diff --git a/pom.xml b/pom.xml
index 624f4a3..b264cb5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <groupId>info.istlab.IoTP</groupId>
   <artifactId>IoTP</artifactId>
   <packaging>jar</packaging>
-  <version>0.225</version>
+  <version>0.226</version>
   <name>IoTP</name>
   <url>http://maven.apache.org</url>
 
diff --git a/src/main/java/info/istlab/IoTP/App.java b/src/main/java/info/istlab/IoTP/App.java
index b42ba5d..16daa1e 100644
--- a/src/main/java/info/istlab/IoTP/App.java
+++ b/src/main/java/info/istlab/IoTP/App.java
@@ -22,7 +22,7 @@
  * Hello world!
  *
  */
-public class App {
+public class App implements Runnable {
     static String userhome;
     static ArrayList<File> iotDirs;
 
@@ -157,10 +157,11 @@
         System.out.println(com);
         try {
             processBuilder.start();
-            System.exit(0);
         } catch (Exception ex) {
-
         }
+        Thread t = new Thread(Launcher.theapp);
+        t.start();
     }
 
+
 }
diff --git a/src/main/java/info/istlab/IoTP/Launcher.java b/src/main/java/info/istlab/IoTP/Launcher.java
index c2178bf..f9ef197 100644
--- a/src/main/java/info/istlab/IoTP/Launcher.java
+++ b/src/main/java/info/istlab/IoTP/Launcher.java
@@ -23,10 +23,11 @@
 import javax.swing.event.MouseInputListener;
 import javax.swing.tree.TreePath;
 
-public class Launcher extends JFrame implements MouseInputListener, KeyListener {
+public class Launcher extends JFrame implements MouseInputListener, KeyListener, Runnable {
 
     public static Launcher theapp;
-    public static String version = "0.225";
+    public static String version = "0.226";
+    static int reboot_msec = 5000;
     // JPanel mainP;
     File root;
     JTree tree;
@@ -86,6 +87,10 @@
         mi.addActionListener(ae -> openExecPath());
         menu.add(mi);
 
+        mi = new JMenuItem("このプログラムを再起動する");
+        mi.addActionListener(ae -> restart());
+        menu.add(mi);
+
         mi = new JMenuItem("終了");
         mi.addActionListener(ae -> System.exit(0));
         menu.add(mi);
@@ -216,6 +221,11 @@
         openFolder(App.execPath.getParent().toFile());
     }
 
+    public void restart(){
+        reboot_msec = 0;
+        App.reboot(App.execPath.toString());
+    }
+
     public void openFolder(File path) {
         try {
             Desktop.getDesktop().open(path);
@@ -328,4 +338,15 @@
 
     }
 
+    @Override
+    public void run() {
+        // wait 5sec and shutdown
+        try {
+            Thread.sleep(reboot_msec);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        System.exit(0);
+    }
+
 }