diff --git a/173.py b/173.py
new file mode 100644
index 0000000..8eb7efb
--- /dev/null
+++ b/173.py
@@ -0,0 +1,22 @@
+# 艺气山直播：http://www.173.com/room/category?categoryId=11
+import requests
+
+
+def _173(rid):
+    params = 'roomId={}&format=m3u8'.format(rid)
+    with requests.Session() as s:
+        res = s.post('http://www.173.com/room/getVieoUrl', params=params).json()
+    data = res['data']
+    if data:
+        status = data['status']
+        if status == 2:
+            return data['url']
+        else:
+            raise Exception('未开播')
+    else:
+        raise Exception('直播间不存在')
+
+
+if __name__ == '__main__':
+    r = input('输入艺气山直播房间号：\n')
+    print(_173(r))