您好！\cmidrule对颜色填充会导致铺不满：可以用\cline避免这个问题： ```c \documentclass[fontset=none]{ctexart} \usepackage[margin=2.5cm]{geometry} \usepackage{newtxtext} \usepackage{graphicx} \usepackage{booktabs,colortbl} \usepackage{xcolor} \begin{document} \begin{table}[htpb] \centering \small \begin{tabular}{|p{80pt}<{\centering}|p{60pt}<{\centering}|p{60pt}<{\centering}|p{60pt}<{\centering}|p{60pt}<{\centering}|} \hline \multicolumn{5}{|c|}{Details of fund application items}\\ \cline{1-5} \hline \rowcolor{gray} 1 & 2&3 &4&5s\\ \hline 1&2&3&4&5\\ \hline \end{tabular} \end{table} \end{document} ``` 结果是这样的：