html-webpack-plugin自动生成html页面运行报错如下什么情况？

Error: Cannot find module 'html-webpack-plugin'

    at Function.Module._resolveFilename (module.js:469:15)

    at Function.Module._load (module.js:417:25)

    at Module.require (module.js:497:17)

    at require (internal/module.js:20:19)

    at Object.<anonymous> (C:\Users\Administrator\imco\webpack-test\webpack.conf

ig.js:1:87)

    at Module._compile (module.js:570:32)

    at Object.Module._extensions..js (module.js:579:10)

    at Module.load (module.js:487:32)

    at tryModuleLoad (module.js:446:12)

    at Function.Module._load (module.js:438:3)

npm ERR! Windows_NT 6.1.7601

npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\

node_modules\\npm\\bin\\npm-cli.js" "run" "webpack"

npm ERR! node v6.9.5

npm ERR! npm  v3.10.10

npm ERR! code ELIFECYCLE

npm ERR! webpack-test@1.0.0 webpack: `webpack --config webpack.config.js --progr

ess --display-modules --colors  --display-reasons`

npm ERR! Exit status 1

npm ERR!

npm ERR! Failed at the webpack-test@1.0.0 webpack script 'webpack --config webpa

ck.config.js --progress --display-modules --colors  --display-reasons'.

npm ERR! Make sure you have the latest version of node.js and npm installed.

npm ERR! If you do, this is most likely a problem with the webpack-test package,

npm ERR! not with npm itself.

npm ERR! Tell the author that this fails on your system:

npm ERR!     webpack --config webpack.config.js --progress --display-modules --c

olors  --display-reasons

npm ERR! You can get information on how to open an issue for this project with:

npm ERR!     npm bugs webpack-test

npm ERR! Or if that isn't available, you can get their info via:

npm ERR!     npm owner ls webpack-test

npm ERR! There is likely additional logging output above.

npm WARN Local package.json exists, but node_modules missing, did you mean to in

stall?

npm ERR! Please include the following file with any support request:

npm ERR!     C:\Users\Administrator\imco\webpack-test\npm-debug.log