Fantia下载图片403报错/403 error when downloading pictures from Fantia.

[northtowertop]

错误日志/Error log. 最近几个月的投稿都没有问题，但是旧的投稿中的图片就全部403，mp4与mov等视频并没有影响。原投稿页可以打开，里面的图片也都可以查看。 The code works fine with the new recently posts, but gives a 403 error when downloading pictures in old posts, other files like mp4 and mov are not affected.

error.log error_download.log

[northtowertop]

抓取的作者为全作品收费作者，如需要测试我可以提供cookies. All the posts need payment to view, so I could supply cookies if needed.

[EndlessMISAKA]

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