我正在用 TeX 寫一本書，這本書很好，但我最近才意識到我的本地 TeX 到 PDF 匯出看起來有多難看：
作為參考，我的在左邊，我有權訪問的隨機 Linux 盒子產生了右邊的。看看它脆了多少？我有點困惑為什麼會這樣。
這是我本地pdflatex的版本：
pdfTeX 3.14159265-2.6-1.40.15 (TeX Live 2014)
kpathsea version 6.2.0
Copyright 2014 Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
There is NO warranty. Redistribution of this software is
covered by the terms of both the pdfTeX copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the pdfTeX source.
Primary author of pdfTeX: Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
Compiled with libpng 1.6.10; using libpng 1.6.10
Compiled with zlib 1.2.8; using zlib 1.2.8
Compiled with xpdf version 3.03
和 Linux 盒子的：
pdfTeX using libpoppler 3.141592-1.40.3-2.2 (Web2C 7.5.6)
kpathsea version 3.5.6
Copyright 2007 Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
Kpathsea is copyright 2007 Karl Berry and Olaf Weber.
There is NO warranty. Redistribution of this software is
covered by the terms of both the pdfTeX using libpoppler copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the pdfTeX using libpoppler source.
Primary author of pdfTeX using libpoppler: Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
Kpathsea written by Karl Berry, Olaf Weber, and others.
Compiled with libpng 1.2.46; using libpng 1.2.49
Compiled with zlib 1.2.3; using zlib 1.2.3
Compiled with libpoppler
編輯：我剛剛意識到 Linux 盒子使用libpoppler並且我使用了xpdf.難道是這個原因嗎？我該如何切換？