Error: Cannot find module 'htmlWebpackPlugin'

? ? at Function.Module._resolveFilename (internal/modules/cjs/loader.js:582:15)

? ? at Function.Module._load (internal/modules/cjs/loader.js:508:25)

? ? at Module.require (internal/modules/cjs/loader.js:637:17)

? ? at require (D:\nodejs\node_global\node_modules\webpack-cli\node_modules\_v8-compile-cache@2.0.2@v8-compile-cache\v8-compile-cache.js:159:20)

? ? at Object.<anonymous> (D:\workspace\webpack-demo1\webpack.config.js:1:89)

? ? at Module._compile (D:\nodejs\node_global\node_modules\webpack-cli\node_modules\_v8-compile-cache@2.0.2@v8-compile-cache\v8-compile-cache.js:178:30)

? ? at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)

? ? at Module.load (internal/modules/cjs/loader.js:600:32)

? ? at tryModuleLoad (internal/modules/cjs/loader.js:539:12)

? ? at Function.Module._load (internal/modules/cjs/loader.js:531:3)

? ? at Module.require (internal/modules/cjs/loader.js:637:17)

? ? at require (D:\nodejs\node_global\node_modules\webpack-cli\node_modules\_v8-compile-cache@2.0.2@v8-compile-cache\v8-compile-cache.js:159:20)

? ? at WEBPACK_OPTIONS (D:\nodejs\node_global\node_modules\webpack-cli\bin\convert-argv.js:115:13)

? ? at requireConfig (D:\nodejs\node_global\node_modules\webpack-cli\bin\convert-argv.js:117:6)

? ? at D:\nodejs\node_global\node_modules\webpack-cli\bin\convert-argv.js:124:17

? ? at Array.forEach (<anonymous>)

? ? at module.exports (D:\nodejs\node_global\node_modules\webpack-cli\bin\convert-argv.js:122:15)

? ? at yargs.parse (D:\nodejs\node_global\node_modules\webpack-cli\bin\cli.js:228:39)

? ? at Object.parse (D:\nodejs\node_global\node_modules\webpack-cli\node_modules\_yargs@12.0.5@yargs\yargs.js:567:18)

? ? at D:\nodejs\node_global\node_modules\webpack-cli\bin\cli.js:206:8

? ? at Object.<anonymous> (D:\nodejs\node_global\node_modules\webpack-cli\bin\cli.js:505:3)

? ? at Module._compile (internal/modules/cjs/loader.js:701:30)

? ? at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10)

? ? at Module.load (internal/modules/cjs/loader.js:600:32)

? ? at tryModuleLoad (internal/modules/cjs/loader.js:539:12)

? ? at Function.Module._load (internal/modules/cjs/loader.js:531:3)

? ? at Module.require (internal/modules/cjs/loader.js:637:17)

? ? at require (internal/modules/cjs/helpers.js:22:18)

? ? at Object.<anonymous> (D:\nodejs\node_global\node_modules\webpack\bin\webpack.js:156:2)

? ? at Module._compile (internal/modules/cjs/loader.js:701:30)

第一次跟著敲沒問題，有一次不小心把node_modules文件夾刪除了我就重新搭項目，但是卻一直出現(xiàn)這樣的錯誤，插件是github上的安裝指令，提示也是正常的，按理來說安裝沒問題啊。