diff --git a/danmaku2ass.py b/danmaku2ass.py
index eeda2ee..d1620f2 100755
--- a/danmaku2ass.py
+++ b/danmaku2ass.py
@@ -10,7 +10,7 @@ import sys
 import xml.dom.minidom
 
 
-gettext.install('messages', 'locale')
+gettext.install('danmaku2ass', 'locale')
 
 
 def ProcessComments(comments, f, width, height, bottomReserved, fontface, fontsize, alpha, lifetime, reduced):
@@ -212,15 +212,15 @@ def ConvertType2(row, height, bottomReserved):
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser()
-    parser.add_argument('-o', '--output', metavar='OUTPUT', help=_('Output file'))
-    parser.add_argument('-s', '--size', metavar='WIDTHxHEIGHT', required=True, help=_('Stage size in pixels'))
-    parser.add_argument('-fn', '--font', metavar='FONT', help=_('Specify font face'), default=_('(FONT) sans-serif')[7:])
-    parser.add_argument('-fs', '--fontsize', metavar='SIZE', help=(_('Default font size')), type=float, default=25.0)
-    parser.add_argument('-a', '--alpha', metavar='ALPHA', help=_('Text opaque'), type=float, default=1.0)
-    parser.add_argument('-l', '--lifetime', metavar='SECONDS', help=_('Duration of comment display'), type=float, default=5.0)
-    parser.add_argument('-p', '--protect', metavar='HEIGHT', help=_('Reserve blank on the bottom of the stage'), type=int, default=0)
+    parser.add_argument('-o', '--output', metavar=_('OUTPUT'), help=_('Output file'))
+    parser.add_argument('-s', '--size', metavar=_('WIDTHxHEIGHT'), required=True, help=_('Stage size in pixels'))
+    parser.add_argument('-fn', '--font', metavar=_('FONT'), help=_('Specify font face'), default=_('(FONT) sans-serif')[7:])
+    parser.add_argument('-fs', '--fontsize', metavar=_('SIZE'), help=(_('Default font size')), type=float, default=25.0)
+    parser.add_argument('-a', '--alpha', metavar=_('ALPHA'), help=_('Text opaque'), type=float, default=1.0)
+    parser.add_argument('-l', '--lifetime', metavar=_('SECONDS'), help=_('Duration of comment display'), type=float, default=5.0)
+    parser.add_argument('-p', '--protect', metavar=_('HEIGHT'), help=_('Reserve blank on the bottom of the stage'), type=int, default=0)
     parser.add_argument('-r', '--reduce', action='store_true', help=_('Reduce the amount of comments if stage is full'))
-    parser.add_argument('file', metavar='FILE', nargs='+', help=_('Comment file to be processed'))
+    parser.add_argument('file', metavar=_('FILE'), nargs='+', help=_('Comment file to be processed'))
     args = parser.parse_args()
     try:
         width, height = str(args.size).split('x', 1)
diff --git a/locale/en/LC_MESSAGES/danmaku2ass.mo b/locale/en/LC_MESSAGES/danmaku2ass.mo
new file mode 100644
index 0000000..3f28b36
Binary files /dev/null and b/locale/en/LC_MESSAGES/danmaku2ass.mo differ
diff --git a/locale/en/LC_MESSAGES/messages.po b/locale/en/LC_MESSAGES/danmaku2ass.po
similarity index 76%
rename from locale/en/LC_MESSAGES/messages.po
rename to locale/en/LC_MESSAGES/danmaku2ass.po
index 4abeac6..db6f2b3 100644
--- a/locale/en/LC_MESSAGES/messages.po
+++ b/locale/en/LC_MESSAGES/danmaku2ass.po
@@ -1,8 +1,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Danmaku2ASS\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2013-09-20 18:20+0800\n"
+"POT-Creation-Date: 2013-09-30 23:13+0800\n"
 "Last-Translator: Star Brilliant <m13253@hotmail.com>\n"
 "Language: en\n"
 "MIME-Version: 1.0\n"
@@ -19,6 +18,10 @@ msgstr "Invalid comment: %s"
 msgid "Invalid comment: %r"
 msgstr "Invalid comment: %r"
 
+#: danmaku2ass.py:215
+msgid "OUTPUT"
+msgstr "OUTPUT"
+
 #: danmaku2ass.py:215
 msgid "Output file"
 msgstr "Output file"
@@ -27,10 +30,18 @@ msgstr "Output file"
 msgid "Stage size in pixels"
 msgstr "Stage size in pixels"
 
+#: danmaku2ass.py:216
+msgid "WIDTHxHEIGHT"
+msgstr "WIDTHxHEIGHT"
+
 #: danmaku2ass.py:217
 msgid "(FONT) sans-serif"
 msgstr "(FONT) Helvetica"
 
+#: danmaku2ass.py:217
+msgid "FONT"
+msgstr "FONT"
+
 #: danmaku2ass.py:217
 msgid "Specify font face"
 msgstr "Specify font face"
@@ -39,6 +50,14 @@ msgstr "Specify font face"
 msgid "Default font size"
 msgstr "Default font size"
 
+#: danmaku2ass.py:218
+msgid "SIZE"
+msgstr "SIZE"
+
+#: danmaku2ass.py:219
+msgid "ALPHA"
+msgstr "ALPHA"
+
 #: danmaku2ass.py:219
 msgid "Text opaque"
 msgstr "Text opaque"
@@ -47,6 +66,14 @@ msgstr "Text opaque"
 msgid "Duration of comment display"
 msgstr "Duration of comment display"
 
+#: danmaku2ass.py:220
+msgid "SECONDS"
+msgstr "SECONDS"
+
+#: danmaku2ass.py:221
+msgid "HEIGHT"
+msgstr "HEIGHT"
+
 #: danmaku2ass.py:221
 msgid "Reserve blank on the bottom of the stage"
 msgstr "Reserve blank on the bottom of the stage"
@@ -59,6 +86,10 @@ msgstr "Reduce the amount of comments if stage is full"
 msgid "Comment file to be processed"
 msgstr "Comment file to be processed"
 
+#: danmaku2ass.py:223
+msgid "FILE"
+msgstr "FILE"
+
 #: danmaku2ass.py:230
 #, python-format
 msgid "Invalid stage size: %r"
diff --git a/locale/en/LC_MESSAGES/messages.mo b/locale/en/LC_MESSAGES/messages.mo
deleted file mode 100644
index fd6c6bb..0000000
Binary files a/locale/en/LC_MESSAGES/messages.mo and /dev/null differ
diff --git a/locale/ja/LC_MESSAGES/danmaku2ass.mo b/locale/ja/LC_MESSAGES/danmaku2ass.mo
new file mode 100644
index 0000000..4082a71
Binary files /dev/null and b/locale/ja/LC_MESSAGES/danmaku2ass.mo differ
diff --git a/locale/ja/LC_MESSAGES/messages.po b/locale/ja/LC_MESSAGES/danmaku2ass.po
similarity index 77%
rename from locale/ja/LC_MESSAGES/messages.po
rename to locale/ja/LC_MESSAGES/danmaku2ass.po
index 53bb9ab..6c1215c 100644
--- a/locale/ja/LC_MESSAGES/messages.po
+++ b/locale/ja/LC_MESSAGES/danmaku2ass.po
@@ -1,8 +1,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Danmaku2ASS\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2013-09-20 18:20+0800\n"
+"POT-Creation-Date: 2013-09-30 23:13+0800\n"
 "Last-Translator: Star Brilliant <m13253@hotmail.com>\n"
 "Language: ja\n"
 "MIME-Version: 1.0\n"
@@ -19,6 +18,10 @@ msgstr "無効なコメント：%s"
 msgid "Invalid comment: %r"
 msgstr "無効なコメント：%r"
 
+#: danmaku2ass.py:215
+msgid "OUTPUT"
+msgstr "出力"
+
 #: danmaku2ass.py:215
 msgid "Output file"
 msgstr "出力ファイル"
@@ -27,10 +30,18 @@ msgstr "出力ファイル"
 msgid "Stage size in pixels"
 msgstr "ピクセル単位でステージのサイズ"
 
+#: danmaku2ass.py:216
+msgid "WIDTHxHEIGHT"
+msgstr "幅x高"
+
 #: danmaku2ass.py:217
 msgid "(FONT) sans-serif"
 msgstr "(FONT) MS PGothic"
 
+#: danmaku2ass.py:217
+msgid "FONT"
+msgstr "フォント"
+
 #: danmaku2ass.py:217
 msgid "Specify font face"
 msgstr "フォントを指定する"
@@ -39,6 +50,14 @@ msgstr "フォントを指定する"
 msgid "Default font size"
 msgstr "デフォルトのフォントサイズ"
 
+#: danmaku2ass.py:218
+msgid "SIZE"
+msgstr "サイズ"
+
+#: danmaku2ass.py:219
+msgid "ALPHA"
+msgstr "アルファ"
+
 #: danmaku2ass.py:219
 msgid "Text opaque"
 msgstr "テキストの不透明度"
@@ -47,6 +66,14 @@ msgstr "テキストの不透明度"
 msgid "Duration of comment display"
 msgstr "コメント表示の時間"
 
+#: danmaku2ass.py:220
+msgid "SECONDS"
+msgstr "秒数"
+
+#: danmaku2ass.py:221
+msgid "HEIGHT"
+msgstr "高度"
+
 #: danmaku2ass.py:221
 msgid "Reserve blank on the bottom of the stage"
 msgstr "ステージの下にブランクを予備する"
@@ -59,6 +86,10 @@ msgstr "ステージがいっぱいになったのときにコメントの量を
 msgid "Comment file to be processed"
 msgstr "ファイルが処理されるコメント"
 
+#: danmaku2ass.py:223
+msgid "FILE"
+msgstr "ファイル"
+
 #: danmaku2ass.py:230
 #, python-format
 msgid "Invalid stage size: %r"
diff --git a/locale/ja/LC_MESSAGES/messages.mo b/locale/ja/LC_MESSAGES/messages.mo
deleted file mode 100644
index ab26ae6..0000000
Binary files a/locale/ja/LC_MESSAGES/messages.mo and /dev/null differ
diff --git a/locale/zh_CN/LC_MESSAGES/danmaku2ass.mo b/locale/zh_CN/LC_MESSAGES/danmaku2ass.mo
new file mode 100644
index 0000000..74aa6c0
Binary files /dev/null and b/locale/zh_CN/LC_MESSAGES/danmaku2ass.mo differ
diff --git a/locale/zh_CN/LC_MESSAGES/messages.po b/locale/zh_CN/LC_MESSAGES/danmaku2ass.po
similarity index 76%
rename from locale/zh_CN/LC_MESSAGES/messages.po
rename to locale/zh_CN/LC_MESSAGES/danmaku2ass.po
index de554e6..b26c388 100644
--- a/locale/zh_CN/LC_MESSAGES/messages.po
+++ b/locale/zh_CN/LC_MESSAGES/danmaku2ass.po
@@ -1,8 +1,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Danmaku2ASS\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2013-09-20 18:20+0800\n"
+"POT-Creation-Date: 2013-09-30 23:13+0800\n"
 "Last-Translator: Star Brilliant <m13253@hotmail.com>\n"
 "Language: zh_CN\n"
 "MIME-Version: 1.0\n"
@@ -19,6 +18,10 @@ msgstr "无效弹幕：%s"
 msgid "Invalid comment: %r"
 msgstr "无效弹幕：%r"
 
+#: danmaku2ass.py:215
+msgid "OUTPUT"
+msgstr "输出"
+
 #: danmaku2ass.py:215
 msgid "Output file"
 msgstr "输出文件"
@@ -27,10 +30,18 @@ msgstr "输出文件"
 msgid "Stage size in pixels"
 msgstr "舞台尺寸的像素数目"
 
+#: danmaku2ass.py:216
+msgid "WIDTHxHEIGHT"
+msgstr "宽x高"
+
 #: danmaku2ass.py:217
 msgid "(FONT) sans-serif"
 msgstr "(FONT) 黑体"
 
+#: danmaku2ass.py:217
+msgid "FONT"
+msgstr "字体"
+
 #: danmaku2ass.py:217
 msgid "Specify font face"
 msgstr "指定字体名称"
@@ -39,6 +50,14 @@ msgstr "指定字体名称"
 msgid "Default font size"
 msgstr "默认字号"
 
+#: danmaku2ass.py:218
+msgid "SIZE"
+msgstr "尺寸"
+
+#: danmaku2ass.py:219
+msgid "ALPHA"
+msgstr "ALPHA"
+
 #: danmaku2ass.py:219
 msgid "Text opaque"
 msgstr "文字不透明度"
@@ -47,6 +66,14 @@ msgstr "文字不透明度"
 msgid "Duration of comment display"
 msgstr "弹幕显示时长"
 
+#: danmaku2ass.py:220
+msgid "SECONDS"
+msgstr "秒数"
+
+#: danmaku2ass.py:221
+msgid "HEIGHT"
+msgstr "高度"
+
 #: danmaku2ass.py:221
 msgid "Reserve blank on the bottom of the stage"
 msgstr "在舞台底部预留空位"
@@ -59,6 +86,10 @@ msgstr "在舞台满时减少弹幕数量"
 msgid "Comment file to be processed"
 msgstr "将要处理的弹幕文件"
 
+#: danmaku2ass.py:223
+msgid "FILE"
+msgstr "文件"
+
 #: danmaku2ass.py:230
 #, python-format
 msgid "Invalid stage size: %r"
diff --git a/locale/zh_CN/LC_MESSAGES/messages.mo b/locale/zh_CN/LC_MESSAGES/messages.mo
deleted file mode 100644
index eacb5f2..0000000
Binary files a/locale/zh_CN/LC_MESSAGES/messages.mo and /dev/null differ
diff --git a/locale/zh_TW/LC_MESSAGES/danmaku2ass.mo b/locale/zh_TW/LC_MESSAGES/danmaku2ass.mo
new file mode 100644
index 0000000..7dded8a
Binary files /dev/null and b/locale/zh_TW/LC_MESSAGES/danmaku2ass.mo differ
diff --git a/locale/zh_TW/LC_MESSAGES/messages.po b/locale/zh_TW/LC_MESSAGES/danmaku2ass.po
similarity index 76%
rename from locale/zh_TW/LC_MESSAGES/messages.po
rename to locale/zh_TW/LC_MESSAGES/danmaku2ass.po
index 0148d20..3a489d2 100644
--- a/locale/zh_TW/LC_MESSAGES/messages.po
+++ b/locale/zh_TW/LC_MESSAGES/danmaku2ass.po
@@ -1,8 +1,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: Danmaku2ASS\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2013-09-20 18:20+0800\n"
+"POT-Creation-Date: 2013-09-30 23:13+0800\n"
 "Last-Translator: Star Brilliant <m13253@hotmail.com>\n"
 "Language: zh_TW\n"
 "MIME-Version: 1.0\n"
@@ -19,6 +18,10 @@ msgstr "無效彈幕：%s"
 msgid "Invalid comment: %r"
 msgstr "無效彈幕：%r"
 
+#: danmaku2ass.py:215
+msgid "OUTPUT"
+msgstr "輸出"
+
 #: danmaku2ass.py:215
 msgid "Output file"
 msgstr "輸出檔案"
@@ -27,10 +30,18 @@ msgstr "輸出檔案"
 msgid "Stage size in pixels"
 msgstr "舞臺尺寸的畫素數目"
 
+#: danmaku2ass.py:216
+msgid "WIDTHxHEIGHT"
+msgstr "寬x高"
+
 #: danmaku2ass.py:217
 msgid "(FONT) sans-serif"
 msgstr "(FONT) Microsoft JhengHei"
 
+#: danmaku2ass.py:217
+msgid "FONT"
+msgstr "字型"
+
 #: danmaku2ass.py:217
 msgid "Specify font face"
 msgstr "指定字型名稱"
@@ -39,6 +50,14 @@ msgstr "指定字型名稱"
 msgid "Default font size"
 msgstr "默認字型大小"
 
+#: danmaku2ass.py:218
+msgid "SIZE"
+msgstr "尺寸"
+
+#: danmaku2ass.py:219
+msgid "ALPHA"
+msgstr "ALPHA"
+
 #: danmaku2ass.py:219
 msgid "Text opaque"
 msgstr "文字不透明度"
@@ -47,6 +66,14 @@ msgstr "文字不透明度"
 msgid "Duration of comment display"
 msgstr "彈幕顯示時長"
 
+#: danmaku2ass.py:220
+msgid "SECONDS"
+msgstr "秒數"
+
+#: danmaku2ass.py:221
+msgid "HEIGHT"
+msgstr "高度"
+
 #: danmaku2ass.py:221
 msgid "Reserve blank on the bottom of the stage"
 msgstr "在舞臺底部預留空位"
@@ -59,6 +86,10 @@ msgstr "在舞臺滿時減少彈幕數量"
 msgid "Comment file to be processed"
 msgstr "將要處理的彈幕檔案"
 
+#: danmaku2ass.py:223
+msgid "FILE"
+msgstr "檔案"
+
 #: danmaku2ass.py:230
 #, python-format
 msgid "Invalid stage size: %r"
diff --git a/locale/zh_TW/LC_MESSAGES/messages.mo b/locale/zh_TW/LC_MESSAGES/messages.mo
deleted file mode 100644
index 2d173a5..0000000
Binary files a/locale/zh_TW/LC_MESSAGES/messages.mo and /dev/null differ