cannot work on abstract

[wsyzzz]

开头的摘要貌似没有处理，以图片的形式出现。
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双栏：

[117503445]

I currently will only recognize the body as text, but in some pdf's the difference between the summary and the body is large enough to cause the summary to become an image.

我目前只会将正文识别为文字，但在某些 pdf 中摘要和正文的区别较大，导致摘要变成了图片。

I'll try to fix this in a subsequent release

我会在后续的版本中尝试解决这个问题