Greasy Fork is available in English.
Download images, GIFs, videos, and voice messages on the Telegram webapp from private channels that disable downloading and restrict saving content
< Părere la script-ul Telegram Media Downloader
找到原因了，原来窗口缩小到一定程度后电报就不让播放视频了
两个版本均无下载按钮，不知道怎么回事