diff --git a/async_MicrosoftHostsPicker.py b/async_MicrosoftHostsPicker.py
new file mode 100644
index 0000000..e99f4ef
--- /dev/null
+++ b/async_MicrosoftHostsPicker.py
@@ -0,0 +1,169 @@
+# !/usr/bin/env python
+# -*-coding:utf-8 -*-
+
+import re
+import asyncio
+import statistics
+import time
+
+from ping3 import ping
+
+
+async def async_ping_ip(ip):
+    """
+
+    :param ip:
+    :return:
+    """
+    delay = ping(ip, timeout=1, unit='ms')
+    delay = delay if delay is not None else 5000
+    return int(delay)
+
+
+async def async_get_delay(ip, frequency=3):
+    """
+
+    :param ip:
+    :param frequency:
+    :return:
+    """
+    try:
+        delay_list = await asyncio.gather(*[async_ping_ip(ip) for _ in range(frequency)])
+        delay_list = [i for i in delay_list if i is not None]
+        delay = statistics.harmonic_mean(delay_list)
+        return int(delay)
+
+    except Exception as e:
+        print(e)
+    return 5000
+
+
+async def async_get_ips_delay(ips):
+    """
+
+    :param ips:
+    :return:
+    """
+    try:
+        delay_list = await asyncio.gather(*[async_get_delay(ip) for ip in ips])
+        # print(delay_list)
+        ip_delay_tup = zip(ips, delay_list)
+        ip_delay_tup_sort = sorted(ip_delay_tup, key=lambda x: x[1])
+
+        res = [f"{tup[0]:16}\t# delay: {tup[1]}" for tup in ip_delay_tup_sort]
+
+        for i in res:
+            print(i)
+
+        return ip_delay_tup_sort[0][0]
+
+    except Exception as e:
+        print(e)
+
+
+def get_ips(file_name):
+    """
+
+    :param file_name:
+    :return:
+    """
+    pattern = re.compile(r"\s+")
+    ips = []
+    with open(file_name, 'r') as f:
+        data = f.readlines()
+        for s in data:
+            ips.append(pattern.sub("", s))
+    # return list(set(ips))[:3] # test
+    return list(set(ips))
+
+
+async def to_run(file_names):
+    """
+    For test, Not in main funciton
+    :param file_names: string list
+    :return: lick : [[host1_ip], [host2_ip], [host3_ip],...]
+    """
+    ips_list = []
+    for file_name in file_names:
+        ips_list.append(get_ips(file_name))
+    # ips_list = [get_ips(file_names[0])[:3]]
+
+    result = []
+    tasks = []
+
+    for ips in ips_list:
+        task = asyncio.create_task(async_get_ips_delay(ips))
+        tasks.append(task)
+
+    for i in tasks:
+        r = await i
+        result.append(r)
+
+    return result
+
+
+async def main():
+    h = {
+        "Microsoft_Account": ["account.microsoft.com"],
+        "Xbox_Live_CDN_1": [
+            "gameclipscontent-d2009.xboxlive.com",
+            "images-eds.xboxlive.com",
+            "xbl-smooth.xboxlive.com",
+            "titlehub.xboxlive.com",
+            "compass.xboxlive.com"
+        ],
+        "Xbox_Live_CDN_2": [
+            "xnotify.xboxlive.com",
+            "activityhub.xboxlive.com",
+            "xboxcare.xboxlive.com",
+            "images-eds-ssl.xboxlive.com",
+            "rta.xboxlive.com",
+            "peoplehub.xboxlive.com",
+            "editorial.xboxlive.com"
+        ],
+        "Xbox_Cloud_Sync": ["titlestorage.xboxlive.com"],
+        "Office_CDN": ["officecdn.microsoft.com"],
+        "Microsoft_Store_Images": ["store-images.s-microsoft.com"],
+        "Microsoft_Store_Pages": ["storeedgefd.dsx.mp.microsoft.com"],
+        "Microsoft_Games_Download": [
+            "xvcf1.xboxlive.com",
+            "xvcf2.xboxlive.com"
+        ],
+        "Windows_Update": [
+            'tlu.dl.delivery.mp.microsoft.com',
+            'dl.delivery.mp.microsoft.com',
+            'assets1.xboxlive.cn',
+            'assets2.xboxlive.cn'
+        ],
+    }
+
+    with open("hosts", 'w') as f:
+        # OneDrive Hosts beta
+        f.writelines('#OneDrive(Beta, only for China) \n')
+        f.writelines('134.170.108.26 onedrive.live.com\n')
+        f.writelines('134.170.109.48 skyapi.onedrive.live.com\n\n')
+
+        for k, v in h.items():
+            info = k.replace('_', ' ')
+
+            print(info)
+
+            ip = await async_get_ips_delay(get_ips(f"./data/{k}.txt"))
+            f.writelines(f'#{info} \n')
+
+            for i in v:
+                f.writelines(f'{ip} {i}\n')
+            f.writelines('\n')
+
+            print('')
+
+    print('All done.')
+    print('The output Hosts file is in the "hosts" in the same directory as "MicrosoftHostsPicker.py".')
+    print('Please select the hosts you need to add to your system.')
+    input()
+
+
+if __name__ == '__main__':
+    print(f"started at {time.strftime('%X')}")
+    asyncio.run(main())
+    print(f"finished at {time.strftime('%X')}")