diff --git a/src/osm/jp/coverage/postoffice/DbPostoffice.java b/src/osm/jp/coverage/postoffice/DbPostoffice.java
index 17ac222..80c0e6e 100644
--- a/src/osm/jp/coverage/postoffice/DbPostoffice.java
+++ b/src/osm/jp/coverage/postoffice/DbPostoffice.java
@@ -52,6 +52,7 @@
                 }
             }
             
+            DbPostoffice.margeDb(con);
             DbPostoffice.export(con);
         }
         finally {
@@ -285,15 +286,40 @@
     }
 
     /**
+     * UPDATE TABLE_NAME SET column = Expression [, ...] [WHERE Expression];
+     * 
+     * @param con
+     * @throws java.sql.SQLException
+     */
+    public static void margeDb(Connection con) throws SQLException {
+        PreparedStatement ps8 = con.prepareStatement("SELECT idref,lat,lon FROM "+ TABLE_NAME2);
+        try (ResultSet rset8 = ps8.executeQuery()) {
+            while (rset8.next()) {
+                String idref = rset8.getString(1);
+                Double lat = rset8.getDouble(2);
+                Double lon = rset8.getDouble(3);
+                
+                String updateSt = "UPDATE "+ TABLE_NAME +" SET lat=?, lon=? WHERE idref=?";
+                try (PreparedStatement ps = con.prepareStatement(updateSt)) {
+                    ps.setDouble(1, lat);
+                    ps.setDouble(2, lon);
+                    ps.setString(3, idref);
+                    ps.executeUpdate();
+                }
+            }
+        }
+    }
+
+    /**
      * 'table.POSTOFFICE'の内容をCSV形式にして標準出力に出力する
      * @param con
      * @throws java.sql.SQLException
      */
     public static void export(Connection con) throws SQLException {
-        String header = "idref,lat,lon,fixed";
+        String header = "idref,lat,lon,fixed,area";
         System.out.println("TABLE: "+ TABLE_NAME);
         System.out.println(header);
-        PreparedStatement ps8 = con.prepareStatement("SELECT "+ TABLE_NAME +".idref,"+ TABLE_NAME2 +".lat,"+ TABLE_NAME2 +".lon,fixed,area FROM "+ TABLE_NAME +","+ TABLE_NAME2 +" where "+ TABLE_NAME +".idref="+ TABLE_NAME2 +".idref");
+        PreparedStatement ps8 = con.prepareStatement("SELECT idref,lat,lon,fixed,area FROM "+ TABLE_NAME);
         try (ResultSet rset8 = ps8.executeQuery()) {
             while (rset8.next()) {
                 String name = rset8.getString(1);