Error: Cannot find module '/usr/local/lib/package.json'

[hopperhuang]

i run this command : sudo npm install -g rc-tools to install rc-tools cli

but it throw err like this;

> fsevents@1.2.4 install /usr/local/lib/node_modules/rc-tools/node_modules/fsevents
> node install

[fsevents] Success: "/usr/local/lib/node_modules/rc-tools/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64/fse.node" already installed
Pass --update-binary to reinstall or --build-from-source to recompile

> uglifyjs-webpack-plugin@0.4.6 postinstall /usr/local/lib/node_modules/rc-tools/node_modules/uglifyjs-webpack-plugin
> node lib/post_install.js


> rc-tools@8.1.1 postinstall /usr/local/lib/node_modules/rc-tools
> node lib/init.js

module.js:549
    throw err;
    ^

Error: Cannot find module '/usr/local/lib/package.json'
    at Function.Module._resolveFilename (module.js:547:15)
    at Function.Module._load (module.js:474:25)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at init (/usr/local/lib/node_modules/rc-tools/lib/init.js:73:15)
    at Object.<anonymous> (/usr/local/lib/node_modules/rc-tools/lib/init.js:83:1)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)

version info: see below

platform: macos 10.13.4
node: 8.11.1
npm: 5.6.0