npm ERR! code EACCES
npm ERR! syscall open
npm ERR! path /Users/xxxxx/.npm/_cacache/index-v5/42/0b/
npm ERR! errno -13
npm ERR!
npm ERR! Your cache folder contains root-owned files, due to a bug in
npm ERR! previous versions of npm which has since been addressed.
npm ERR!
npm ERR! To permanently fix this problem, please run:
npm ERR! sudo chown -R 501:20 “/Users/xxxxx/.npm”
npm ERR! code EACCES
npm ERR! syscall open
npm ERR! path /Users/xxxxx/.npm/_cacache/index-v5/4d/c3/
npm ERR! errno -13
npm ERR!
npm ERR! Your cache folder contains root-owned files, due to a bug in
npm ERR! previous versions of npm which has since been addressed.
npm ERR!
npm ERR! To permanently fix this problem, please run:
npm ERR! sudo chown -R 501:20 “/Users/xxxxxx/.npm”
npm ERR! code EACCES
npm ERR! syscall open
npm ERR! path /Users/xxxxxx/.npm/_cacache/index-v5/ac/a0/
npm ERR! errno -13
npm ERR!
npm ERR! Your cache folder contains root-owned files, due to a bug in
npm ERR! previous versions of npm which has since been addressed.
npm ERR!
npm ERR! To permanently fix this problem, please run:
npm ERR! sudo chown -R 501:20 “/Users/xxxxx/.npm”
npm ERR! code EACCES
npm ERR! syscall open
npm ERR! path /Users/xxxxx/.npm/_cacache/index-
npm ERR! errno -13
npm ERR!
npm ERR! Your cache folder contains root-owned files, due to a bug in
npm ERR! previous versions of npm which has since been addressed.
npm ERR!
npm ERR! To permanently fix this problem, please run:
npm ERR! sudo chown -R 501:20 “/Users/xxxxxx/.npm”

当我兴致勃勃的要npm i 下载依赖的时候，突然满屏的错误，吓了一跳。。。
然后看到后面是npm 权限问题，而且报警很贴心的在最后一行，告诉了我，要想修复这个问题，请运行:

	sudo chown -R 501:20 "/Users/xxxxxx/.npm"

直接CV大法，齐活儿了。
最后的安装完依赖，项目成功跑起来了，哦耶✌️