"yo go-static" encounter error

[luckypoem]

hi.

root@localhost:/usr/local/generator-go-static-site# yo go-static
/usr/local/lib/node_modules/yo/node_modules/configstore/index.js:53
throw err;
^

Error: EACCES: permission denied, open '/root/.config/configstore/insight-yo.json'
You don't have access to this file.

at Object.fs.openSync (fs.js:557:18)
at Object.fs.readFileSync (fs.js:467:33)
at Configstore.get (/usr/local/lib/node_modules/yo/node_modules/configstore/index.js:34:26)
at Configstore (/usr/local/lib/node_modules/yo/node_modules/configstore/index.js:27:44)
at new Insight (/usr/local/lib/node_modules/yo/node_modules/insight/lib/index.js:37:34)
at Object.<anonymous> (/usr/local/lib/node_modules/yo/lib/cli.js:172:11)
at Module._compile (module.js:571:32)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)

root@localhost:/usr/local/generator-go-static-site#

how to fix it?