执行 npm install -g @vue/cli 报错
Error: EACCES: permission denied, access \'/usr/local/lib/node_module
A complete log of this run can be found in: npm ERR! /Users/xx/.npm/_logs/2020-05-11T08_30_47_828Z-debug.log
权限不够，加上sudo即可：sudo npm install -g @vue/cli
