not support bilibili with multi-video?

[arthasgxy]

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Problum

Not support url : https://www.bilibili.com/video/av30552710
Code:

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'https://www.bilibili.com/video/av30552710']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.08.28
[debug] Python version 2.7.15 (CPython) - Darwin-17.7.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 4.0.2, ffprobe 4.0.2
[debug] Proxy map: {}
[BiliBili] 30552710: Downloading webpage
[BiliBili] 30552710: Downloading video info page
[BiliBili] 30552710: Downloading video info page
ERROR: BiliBili said: Video is hidden.
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 792, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 502, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/bilibili.py", line 165, in _real_extract
    self._report_error(video_info)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/bilibili.py", line 101, in _report_error
    raise ExtractorError('%s said: %s' % (self.IE_NAME, result['message']), expected=True)
ExtractorError: BiliBili said: Video is hidden.

[arthasgxy]

anyone can help me ?