mac安装yarn 报错 用户名错误 open ‘/Users/xiaoka/.config/yarn‘

yarn --version
Error: EACCES: permission denied, open ‘/Users/xiaoka/.config/yarn’
at Object.openSync (fs.js:476:3)
at readFileSync (fs.js:377:35)
at /usr/local/lib/node_modules/yarn/lib/cli.js:101466:58
at Array.map ()
at parseRcPaths (/usr/local/lib/node_modules/yarn/lib/cli.js:101464:78)
at Object.findRc (/usr/local/lib/node_modules/yarn/lib/cli.js:101478:10)
at getRcConfigForCwd (/usr/local/lib/node_modules/yarn/lib/cli.js:56957:74)
at /usr/local/lib/node_modules/yarn/lib/cli.js:92827:56
at Generator.next ()
at step (/usr/local/lib/node_modules/yarn/lib/cli.js:310:30)
运行下面的命令

	sudo chown -R $username ~/.npm
	sudo chown -R $username ~/.config