When I use the plugin hexo-generator-sitemap, I can't deploy my blog with error

[Andrew-liu]

I have execte some command below:

$  npm install hexo-generator-feed --save
hexo-generator-feed@0.2.1 node_modules/hexo-generator-feed
├── utils-merge@1.0.0
└── ejs@1.0.0

then, I modify _config.yml

plugins:
- hexo-generator-sitemap

and deploy my blog, I get a error

$ hexo d -g
[error] TypeError: Cannot read property 'sitemap' of undefined
TypeError: Cannot read property 'sitemap' of undefined
    at module.exports (/Users/andrew_liu/Andrew-liu.github.io/node_modules/hexo-generator-sitemap/lib/generator.js:25:17)
    at Domain.<anonymous> (/usr/local/lib/node_modules/hexo/lib/theme/index.js:113:7)
    at Domain.run (domain.js:197:16)
    at /usr/local/lib/node_modules/hexo/lib/theme/index.js:112:7
    at /usr/local/lib/node_modules/hexo/node_modules/async/lib/async.js:125:13
    at Array.forEach (native)
    at _each (/usr/local/lib/node_modules/hexo/node_modules/async/lib/async.js:46:24)
    at Object.async.each (/usr/local/lib/node_modules/hexo/node_modules/async/lib/async.js:124:9)
    at Theme._generate (/usr/local/lib/node_modules/hexo/lib/theme/index.js:104:9)
    at /usr/local/lib/node_modules/hexo/lib/theme/index.js:180:12

I can't solve this problem, hope get some help.

Thanks!

[geekrainy]

https://github.com/hexojs/hexo-generator-sitemap

[naokiy]

This issue was already solved

hexojs/hexo-generator-sitemap#10