diff --git a/pom.xml b/pom.xml
index da02e5f..bb4e3e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <groupId>istlab.KisoJikkenNWP</groupId>
   <artifactId>KisoJikkenNWP</artifactId>
   <packaging>jar</packaging>
-  <version>0.6</version>
+  <version>0.61</version>
   <name>KisoJikkenNWP</name>
   <url>http://maven.apache.org</url>
 
diff --git a/src/main/java/istlab/KisoJikken/JExecutor.java b/src/main/java/istlab/KisoJikken/JExecutor.java
index e6fdd63..14921ec 100644
--- a/src/main/java/istlab/KisoJikken/JExecutor.java
+++ b/src/main/java/istlab/KisoJikken/JExecutor.java
@@ -41,15 +41,19 @@
         ArrayList<String> comlist = new ArrayList<String>();
         comlist.add("java");
         comlist.add(pkgname + "." + javafname);
-        String[] split = commandLineOption.split(" ");
-        for(int i=0;i<split.length;i++) comlist.add(split[i]);
+        // コマンドラインオプションをtrimした結果が空文字列なら追加しない
+        if (commandLineOption.trim().length() > 0) {
+            String[] split = commandLineOption.split(" ");
+            for (int i = 0; i < split.length; i++)
+                comlist.add(split[i]);
+        }
 
         ProcessBuilder processBuilder = new ProcessBuilder(comlist);
         processBuilder.redirectErrorStream(true);
-        JTAConsole con = new JTAConsole("(Exec) java " + pkgname + "." + javafname+" "+commandLineOption);
+        JTAConsole con = new JTAConsole("(Exec) java " + pkgname + "." + javafname + " " + commandLineOption);
         con.Systemoutprintln("== 実行開始 ==");
         con.Systemoutprintln("> cd ~" + App.nwpsrc);
-        con.Systemoutprintln("> java " + pkgname + "." + javafname+" "+commandLineOption);
+        con.Systemoutprintln("> java " + pkgname + "." + javafname + " " + commandLineOption);
         // ProcessBuilder processBuilder = new ProcessBuilder("pwd");
         processBuilder.directory(new File(App.userhome + App.nwpsrc));
         // processBuilder.inheritIO();
diff --git a/src/main/java/istlab/KisoJikken/Launcher.java b/src/main/java/istlab/KisoJikken/Launcher.java
index a3f7a75..deef233 100644
--- a/src/main/java/istlab/KisoJikken/Launcher.java
+++ b/src/main/java/istlab/KisoJikken/Launcher.java
@@ -41,7 +41,7 @@
 public class Launcher extends JFrame implements MouseInputListener, KeyListener {
 
     public static Launcher theapp;
-    public static String version = "0.6";
+    public static String version = "0.61";
     public static String downloadurl = "https://cit.istlab.info/KisoJikkenNWP/target/";
     public static Path execPath;
     // JPanel mainP;
@@ -227,9 +227,9 @@
         System.out.println("=" + execPath.getFileName() + "=");
 
         if (latestVersion.equals(execPath.getFileName().toString())) {
-            JOptionPane.showMessageDialog(this, "This is latest version : v" + version);
+            JOptionPane.showMessageDialog(this, "This is latest version : v" + version+"\n(download folder: "+execPath.getParent().toString()+")");
         } else {
-            int res = JOptionPane.showConfirmDialog(this, "Really download new version \n(" + latestVersion + ") ??");
+            int res = JOptionPane.showConfirmDialog(this, "Really download new version \n(" + latestVersion + ") ?\n(download folder: "+execPath.getParent().toString()+")");
             if (res == JOptionPane.YES_OPTION) {
                 try {
                     URL url = new URL(downloadurl + "/" + latestVersion);
@@ -248,7 +248,6 @@
                 openExecPath();
             }
         }
-
     }
 
     public void openExecPath() {