g:site_name" th:content="${title}">
  <meta property="og:description" th:content="${description}">
  <meta property="og:locale" content="zh">
  <meta property="og:image" th:content="@{${#strings.isEmpty(site.favicon) ? '' : #strings.startsWith(site.favicon,'http') ? site.favicon : (site.url + site.favicon).replaceAll('(?<!:)//', '/')}}">
  <meta name="twitter:card" content="summary">
  <meta name="twitter:title" th:content="${title}">
  <meta name="twitter:description" th:content="${description}">
  <meta n