old_contents: var langs = [
    {title: 'English', path: '/home'},
    {title: '中文', path: '/zh/'},
  ]
  
  self.$config = {
      landing: true,
      repo: 'tboox/xmake',
      twitter: 'waruqi',
      url: 'http://xmake.io',
      'edit-link': 'https://github.com/tboox/xmake/blob/master/docs',
      nav: {
      default: [
        {
          title: 'Home', path: '/home'
        },
        {
          title: 'Plugins', path: '/plugins'
        },
        {
          title: 'Manual', path: '/manual'
        },
        {
          title: 'Articles', path: 'http://www.tboox.org/category/#xmake'
        },
        {
          title: 'Feedback', path: 'https://github.com/tboox/xmake/issues'
        },
        {
          title: 'Community', path: 'http://www.tboox.org/forum'
        },
        {
          title: 'English', type: 'dropdown', items: langs, exact: true
        }
      ],
      'zh': [
        {
          title: '首页', path: '/zh/'
        },
        {
          title: '插件', path: '/zh/plugins'
        },
        {
          title: '手册', path: '/zh/manual'
        },
        {
          title: '文章', path: 'http://www.tboox.org/cn/category/#xmake'
        },
        {
          title: '反馈', path: 'https://github.com/tboox/xmake/issues'
        },
        {
          title: '社区', path: 'http://www.tboox.org/forum'
        },
        {
          title: '中文', type: 'dropdown', items: langs, exact: true
        }
      ]
    },
    plugins: [
      docsearch({
        apiKey: 'fbba61eefc60a833d8caf1fa72bd8ef8',
        indexName: 'xmake',
        tags: ['en', 'zh']
      })
    ]
  }
  
new_contents: var langs = [
    {title: 'English', path: '/home'},
    {title: '中文', path: '/zh/'},
  ]
  
  self.$config = {
      landing: true,
      repo: 'tboox/xmake',
      twitter: 'waruqi',
      url: 'http://xmake.io',
      'edit-link': 'https://github.com/tboox/xmake/blob/dev/docs',
      nav: {
      default: [
        {
          title: 'Home', path: '/home'
        },
        {
          title: 'Plugins', path: '/plugins'
        },
        {
          title: 'Manual', path: '/manual'
        },
        {
          title: 'Articles', path: 'http://www.tboox.org/category/#xmake'
        },
        {
          title: 'Feedback', path: 'https://github.com/tboox/xmake/issues'
        },
        {
          title: 'Community', path: 'http://www.tboox.org/forum'
        },
        {
          title: 'English', type: 'dropdown', items: langs, exact: true
        }
      ],
      'zh': [
        {
          title: '首页', path: '/zh/'
        },
        {
          title: '插件', path: '/zh/plugins'
        },
        {
          title: '手册', path: '/zh/manual'
        },
        {
          title: '文章', path: 'http://www.tboox.org/cn/category/#xmake'
        },
        {
          title: '反馈', path: 'https://github.com/tboox/xmake/issues'
        },
        {
          title: '社区', path: 'http://www.tboox.org/forum'
        },
        {
          title: '中文', type: 'dropdown', items: langs, exact: true
        }
      ]
    },
    plugins: [
      docsearch({
        apiKey: 'fbba61eefc60a833d8caf1fa72bd8ef8',
        indexName: 'xmake',
        tags: ['en', 'zh']
      })
    ]
  }
  
subject: modify edit link in docs