the version of webpack used is 3.10.0. There is no problem without the option of minimize. Is it the version problem, webpack rookie, webpack
 Asset Size Chunks Chunk Names 
 bundle.js 17.9 kB 0 [emitted] main 
 [0]. / src/index.js 91 bytes {0} [built] 
 [1]. / src/style/base.css 1.2 kB {0} [built] 
 [2]. / style/base.css 374bytes {0} [built] [failed] [1 error] 
 [5]. / src/sayHello.js 142bytes {0} [built] 
+ 2 hidden modules
 ERROR in. / node_modules/_css-loader@2.1.0@css-loader/dist/cjs.js??ref--0-1 ERROR in. CSS Loader Invalid Options. 
 Module build failed: ValidationError: CSS Loader Invalid Options 
options should NOT have additional properties
at validateOptions (D:\Code\webpackTest\node_modules\_schema-utils@1.0.0@schema-utils\src\validateOptions.js:32:11)
at Object.loader (D:\Code\webpackTest\node_modules\_css-loader@2.1.0@css-loader\dist\index.js:44:28) @. / src/style/base.css 2:14-107 
 @. / src/index.js 
 npm ERR! Code ELIFECYCLE 
 npm ERR! Errno 2 
 npm ERR! Webpack@1.0.0 start:  webpack-config webpack.config.js  
 npm ERR! Exit status 2 
 npm ERR! 
 npm ERR! Failed at the webpack@1.0.0 start script. 
 npm ERR! This is probably not a problem with npm. There is likely additional logging output above. 
 npm ERR! A complete log of this run can be found in: 
 npm ERR! C:UsersAdministratorAppDataRoamingnpm-cache_logs2019-01-07T07_47_44_088Z-debug.log 
