diff --git a/src/osm/jp/gpx/Restamp.java b/src/osm/jp/gpx/Restamp.java
index 959a3bc..8e40d24 100644
--- a/src/osm/jp/gpx/Restamp.java
+++ b/src/osm/jp/gpx/Restamp.java
@@ -13,7 +13,7 @@
 import org.apache.commons.imaging.ImageReadException;
 
 /**
- * 動画から一定間隔で切り出したIMAGEのファイル更新日時を書き換える
+ * 動画から一定間隔で切り出したIMAGEファイルの更新日時を書き換える
  * 
  * @author yuu
  */
diff --git a/src/osm/jp/gpx/matchtime/gui/AdjustTime.java b/src/osm/jp/gpx/matchtime/gui/AdjustTime.java
index 8f4921a..d0a3fd7 100644
--- a/src/osm/jp/gpx/matchtime/gui/AdjustTime.java
+++ b/src/osm/jp/gpx/matchtime/gui/AdjustTime.java
@@ -544,7 +544,7 @@
     }
     
     void miRestamp_Action(java.awt.event.ActionEvent event) throws IOException {
-        (new RestampDialog(this, true)).setVisible(true);
+        (new RestampDialog(this, false)).setVisible(true);
     }
     
     void miExit_Action(java.awt.event.ActionEvent event) {
diff --git a/src/osm/jp/gpx/matchtime/gui/restamp/CardPerformFile.java b/src/osm/jp/gpx/matchtime/gui/restamp/CardPerformFile.java
index b4011b7..e8cd76c 100644
--- a/src/osm/jp/gpx/matchtime/gui/restamp/CardPerformFile.java
+++ b/src/osm/jp/gpx/matchtime/gui/restamp/CardPerformFile.java
@@ -1,7 +1,6 @@
 package osm.jp.gpx.matchtime.gui.restamp;
 
 import java.awt.BorderLayout;
-import java.awt.Dialog;
 import java.io.File;
 import java.util.ArrayList;
 import javax.swing.BoxLayout;
@@ -12,9 +11,7 @@
 import osm.jp.gpx.matchtime.gui.AdjustTime;
 import static osm.jp.gpx.matchtime.gui.AdjustTime.i18n;
 import osm.jp.gpx.matchtime.gui.Card;
-import osm.jp.gpx.matchtime.gui.DoDialog;
 import osm.jp.gpx.matchtime.gui.PanelAction;
-import osm.jp.gpx.matchtime.gui.ParameterPanelImageFile;
 import osm.jp.gpx.matchtime.gui.ParameterPanelTime;
 
 /**
@@ -77,8 +74,6 @@
      */
     @SuppressWarnings("UseSpecificCatch")
     void doButton_Action(java.awt.event.ActionEvent event) {
-    	doButton.setEnabled(false);
-
         ArrayList<String> arry = new ArrayList<>();
         File file = arg1_basetime.getImageFile().getImageFile();
         File dir = file.getParentFile();
@@ -90,8 +85,6 @@
         arry.add(arg2_basetime.argField.getText());
     	String[] argv = arry.toArray(new String[arry.size()]);
         (new DoRestamp(argv)).setVisible(true);
-		
-    	doButton.setEnabled(true);
     }
 
     /**
diff --git a/src/osm/jp/gpx/matchtime/gui/restamp/DoRestamp.java b/src/osm/jp/gpx/matchtime/gui/restamp/DoRestamp.java
index b8f251d..d114ba5 100644
--- a/src/osm/jp/gpx/matchtime/gui/restamp/DoRestamp.java
+++ b/src/osm/jp/gpx/matchtime/gui/restamp/DoRestamp.java
@@ -30,7 +30,7 @@
 
     @SuppressWarnings("OverridableMethodCallInConstructor")
     public DoRestamp(String[] args) {
-        super();   // モーダルダイアログを基盤にする
+        super();   // 親フォームなしのモーダルダイアログを基盤にする
         this.args = args;
                 
         // INIT_CONTROLS
diff --git a/src/osm/jp/gpx/matchtime/gui/restamp/RestampDialog.java b/src/osm/jp/gpx/matchtime/gui/restamp/RestampDialog.java
index 665e27d..dd11a0f 100644
--- a/src/osm/jp/gpx/matchtime/gui/restamp/RestampDialog.java
+++ b/src/osm/jp/gpx/matchtime/gui/restamp/RestampDialog.java
@@ -14,7 +14,7 @@
 import osm.jp.gpx.matchtime.gui.SimpleDocumentListener;
 
 @SuppressWarnings("serial")
-public class RestampDialog extends Dialog implements Observer
+public class RestampDialog extends JDialog implements Observer
 {
     //{{DECLARE_CONTROLS
     java.awt.Button closeButton;