Merge branch 'brainbush-develop' into develop

src/you_get/extractors/bilibili.py

@@ -62,7 +62,7 @@ class Bilibili(VideoExtractor):
 
     @staticmethod
     def bilibili_api(avid, cid, qn=0):
-        return 'https://api.bilibili.com/x/player/playurl?avid=%s&cid=%s&qn=%s&type=&otype=json&fnver=0&fnval=16' % (avid, cid, qn)
+        return 'https://api.bilibili.com/x/player/playurl?avid=%s&cid=%s&qn=%s&type=&otype=json&fnver=0&fnval=16&fourk=1' % (avid, cid, qn)
 
     @staticmethod
     def bilibili_audio_api(sid):