diff --git a/src/LICENSE.txt b/src/LICENSE.txt
new file mode 100644
index 0000000..14eb731
--- /dev/null
+++ b/src/LICENSE.txt
@@ -0,0 +1,29 @@
+The MIT License (MIT)
+
+Permission is hereby granted, free of charge, to any person obtaining a 
+copy of this software and associated documentation files (the 
+"Software"), to deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, merge, publish, 
+distribute, sublicense, and/or sell copies of the Software, and to 
+permit persons to whom the Software is furnished to do so, subject to 
+the following conditions:
+
+The above copyright notice and this permission notice shall be 
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+-------------------------------------------------------------------
+talkCrawler
+Copyright (c) 2018 Yuu Hayashi
+http://surveyor.mydns.jp/gitbucket/git/yuu/talkCrawler.git
+
+-------------------------------------------------------------------
+About 'lib/javax.json-1.0.jar'
+https://glassfish.java.net/public/CDDL+GPL_1_1.html
diff --git a/src/talkCrawler.sh b/src/talkCrawler.sh
new file mode 100644
index 0000000..aa0bce8
--- /dev/null
+++ b/src/talkCrawler.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+#
+CLASSPATH=.:talkCrawler.jar
+export CLASSPATH
+
+java -cp $CLASSPATH talkcrawler.DailyIndex $1
diff --git a/src/talkcrawler/DailyIndex.java b/src/talkcrawler/DailyIndex.java
index fa49e6e..d482dc0 100644
--- a/src/talkcrawler/DailyIndex.java
+++ b/src/talkcrawler/DailyIndex.java
@@ -6,6 +6,7 @@
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.text.DateFormat;
+import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;
@@ -24,18 +25,29 @@
 
     /**
      * COMMAND 
+     * 引数がない場合には、前日の月のクローリングを行う
+     * 年月が指定された場合には、指定の月のクローリングを行う
      * 
      * @param args
      * @throws IOException 
+     * @throws java.text.ParseException 
      */
-    public static void main(String[] args) throws IOException {
+    public static void main(String[] args) throws IOException, ParseException {
         Calendar calendar = Calendar.getInstance();
-        calendar.setTime(new Date());
-        calendar.add(Calendar.DAY_OF_MONTH, -1);
+        if (args.length >= 1) {
+            DateFormat inputDate = new SimpleDateFormat("yyyy-MM");
+            calendar.setTime(inputDate.parse(args[0]));
+            calendar.add(Calendar.MONTH, 1);
+        }
+        else {
+            calendar.setTime(new Date());
+            calendar.add(Calendar.DAY_OF_MONTH, -1);
+        }
         
         DateFormat df = new SimpleDateFormat("yyyy-MMMMMMMM", Locale.UK);
         df.setTimeZone(TimeZone.getTimeZone("GMT"));
         String monthly = df.format(calendar.getTime());
+        System.out.println("TalkCrawler "+ monthly);
         
         TalkCrawlerProperties prop = new TalkCrawlerProperties().load();
         DailyIndex ins = new DailyIndex(prop, monthly, "date.html");