那些特定类型的缩略图(用于时间线快照)不会通过任何官方 URL 方案或 API 公开.我也不建议尝试对解决方案进行逆向工程.

Those specific type thumbnails (used for the timeline snapshots) are not exposed via any sort of official URL scheme or API. I wouldn't recommend trying to reverse-engineer a solution, either.