npm start 时报 node_modules/nan 错误

> node devServer.js

Listening at https://localhost:3001
node_modules/nan
resolve failed for "caniuse-db": Error: Cannot find module 'caniuse-db'
resolve failed for "babel-runtime": Error: Cannot find module 'babel-runtime'
resolve failed for "webpack-core": Error: Cannot find module 'webpack-core'
/Users/elvinlong/m.zentrust.cn/node_modules/webpack-core/lib/NormalModuleMixin.js:151
                throw e;
                ^

TypeError: Cannot read property 'displayName' of undefined

> node devServer.js

Listening at https://local