Cannot find module 'cheerio'

    at Function.Module._resolveFilename (module.js:336:15)

    at Function.Module._load (module.js:278:25)

    at Module.require (module.js:365:17)

    at require (module.js:384:17)

    at Object.<anonymous> (E:\nodeTest\imooc-crawler.js:5:15)

    at Module._compile (module.js:460:26)

    at Object.Module._extensions..js (module.js:478:10)

    at Module.load (module.js:355:32)

    at Function.Module._load (module.js:310:12)

    at Function.Module.runMain (module.js:501:10)