老师，我的node.js的环境都弄好了 直接输入淘宝镜像出现问题，如下

appledeMacBook-Pro:~ Aleeeeex$ node -v

v12.2.0

appledeMacBook-Pro:~ Aleeeeex$ npm -v

6.9.0

appledeMacBook-Pro:~ Aleeeeex$ npm install -g cnpm --registry=https://registry.npm.taobao.org

npm ERR! path ../lib/node_modules/cnpm/bin/cnpm

npm ERR! code EACCES

npm ERR! errno -13

npm ERR! syscall symlink

npm ERR! Error: EACCES: permission denied, symlink '../lib/node_modules/cnpm/bin/cnpm' -> '/usr/local/bin/cnpm'

npm ERR!  [OperationalError: EACCES: permission denied, symlink '../lib/node_modules/cnpm/bin/cnpm' -> '/usr/local/bin/cnpm'] {

npm ERR!   cause: [Error: EACCES: permission denied, symlink '../lib/node_modules/cnpm/bin/cnpm' -> '/usr/local/bin/cnpm'] {

npm ERR!     errno: -13,

npm ERR!     code: 'EACCES',

npm ERR!     syscall: 'symlink',

npm ERR!     path: '../lib/node_modules/cnpm/bin/cnpm',

npm ERR!     dest: '/usr/local/bin/cnpm'

npm ERR!   },

npm ERR!   stack: 'Error: EACCES: permission denied, symlink ' +

npm ERR!     "'../lib/node_modules/cnpm/bin/cnpm' -> " +

npm ERR!     "'/usr/local/bin/cnpm'",

npm ERR!   errno: -13,

npm ERR!   code: 'EACCES',

npm ERR!   syscall: 'symlink',

npm ERR!   path: '../lib/node_modules/cnpm/bin/cnpm',

npm ERR!   dest: '/usr/local/bin/cnpm'

npm ERR! }

npm ERR! 

npm ERR! The operation was rejected by your operating system.

npm ERR! It is likely you do not have the permissions to access this file as the current user

npm ERR! 

npm ERR! If you believe this might be a permissions issue, please double-check the

npm ERR! permissions of the file and its containing directories, or try running

npm ERR! the command again as root/Administrator (though this is not recommended).

npm ERR! A complete log of this run can be found in:

npm ERR!     /Users/apple./.npm/_logs/2019-05-13T04_18_49_437Z-debug.log

appledeMacBook-Pro:~ Aleeeeex$