Latex: 解决 The gutter between columns is x inches wide (on page x), but should be at least 0.2 inches. 问题

refer to:

Sample_WCCI.tex

Latex: 解决 The gutter between columns is x inches wide (on page x), but should be at least x inches. 问题

When submitting a conference paper and EDAS checks the format of the paper, Warning appears:

The gutter between columns is x inches wide (on page x), but should be at least 0.2 inches.

The solution is \begin{document}to add \columnsep 0.2inthe definition before it.

2018.4