'nuxt' 不是内部或外部命令，也不是可运行的程序
或批处理文件。
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! imetro-webapp@1.0.0 dev: nuxt
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the imetro-webapp@1.0.0 dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:UsersadminAppDataRoamingnpm-cache_logs2019-05-15T06_38_00_449Z-debug.log