问使用bower安装时出现权限错误

EN

Andreass-MacBook-Air:openMedia Andreas$ bower install jquery
/usr/local/lib/node_modules/bower/node_modules/configstore/index.js:56
            throw err;
                  ^
Error: EACCES, permission denied '/Users/Andreas/.config/configstore/bower-github.yml'
You don't have access to this file.

at Error (native)
at Object.fs.openSync (evalmachine.<anonymous>:500:18)
at Object.fs.readFileSync (evalmachine.<anonymous>:352:15)
at Object.create.all.get (/usr/local/lib/node_modules/bower/node_modules/configstore/index.js:34:29)
at Object.Configstore (/usr/local/lib/node_modules/bower/node_modules/configstore/index.js:27:44)
at readCachedConfig (/usr/local/lib/node_modules/bower/lib/config.js:22:23)
at defaultConfig (/usr/local/lib/node_modules/bower/lib/config.js:11:24)
at Object.<anonymous> (/usr/local/lib/node_modules/bower/lib/index.js:40:32)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
Andreass-MacBook-Air:openMedia Andreas$