if theme.baidu_push
  script.
    (function(){
      const bp = document.createElement('script');
      const curProtocol = window.location.protocol.split(':')[0];
      if (curProtocol === 'https') {
        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
      }
      else{
        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
      }
      bp.dataset.pjax = ''
      const s = document.getElementsByTagName("script")[0];
      s.parentNode.insertBefore(bp, s);
    })()