Exception: 无法获取 cid，请用辅助参数指定

[zjsywcc]

E:\program\niconvert-master>python3 niconvert.pyw http://www.acfun.tv/v/ac108003
0 -o 1.ass
--------
下载文件
--------
下载：http://www.acfun.tv/v/ac1080030_1
下载：http://www.acfun.tv/api/getVideoByID.aspx?vid=1092287
Traceback (most recent call last):
File "niconvert.pyw", line 19, in <module>
    run_cli()
File "niconvert.pyw", line 8, in run_cli
    main()
File "E:\program\niconvert-master\niconvert\fndcli\main.py", line 79, in main
    convert(*parseargs())
File "E:\program\niconvert-master\niconvert\fndcli\main.py", line 38, in conve
rt
    producer.start_download()
File "E:\program\niconvert-master\niconvert\libsite\producer.py", line 71, in
start_download
    video = make_video(self.config, page)
File "E:\program\niconvert-master\niconvert\libsite\producer.py", line 32, in
make_video
    return page.video_class(config, meta)
File "E:\program\niconvert-master\niconvert\libsite\acfun.py", line 81, in __i
nit__
    self.cid = self._cid()
File "E:\program\niconvert-master\niconvert\libsite\acfun.py", line 112, in _c
id
    raise Exception('无法获取 cid，请用辅助参数指定')
Exception: 无法获取 cid，请用辅助参数指定