Overfull \hbox 解决办法: 在.tex开头加入如下包。能解决部分问题,但是需要pdflatex环境。
Overfull \hbox
.tex
\usepackage{microtype}
参考: https://tex.stackexchange.com/questions/209229/is-there-really-no-better-solution-to-overfull-hbox-than-adding-a-line-break