diff --git a/src/you_get/extractors/kugou.py b/src/you_get/extractors/kugou.py
index a98daac6..192bd809 100644
--- a/src/you_get/extractors/kugou.py
+++ b/src/you_get/extractors/kugou.py
@@ -8,66 +8,72 @@ from base64 import b64decode
 import re
 import hashlib
 
+
 def kugou_download(url, output_dir=".", merge=True, info_only=False, **kwargs):
-    if url.lower().find("5sing")!=-1:
-        #for 5sing.kugou.com
-        html=get_html(url)
-        ticket=r1(r'"ticket":\s*"(.*)"',html)
-        j=loads(str(b64decode(ticket),encoding="utf-8"))
-        url=j['file']
-        title=j['songName']
+    if url.lower().find("5sing") != -1:
+        # for 5sing.kugou.com
+        html = get_html(url)
+        ticket = r1(r'"ticket":\s*"(.*)"', html)
+        j = loads(str(b64decode(ticket), encoding="utf-8"))
+        url = j['file']
+        title = j['songName']
         songtype, ext, size = url_info(url)
         print_info(site_info, title, songtype, size)
         if not info_only:
             download_urls([url], title, ext, size, output_dir, merge=merge)
-    elif url.lower().find("hash")!=-1:
-        return kugou_download_by_hash(url,output_dir,merge,info_only)
+    elif url.lower().find("hash") != -1:
+        return kugou_download_by_hash(url, output_dir, merge, info_only)
     else:
-        #for the www.kugou.com/
+        # for the www.kugou.com/
         return kugou_download_playlist(url, output_dir=output_dir, merge=merge, info_only=info_only)
         # raise NotImplementedError(url)       
 
 
-def kugou_download_by_hash(url,output_dir = '.', merge = True, info_only = False):
-    #sample
-    #url_sample:http://www.kugou.com/song/#hash=93F7D2FC6E95424739448218B591AEAF&album_id=9019462
-    hash_val = match1(url,'hash=(\w+)')
-    album_id = match1(url,'album_id=(\d+)')
-    html = get_html("http://www.kugou.com/yy/index.php?r=play/getdata&hash={}&album_id={}".format(hash_val,album_id))
-    j =loads(html)
+def kugou_download_by_hash(url, output_dir='.', merge=True, info_only=False):
+    # sample
+    # url_sample:http://www.kugou.com/song/#hash=93F7D2FC6E95424739448218B591AEAF&album_id=9019462
+    hash_val = match1(url, 'hash=(\w+)')
+    album_id = match1(url, 'album_id=(\d+)')
+    if not album_id:
+        album_id = 123
+    html = get_html("http://www.kugou.com/yy/index.php?r=play/getdata&hash={}&album_id={}&mid=123".format(hash_val, album_id))
+    j = loads(html)
     url = j['data']['play_url']
     title = j['data']['audio_name']
     # some songs cann't play because of copyright protection
-    if(url == ''):
+    if (url == ''):
         return
     songtype, ext, size = url_info(url)
     print_info(site_info, title, songtype, size)
     if not info_only:
         download_urls([url], title, ext, size, output_dir, merge=merge)
 
-def kugou_download_playlist(url, output_dir = '.', merge = True, info_only = False, **kwargs):
-    urls=[]
-    
-    #download music leaderboard
-    #sample: http://www.kugou.com/yy/html/rank.html
-    if url.lower().find('rank') !=-1:
-        html=get_html(url)
+
+def kugou_download_playlist(url, output_dir='.', merge=True, info_only=False, **kwargs):
+    urls = []
+
+    # download music leaderboard
+    # sample: http://www.kugou.com/yy/html/rank.html
+    if url.lower().find('rank') != -1:
+        html = get_html(url)
         pattern = re.compile('<a href="(http://.*?)" data-active=')
         res = pattern.findall(html)
         for song in res:
             res = get_html(song)
             pattern_url = re.compile('"hash":"(\w+)".*"album_id":(\d)+')
-            hash_val,album_id= res = pattern_url.findall(res)[0]
-            urls.append('http://www.kugou.com/song/#hash=%s&album_id=%s'%(hash_val,album_id))
-    
+            hash_val, album_id = res = pattern_url.findall(res)[0]
+            if not album_id:
+                album_id = 123
+            urls.append('http://www.kugou.com/song/#hash=%s&album_id=%s' % (hash_val, album_id))
+
     # download album
     # album sample:   http://www.kugou.com/yy/album/single/1645030.html
-    elif url.lower().find('album')!=-1:
+    elif url.lower().find('album') != -1:
         html = get_html(url)
         pattern = re.compile('var data=(\[.*?\]);')
         res = pattern.findall(html)[0]
         for v in json.loads(res):
-            urls.append('http://www.kugou.com/song/#hash=%s&album_id=%s'%(v['hash'],v['album_id']))
+            urls.append('http://www.kugou.com/song/#hash=%s&album_id=%s' % (v['hash'], v['album_id']))
 
     # download the playlist        
     # playlist sample:http://www.kugou.com/yy/special/single/487279.html
@@ -75,16 +81,15 @@ def kugou_download_playlist(url, output_dir = '.', merge = True, info_only = Fal
         html = get_html(url)
         pattern = re.compile('data="(\w+)\|(\d+)"')
         for v in pattern.findall(html):
-            urls.append('http://www.kugou.com/song/#hash=%s&album_id=%s'%(v[0],v[1]))
-            print('http://www.kugou.com/song/#hash=%s&album_id=%s'%(v[0],v[1]))
+            urls.append('http://www.kugou.com/song/#hash=%s&album_id=%s' % (v[0], v[1]))
+            print('http://www.kugou.com/song/#hash=%s&album_id=%s' % (v[0], v[1]))
 
-    #download the list by hash
+    # download the list by hash
     for url in urls:
-        kugou_download_by_hash(url,output_dir,merge,info_only)
+        kugou_download_by_hash(url, output_dir, merge, info_only)
 
-                
 
 site_info = "kugou.com"
 download = kugou_download
 # download_playlist = playlist_not_supported("kugou")
-download_playlist=kugou_download_playlist
+download_playlist = kugou_download_playlist