diff --git a/src/Map.java b/src/Map.java
index abfd465..6c91085 100644
--- a/src/Map.java
+++ b/src/Map.java
@@ -1,15 +1,15 @@
-import java.util.*;
-
 public class Map {
 	private MapLongitude mapLongitude;
 	private Longitude longitude;
 	private MapLatitude mapLatitude;
 	private Latitude latitude;
+	private Presenter presenter;
 	public Map() {
 		this.mapLongitude = new MapLongitude();
 		this.longitude = new Longitude(mapLongitude);
 		this.mapLatitude = new MapLatitude();
 		this.latitude = new Latitude(mapLatitude);
+		this.presenter = new Presenter(mapLongitude, mapLatitude, longitude, latitude);
 	}
 	public double getMapLongitude() {
 		return mapLongitude.getValue();
@@ -18,8 +18,7 @@
 		return longitude.getValue();
 	}
 	public void updateGPS(double lat2, double long2) {
-		this.longitude.updateGPS(lat2, long2);
-		this.latitude.updateGPS(lat2, long2);
+        this.presenter.updateGPS(lat2, long2);
 	}
 	public double getMapLatitude() {
 		return mapLatitude.getValue();
@@ -27,4 +26,13 @@
 	public double getLatitude() {
 		return latitude.getValue();
 	}
+	// �����X�V��ON/OFF��؂�ւ��郁�\�b�h
+    public void setAutoUpdateEnabled(boolean enabled) {
+        presenter.setAutoUpdateEnabled(enabled);
+    }
+
+    // �蓮�X�V�̂��߂̃��\�b�h
+    public void manualUpdate() {
+        presenter.manualUpdate();
+    }
 }
\ No newline at end of file
diff --git a/src/Presenter.java b/src/Presenter.java
new file mode 100644
index 0000000..36a5287
--- /dev/null
+++ b/src/Presenter.java
@@ -0,0 +1,43 @@
+public class Presenter {
+    private boolean autoUpdateEnabled;
+    private MapLongitude mapLongitude;
+    private MapLatitude mapLatitude;
+    private Longitude longitude;
+    private Latitude latitude;
+
+    public Presenter(MapLongitude mapLong, MapLatitude mapLat, Longitude longi, Latitude lati) {
+        this.mapLongitude = mapLong;
+        this.mapLatitude = mapLat;
+        this.longitude = longi;
+        this.latitude = lati;
+        this.autoUpdateEnabled = true; // default is auto-update enabled
+    }
+
+    public void setAutoUpdateEnabled(boolean enabled) {
+        this.autoUpdateEnabled = enabled;
+    }
+
+    public boolean isAutoUpdateEnabled() {
+        return this.autoUpdateEnabled;
+    }
+
+    public void updateGPS(double lat2, double long2) {
+        // Update GPS coordinates
+        longitude.updateGPS(lat2, long2);
+        latitude.updateGPS(lat2, long2);
+
+        // If auto-update is enabled, also update map coordinates
+        if (autoUpdateEnabled) {
+            mapLongitude.updateLongitude(long2);
+            mapLatitude.updateLatitude(lat2);
+        }
+    }
+
+    // Method to manually trigger a map update
+    public void manualUpdate() {
+        if (!autoUpdateEnabled) {
+            mapLongitude.updateLongitude(longitude.getValue());
+            mapLatitude.updateLatitude(latitude.getValue());
+        }
+    }
+}
\ No newline at end of file