Copyright notice: reproduced please indicate the source https://blog.csdn.net/qq_41155191/article/details/90696475
In the project root directory .webpackrc (roadhog) or config / the config.js (Umi) file theme keynote configuration field. theme object or can be configured as a file path.
"theme": {
"primary-color": "#1DA57A",
},"theme": "./theme.js",