运行gitpress出错，如何解决？

[luckypoem]

hi.
as3:# npm install gitpress -g
as3:# /root/npm/bin/gitpress -h
Error: ENOENT, no such file or directory '/root/npm/lib/node_modules/gitpress/app/Runtime/Data/app.pid'
at Object.fs.openSync (fs.js:427:18)
at Object.fs.writeFileSync (fs.js:966:15)
at Object.module.exports.log_process_pid (/root/npm/lib/node_modules/gitpress/node_modules/thinkjs/lib/Lib/Core/Think.class.js:103:16)
at Object.module.exports.start (/root/npm/lib/node_modules/gitpress/node_modules/thinkjs/lib/Lib/Core/Think.class.js:16:14)
at Object. (/root/npm/lib/node_modules/gitpress/node_modules/thinkjs/lib/Common/runtime.js:103:24)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
as3:~#

[akira-cn]

这个可能是权限的问题，sudo一下试试