diff --git a/src/main/java/info/istlab/IoTP/Launcher.java b/src/main/java/info/istlab/IoTP/Launcher.java
index 99e70dc..fd52266 100644
--- a/src/main/java/info/istlab/IoTP/Launcher.java
+++ b/src/main/java/info/istlab/IoTP/Launcher.java
@@ -331,7 +331,7 @@
         TreePath tp = tree.getSelectionModel().getSelectionPath();
         if (tp == null)
             return;
-        System.out.println(tp.getLastPathComponent().getClass());
+        // System.out.println(tp.getLastPathComponent().getClass());
         File node = (File) tp.getLastPathComponent();
         // フォルダなら開かない
         if (node.isDirectory())
diff --git a/src/main/java/info/istlab/IoTP/MyTreeCellRenderer.java b/src/main/java/info/istlab/IoTP/MyTreeCellRenderer.java
index 3299681..63ed1fe 100644
--- a/src/main/java/info/istlab/IoTP/MyTreeCellRenderer.java
+++ b/src/main/java/info/istlab/IoTP/MyTreeCellRenderer.java
@@ -14,7 +14,7 @@
     public static Hashtable<String,String> memo;
     static {
         memo = new Hashtable<String,String>();
-        System.out.println(App.workingDir+ File.separator+ "_filememo.txt");
+        // System.out.println(App.workingDir+ File.separator+ "_filememo.txt");
         ArrayList<String> list = FileReadWriter.getLinesList(App.workingDir+ File.separator+ "_filememo.txt");
         for(String line: list){
             String[] ary = line.split(":");