diff --git a/pom.xml b/pom.xml
index 037aa28..dada1fa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.loafle.overflow</groupId>
             <artifactId>commons-java</artifactId>
-            <version>1.0.116-SNAPSHOT</version>
+            <version>1.0.117-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java
index d15c41d..edb7270 100644
--- a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java
+++ b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorConfigService.java
@@ -1,13 +1,9 @@
 package com.loafle.overflow.central.module.sensor.service;
 
-import java.io.BufferedReader;
-import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
-import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.Base64;
 import java.util.List;
-import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 
 import javax.crypto.Cipher;
@@ -53,7 +49,7 @@ public class CentralSensorConfigService {
   private MessagePublisher messagePublisher;
 
   @Transactional
-  public SensorConfig regist(Sensor sensor) throws OverflowException {
+  public SensorConfig regist(Sensor sensor, boolean update) throws OverflowException {
     if (null == sensor.getId()) {
       throw new OverflowException(String.format("ID[%s] of Sensor is not valid", sensor.getId()));
     }
@@ -66,7 +62,8 @@ public class CentralSensorConfigService {
 
     Probe probe = sensor.getTarget().getInfra().getProbe();
     String encryptedSensorConfigBase64 = this.toEncryptString(sensorConfig, probe.getEncryptionKey());
-    this.messagePublisher.publishToProbe(probe.getProbeKey(), "SensorService.AddSensor", encryptedSensorConfigBase64);
+    String method = update ? "SensorService.UpdateSensor" : "SensorService.AddSensor";
+    this.messagePublisher.publishToProbe(probe.getProbeKey(), method, encryptedSensorConfigBase64);
 
     return sensorConfig;
   }
diff --git a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java
index 22d399b..c0d3993 100644
--- a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java
+++ b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorService.java
@@ -59,6 +59,11 @@ public class CentralSensorService implements SensorService {
     }
   }
 
+  @Override
+  public Sensor modify(Sensor sensor) throws OverflowException {
+    return this.sensorDAO.save(sensor);
+  }
+
   @Transactional
   @Override
   public Sensor regist(Sensor sensor, List<MetaDisplayItemMapping> metaDisplayItemMappings) throws OverflowException {
@@ -82,14 +87,15 @@ public class CentralSensorService implements SensorService {
     }
 
     // FiXME : process asynchronously
-    this.sensorConfigService.regist(retSensor);
+    this.sensorConfigService.regist(retSensor, false);
 
     return retSensor;
   }
 
   @Transactional
   @Override
-  public Sensor modify(Long sensorID, List<MetaDisplayItemMapping> metaDisplayItemMappings) throws OverflowException {
+  public Sensor modifyItems(Long sensorID, List<MetaDisplayItemMapping> metaDisplayItemMappings)
+      throws OverflowException {
     Sensor sensor = this.read(sensorID);
     if (null == sensor) {
       throw new OverflowException(String.format("ID[%d] of Sensor is not valid", sensorID));
@@ -98,6 +104,8 @@ public class CentralSensorService implements SensorService {
     for (MetaDisplayItemMapping metaDisplayItemMapping : metaDisplayItemMappings) {
       this.sensorItemService.regist(sensor, metaDisplayItemMapping);
     }
+
+    this.sensorConfigService.regist(sensor, true);
     return sensor;
   }