mac上卸载了cordova之后，就再也装不上去了！求指教啊，

我本飞扬521

Last login: Fri Nov 11 09:29:51 on console

neudeMac-mini:~ neu$ sudo npm install -g ionic cordova@5.0.0

Password:

npm ERR! Darwin 15.6.0

npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "ionic" "cordova@5.0.0"

npm ERR! node v4.4.4

npm ERR! npm  v2.15.1

npm ERR! shasum check failed for /tmp/npm-499-454cd4ca/registry.npmjs.org/ionic/-/ionic-2.1.8.tgz

npm ERR! Expected: d71e8a313181ad5071923856810930ac68d14663

npm ERR! Actual:   5c72225cc304c05037918b56ae762f2efcdbf507

npm ERR! From:     https://registry.npmjs.org/ionic/-/ionic-2.1.8.tgz

npm ERR!

npm ERR! If you need help, you may report this error at:

npm ERR!     <https://github.com/npm/npm/issues>