为什么我用你那个加密算法算出sigin不对呢？

[dfaofeng]

请求地址为：https://app.bilibili.com/x/v2/feed/index?ad_extra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appkey=1d8b6e7d45233436&autoplay_card=0&banner_hash=11819268911451948144&build=5460500&channel=html5_app_bili&column=2&device_name=oppo%20a33&device_type=0&flush=0&fnval=16&fnver=0&force_host=0&fourk=0&idx=1566808481&login_event=0&mobi_app=android&network=wifi&open_event=&platform=android&pull=true&qn=32&recsys_mode=0&statistics=%7B%22appId%22%3A1%2C%22platform%22%3A3%2C%22version%22%3A%225.46.0%22%2C%22abtest%22%3A%22%22%7D&ts=1566808477&sign=2bc87b6b389b22b753005067249183d6
请求参数为:

ad_extra	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
appkey	1d8b6e7d45233436
autoplay_card	0
banner_hash	11819268911451948144
build	5460500
channel	html5_app_bili
column	2
device_name	oppo a33
device_type	0
flush	0
fnval	16
fnver	0
force_host	0
fourk	0
idx	1566808481
login_event	0
mobi_app	android
network	wifi
open_event
platform	android
pull	true
qn	32
recsys_mode	0
statistics	{"appId":1,"platform":3,"version":"5.46.0","abtest":""}
ts	1566808477
sign	2bc87b6b389b22b753005067249183d6

算出sigin不对,用的是最新版的b站客户端(安卓,5.46.0)