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如果我们想在根 lms-main-v1.css 文件中添加自定义，我们可以覆盖它，但是在保存和编译 lms-main-v1.css 之后，我们无法看到更改，当我们再次检查相同的 lms-main-v1.css 文件，更改已恢复。