F:\jeecms\jeecmsv9-adminVue>node build\build.js

- building for production...Error processing file: static/css/app.d79d7e4222e14aa22beb1d61f3b4cfab.css

(node:) UnhandledPromiseRejectionWarning: CssSyntaxError: F:\jeecms\jeecmsv9-adminVue\static\css\app.d79d7e4222e14aa22beb1d61f3b4cfab.css::: Unknown word

    at Input.error (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\input.js::)

    at Parser.unknownWord (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\parser.js::)

    at Parser.decl (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\parser.js::)

    at Parser.other (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\parser.js::)

    at Parser.parse (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\parser.js::)

    at parse (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\parse.js::)

    at new LazyResult (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\lazy-result.js::)

    at Processor.<anonymous> (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\processor.js::)

    at Processor.process (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\processor.js::)

    at Function.creator.process (F:\jeecms\jeecmsv9-adminVue\node_modules\_postcss@7.0.@postcss\lib\postcss.js::)

    at OptimizeCssAssetsPlugin.processCss (F:\jeecms\jeecmsv9-adminVue\node_modules\_optimize-css-assets-webpack-plugin@3.2.@optimize-css-assets-webpack-plugin\index.js::)

    at Object.processor (F:\jeecms\jeecmsv9-adminVue\node_modules\_optimize-css-assets-webpack-plugin@3.2.@optimize-css-assets-webpack-plugin\index.js::)

    at F:\jeecms\jeecmsv9-adminVue\node_modules\_last-call-webpack-plugin@2.1.@last-call-webpack-plugin\index.js::

    at arrayEach (F:\jeecms\jeecmsv9-adminVue\node_modules\_lodash@4.17.@lodash\_arrayEach.js::)

    at forEach (F:\jeecms\jeecmsv9-adminVue\node_modules\_lodash@4.17.@lodash\forEach.js::)

    at LastCallWebpackPlugin.process (F:\jeecms\jeecmsv9-adminVue\node_modules\_last-call-webpack-plugin@2.1.@last-call-webpack-plugin\index.js::)

(node:) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: )

(node:) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.