以下是我自己对完全相同的问题的解决方案:

Here is my own solution to the exact same issue:

autocmd BufEnter,WinEnter * call matchadd("Error", "\\s\\+$", -1)

我从相同的语法"方法开始，但最终遇到了您现在面临的相同问题，没有简单的解决方案.

I started with the same "syntax" method but I ended up facing the same issues that you are facing right now with no simple solution.

这是它的样子: