Overleaf编译LaTex报错:Missing number, treated as zero.<to be read again>
Google了一下,发现官网给出了解释:https://www.overleaf.com/learn/latex/Errors/Illegal_unit_of_measure_(pt_inserted)
经过对照,原因就是使用的包subfigure比较老,\begin{subfigure}{0.32\textwidth}这样的写法就会报错。将\usepackage{subfigure}改为\usepackage{subcaption}即可。