npm install安装不上 about ncform

[samyhd]

$ cnpm install @ncform/ncform
提示

× Install fail! Error: [@ncform/[email protected] › @ncform/ncform-common@^1.2.0] Can't find package @ncform/ncform-common@^1.2.0
Error: [@ncform/[email protected] › @ncform/ncform-common@^1.2.0] Can't find package @ncform/ncform-common@^1.2.0
at resolve (C:\Users\SAM\AppData\Roaming\npm\node_modules\cnpm\node_modules\npminstall\lib\download\npm.js:78:11)
at resolve.next ()
at onFulfilled (C:\Users\SAM\AppData\Roaming\npm\node_modules\cnpm\node_modules\co\index.js:65:19)
at process._tickCallback (internal/process/next_tick.js:68:7)
npminstall version: 3.20.2

[samyhd]

我的npm问题，删除package-lock.json再安装就可以了。