message: Change sitemap generator
diff: @@ -16,7 +16,8 @@ xml += '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">\n'
  diskPages.forEach(page => {
  let stats = fs.statSync(page)
  - let modDate = new Date(stats.mtime)
  + // let modDate = new Date(stats.mtime)
  + let modDate = new Date()
  let lastMod = `${modDate.getFullYear()}-${('0' + (modDate.getMonth() + 1)).slice(-2)}-${(
  '0' + modDate.getDate()
  ).slice(-2)}`
  