diff --git a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorItemService.java b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorItemService.java
index 374aacd..471e6bd 100644
--- a/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorItemService.java
+++ b/src/main/java/com/loafle/overflow/central/module/sensor/service/CentralSensorItemService.java
@@ -58,4 +58,8 @@ public class CentralSensorItemService implements SensorItemService {
     this.sensorItemDAO.deleteById(sensorItemID);
   }
 
+  public void removeAllBySensorID(Long sensorID) throws OverflowException {
+    this.sensorItemDAO.deleteAll(this.readAllBySensorID(sensorID));
+  }
+
 }
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 d213b59..1624ae9 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
@@ -57,8 +57,15 @@ public class CentralSensorService implements SensorService {
   @Transactional
   @Override
   public Sensor modify(Long sensorID, List<MetaDisplayItemMapping> metaDisplayItemMappings) throws OverflowException {
-    // FIXME : not impl
-    return null;
+    Sensor sensor = this.read(sensorID);
+    if (null == sensor) {
+      throw new OverflowException(String.format("ID[%d] of Sensor is not valid", sensorID));
+    }
+    this.sensorItemService.readAllBySensorID(sensorID);
+    for (MetaDisplayItemMapping metaDisplayItemMapping : metaDisplayItemMappings) {
+      this.sensorItemService.regist(sensor, metaDisplayItemMapping);
+    }
+    return sensor;
   }
 
   @Override
diff --git a/src/test/java/com/loafle/overflow/central/module/sensor/service/SensorServiceTest.java b/src/test/java/com/loafle/overflow/central/module/sensor/service/SensorServiceTest.java
index b9c161b..ef16cdb 100644
--- a/src/test/java/com/loafle/overflow/central/module/sensor/service/SensorServiceTest.java
+++ b/src/test/java/com/loafle/overflow/central/module/sensor/service/SensorServiceTest.java
@@ -1,8 +1,13 @@
 package com.loafle.overflow.central.module.sensor.service;
 
+import com.loafle.overflow.central.module.meta.dao.MetaCrawlerMappingDAO;
 import com.loafle.overflow.central.module.meta.dao.MetaDisplayItemMappingDAO;
 import com.loafle.overflow.central.spring.AppConfigTest;
-import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.loafle.overflow.model.meta.MetaCrawlerMapping;
 import com.loafle.overflow.model.sensor.Sensor;
 import com.loafle.overflow.model.target.Target;
 import com.loafle.overflow.service.central.sensor.SensorService;
@@ -30,9 +35,8 @@ public class SensorServiceTest {
 
   @Autowired
   MetaDisplayItemMappingDAO metaDisplayItemMappingService;
-
   @Autowired
-  ObjectMapper objectMapper;
+  MetaCrawlerMappingDAO metaCrawlerMappingDAO;
 
   @Test
   @Ignore
@@ -42,7 +46,40 @@ public class SensorServiceTest {
     Sensor sensor = new Sensor();
     sensor.setTarget(target);
 
+    List<MetaCrawlerMapping> metaCrawlerMappings = this.metaCrawlerMappingDAO.findAll();
+    sensor.setMetaCrawlerMapping(metaCrawlerMappings.get(0));
+
     Sensor result = this.sensorService.regist(sensor, this.metaDisplayItemMappingService.findAll());
     Assert.assertNotNull(result);
   }
+
+  @Test
+  @Ignore
+  public void readAllByTargetID() throws Exception {
+    this.regist();
+    Assert.assertNotNull(this.sensorService.readAllByTargetID(Long.valueOf(1)));
+  }
+
+  @Test
+  @Ignore
+  public void readAllByTargetIn() throws Exception {
+    this.regist();
+    List<Target> targets = new ArrayList<Target>();
+    Target t1 = new Target();
+    t1.setId(Long.valueOf(1));
+    Target t2 = new Target();
+    t2.setId(Long.valueOf(2));
+    targets.add(t1);
+    targets.add(t2);
+    List<Sensor> sensors = this.sensorService.readAllByTargetIn(targets);
+    Assert.assertNotNull(sensors);
+  }
+
+  @Test
+  @Ignore
+  public void readAllByTargetInfraProbeID() throws Exception {
+    this.regist();
+    List<Sensor> sensors = this.sensorService.readAllByTargetInfraProbeID(Long.valueOf(1));
+    Assert.assertNotNull(sensors);
+  }
 }