diff --git a/download_default_datalist.py b/download_default_datalist.py
new file mode 100644
index 0000000..f52361c
--- /dev/null
+++ b/download_default_datalist.py
@@ -0,0 +1,97 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright 2016-2099 Ailemon.net
+#
+# This file is part of ASRT Speech Recognition Tool.
+#
+# ASRT is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# ASRT is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with ASRT.  If not, see <https://www.gnu.org/licenses/>.
+# ============================================================================
+
+"""
+@author: nl8590687
+用于下载ASRT语音识别系统声学模型训练默认用的数据集列表程序
+"""
+
+import os
+import logging
+import json
+import requests
+
+logging.basicConfig(
+    format='%(asctime)s - %(pathname)s[line:%(lineno)d] - %(levelname)s: %(message)s',
+    level=logging.INFO)
+
+DEFAULT_DATALIST_PATH = 'datalist/'
+if not os.path.exists(DEFAULT_DATALIST_PATH):
+    os.makedirs(DEFAULT_DATALIST_PATH)
+
+URL_DATALIST_INDEX = "https://d.ailemon.net/asrt_assets/datalist/index.json"
+rsp_index = requests.get(URL_DATALIST_INDEX)
+rsp_index.encoding='utf-8'
+if rsp_index.ok:
+    logging.info('Has connected to ailemon\'s download server...')
+else:
+    logging.error('%s%s', 'Can not connected to ailemon\'s download server.',
+    'please check your network connection.')
+
+index_json = json.loads(rsp_index.text)
+if index_json['status_code'] != 200:
+    raise Exception(index_json['status_message'])
+
+body = index_json['body']
+logging.info('start to download datalist from ailemon\'s download server...')
+
+url_prefix = body['url_prefix']
+for i in range(len(body['datalist'])):
+    print(i, body['datalist'][i]['name'])
+print(len(body['datalist']), 'all datalist')
+num = input('Please choose which you select: (default all)')
+if len(num) == 0:
+    num = len(body['datalist'])
+else:
+    num = int(num)
+
+def deal_download(datalist_item, url_prefix_str, datalist_path):
+    '''
+    to deal datalist file download
+    '''
+    logging.info('%s%s', 'start to download datalist ', datalist_item['name'])
+    save_path = os.path.join(datalist_path, datalist_item['name'])
+    if not os.path.exists(save_path):
+        os.makedirs(save_path)
+        logging.info('%s`%s`', 'Created directory ', save_path)
+
+    for filename in datalist_item['filelist']:
+        tmp_url = url_prefix_str + datalist_item['name'] + '/' + filename
+        save_filename = os.path.join(save_path, filename)
+        rsp_listfile = requests.get(tmp_url)
+
+        with open(save_filename, "wb") as file_pointer:
+            file_pointer.write(rsp_listfile.content)
+        if rsp_listfile.ok:
+            logging.info('%s `%s` %s', 'Download', filename, 'complete')
+        else:
+            logging.error('%s%s%s%s%s', 'Can not download ', filename,
+                        ' from ailemon\'s download server. ',
+                        'http status ok is ', str(rsp_listfile.ok))
+
+if num == len(body['datalist']):
+    for i in range(len(body['datalist'])):
+        deal_download(body['datalist'][i], body['url_prefix'], DEFAULT_DATALIST_PATH)
+else:
+    deal_download(body['datalist'][num], body['url_prefix'], DEFAULT_DATALIST_PATH)
+
+logging.info('%s%s%s', 'Datalist files download complete. ',
+    'Please remember to download these datasets from ',
+    body['dataset_download_page_url'])