generate double color.less file when pass config params outputFilePath different from 'color.less'

[dsb123dsb]

when I psaa outputFilePath = ${path.join(__dirname, devMode ? '../color.less' : ../output_resource/color.${randomKey}.less)},`;
this plugin will generate two color.less file like this:

After I read the code this maybe the incompatible with antd-theme-generator.
our plugin default generate the color.less file:

but in antd-theme-generator. also generate one, if the name is different from 'color.less', the double file will come.