编辑文件/etc/config/luci
在主题设置
config internal 'themes'
option Bootstrap '/luci-static/bootstrap'
option Material '/luci-static/material'
option opentopd '/luci-static/opentopd'
option infinityfreedom '/luci-static/infinityfreedom'
option Argon '/luci-static/argon'
添加或删除即可
显示名字自定义，后面的路径在/www下
Q.E.D.