module.js:471

    throw err;

    ^

Error: Cannot find module 'vinyl-file'

    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> (E:\test\node_modules\_gulp-rev@7.1.2@gulp-rev\index.js:6:12)

    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)

这是怎么回事？我们没按装过vinly-file这个插件。