diff --git a/src/you_get/extractors/bilibili.py b/src/you_get/extractors/bilibili.py
index 7e5bdb37..d23bbe5c 100644
--- a/src/you_get/extractors/bilibili.py
+++ b/src/you_get/extractors/bilibili.py
@@ -28,7 +28,8 @@ class Bilibili(VideoExtractor):
     live_room_init_api_url = 'https://api.live.bilibili.com/room/v1/Room/room_init?id={}'
     live_room_info_api_url = 'https://api.live.bilibili.com/room/v1/Room/get_info?room_id={}'
 
-    SEC1 = '1c15888dc316e05a15fdd0a02ed6584f'
+    #SEC1 = '1c15888dc316e05a15fdd0a02ed6584f'
+    SEC1 = '94aba54af9065f71de72f5508f1cd42e'
     SEC2 = '9b288147e5474dd2aa67085f716c560d'
     stream_types = [
             {'id': 'hdflv'},
@@ -44,7 +45,7 @@ class Bilibili(VideoExtractor):
     @staticmethod
     def bilibili_stream_type(urls):
         url = urls[0]
-        if 'hd.flv' in url or '-112.flv' in url:
+        if 'hd.flv' in url or '-80.flv' in url:
             return 'hdflv', 'flv'
         if '-64.flv' in url:
             return 'flv720', 'flv'
@@ -59,7 +60,8 @@ class Bilibili(VideoExtractor):
     def api_req(self, cid, quality, bangumi, bangumi_movie=False, **kwargs):
         ts = str(int(time.time()))
         if not bangumi:
-            params_str = 'cid={}&player=1&quality={}&ts={}'.format(cid, quality, ts)
+            #params_str = 'cid={}&player=1&quality={}&ts={}'.format(cid, quality, ts)
+            params_str = 'appkey=84956560bc028eb7&cid={}&otype=xml&qn={}&quality={}&type='.format(cid, quality, quality)
             chksum = hashlib.md5(bytes(params_str+self.SEC1, 'utf8')).hexdigest()
             api_url = self.api_url + params_str + '&sign=' + chksum
         else:
@@ -97,7 +99,7 @@ class Bilibili(VideoExtractor):
             quality = 'hdflv' if bangumi else 'flv'
 
         info_only = kwargs.get('info_only')
-        for qlt in range(4, -1, -1):
+        for qlt in [116,112,80,74,64,32,16,15]:
             api_xml = self.api_req(cid, qlt, bangumi, **kwargs)
             self.parse_bili_xml(api_xml)
         if not info_only or stream_id: