
--- a/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraHostPortService.java
+++ b/src/main/java/com/loafle/overflow/central/module/infra/service/CentralInfraHostPortService.java
@@ -55,8 +55,8 @@ public class CentralInfraHostPortService implements InfraHostPortService {
   public InfraHostPort regist(InfraHostPort infraHostPort) throws OverflowException {
     infraHostPort = this.validate(infraHostPort);
 
-    if (null == infraHostPort.getInfraHost()) {
-      throw new OverflowException("InfraHost is not valid");
+    if (null == infraHostPort.getInfraHostIP()) {
+      throw new OverflowException("InfraHostIP is not valid");
     }
 
     return this.infraHostPortDAO.save(infraHostPort);
@@ -66,6 +66,11 @@ public class CentralInfraHostPortService implements InfraHostPortService {
     return this.infraHostPortDAO.findById(id).get();
   }
 
+  public InfraHostPort readByInfraHostIPIDAndMetaPortTypeKeyAndPort(Long infraHostIPID, String metaPortTypeKey,
+      Integer port) throws OverflowException {
+    return this.infraHostPortDAO.findByInfraHostIdAndMetaPortTypeKeyAndPort(infraHostIPID, metaPortTypeKey, port);
+  }
+
   public InfraHostPort readByInfraHostIDAndMetaPortTypeKeyAndPort(Long infraHostID, String metaPortTypeKey,
       Integer port) throws OverflowException {
     return this.infraHostPortDAO.findByInfraHostIdAndMetaPortTypeKeyAndPort(infraHostID, metaPortTypeKey, port);
@@ -73,6 +78,7 @@ public class CentralInfraHostPortService implements InfraHostPortService {
 
   public InfraHostPort readByInfraHostInfraZoneIDAndMetaPortTypeKeyAndPort(Long infraHostInfraZoneID,
       String metaPortTypeKey, Integer port) throws OverflowException {
-    return this.infraHostPortDAO.findByInfraHostInfraZoneIdAndMetaPortTypeKeyAndPort(infraHostInfraZoneID, metaPortTypeKey, port);
+    return this.infraHostPortDAO.findByInfraHostInfraZoneIdAndMetaPortTypeKeyAndPort(infraHostInfraZoneID,
+        metaPortTypeKey, port);
   }
 }
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 c9bf701..9ecf175 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
@@ -14,17 +14,12 @@ import com.loafle.overflow.model.discovery.Port;
 import com.loafle.overflow.model.discovery.Zone;
 import com.loafle.overflow.model.infra.Infra;
 import com.loafle.overflow.model.infra.InfraHost;
-import com.loafle.overflow.model.infra.InfraHostApplication;
-import com.loafle.overflow.model.infra.InfraHostDaemon;
 import com.loafle.overflow.model.infra.InfraHostIP;
-import com.loafle.overflow.model.infra.InfraHostMachine;
 import com.loafle.overflow.model.infra.InfraHostOS;
 import com.loafle.overflow.model.infra.InfraHostPort;
 import com.loafle.overflow.model.infra.InfraZone;
 import com.loafle.overflow.model.meta.MetaCryptoType;
-import com.loafle.overflow.model.meta.MetaIPType;
 import com.loafle.overflow.model.meta.MetaInfraType;
-import com.loafle.overflow.model.meta.MetaPortType;
 import com.loafle.overflow.model.meta.MetaTargetHostType;
 import com.loafle.overflow.model.meta.MetaTargetZoneType;
 import com.loafle.overflow.service.central.infra.InfraService;
@@ -39,7 +34,6 @@ import inet.ipaddr.IPAddress;
 import inet.ipaddr.IPAddressString;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 
 @Service("InfraService")
@@ -248,11 +242,10 @@ public class CentralInfraService implements InfraService {
           infraHostIP.getMetaIPType().getName()));
     }
 
-    infraHostPort.setInfraHost(infraHost);
+    infraHostPort.setInfraHostIP(infraHostIP);
     infraHostPort = this.infraHostPortService.regist(infraHostPort);
 
     com.loafle.overflow.model.infra.InfraService infraService = new com.loafle.overflow.model.infra.InfraService();
-    infraService.setInfraHostIP(infraHostIP);
     infraService.setInfraHostPort(infraHostPort);
     infraService.setMetaCryptoType(metaCryptoType);
 
@@ -307,27 +300,21 @@ public class CentralInfraService implements InfraService {
     infraHost.setProbe(new Probe(probeID));
     infraHost.setInfraZone(new InfraZone(infraZoneID));
     infraHost.setMetaInfraType(MetaInfraType.Enum.HOST.to());
-    infraHost.setMetaTargetHostType(MetaTargetHostType.Enum.UNKNOWN.to());
-
-    infraHost = this.infraHostDAO.save(infraHost);
-
-    InfraHostMachine infraHostMachine = oriInfraHost.getInfraHostMachine();
-    if (null != infraHostMachine) {
-      infraHostMachine.setInfraHost(infraHost);
-      this.infraHostMachineService.regist(infraHostMachine);
-    }
+    infraHost.setInfraHostMachine(oriInfraHost.getInfraHostMachine());
 
     InfraHostOS infraHostOS = oriInfraHost.getInfraHostOS();
+    infraHost.setInfraHostOS(infraHostOS);
     if (null != infraHostOS) {
       // MetaTargetHostType metaTargetHostType =
       // this.metaTargetHostTypeService.readByInfraHostOS(infraHostOS);
       infraHost.setMetaTargetHostType(MetaTargetHostType.Enum.UNKNOWN.to());
-      infraHost = this.infraHostDAO.save(infraHost);
+    } else {
+      infraHost.setMetaTargetHostType(MetaTargetHostType.Enum.UNKNOWN.to());
 
-      infraHostOS.setInfraHost(infraHost);
-      this.infraHostOSService.regist(infraHostOS);
     }
 
+    infraHost = this.infraHostDAO.save(infraHost);
+
     if (null != oriInfraHost.getInfraHostIPs()) {
       for (InfraHostIP infraHostIP : oriInfraHost.getInfraHostIPs()) {
         infraHostIP = this.infraHostIPService.validate(infraHostIP);
@@ -339,15 +326,6 @@ public class CentralInfraService implements InfraService {
       throw new OverflowException("InfraHostIPs is not valid");
     }
 
-    if (null != oriInfraHost.getInfraHostPorts()) {
-      for (InfraHostPort infraHostPort : oriInfraHost.getInfraHostPorts()) {
-        infraHostPort = this.infraHostPortService.validate(infraHostPort);
-        infraHostPort.setInfraHost(infraHost);
-
-        this.infraHostPortService.regist(infraHostPort);
-      }
-    }
-
     return infraHost;
   }