vue 构建报错

<% for(var css of htmlWebpackPlugin.options.cdn.css) { %> <% } %> <% if(process.env.VUE_APP_ENV == 'development') { %> <% } %>
<% for(var js of htmlWebpackPlugin.options.cdn.js) { %> <% } %>

Navigated to http://localhost:8081/
localhost/:1 Refused to apply style from 'http://localhost:8081/%3C%=%20BASE_URL%20%%3Eiconfont/iconfont.css' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.
localhost/:1 Refused to apply style from 'http://localhost:8081/%3C%=%20process.env.VUE_APP_OSS_URL%20%%3E/static/js/%3C%=css%%3E' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.
localhost/:74 GET http://localhost:8081/%3C%=%20process.env.VUE_APP_OSS_URL%20%%3E/static/%3C%=js%%3E net::ERR_ABORTED 500 (Internal Server Error)
localhost/:74 GET http://localhost:8081/%3C%=%20process.env.VUE_APP_OSS_URL%20%%3E/static/%3C%=js%%3E net::ERR_ABORTED 500 (Internal Server Error)
(index):40 2021/8/24 上午11:34:28:818 interactive
(index):40 2021/8/24 上午11:34:28:818 DOMContentLoaded
(index):40 2021/8/24 上午11:34:28:988 complete
(index):40 2021/8/24 上午11:34:28:988 onload
%3C%=%20BASE_URL%20%%3Efavicon.ico:1 GET http://localhost:8081/%3C%=%20BASE_URL%20%%3Efavicon.ico 500 (Internal Server Error)