text: export default function () {
    if (process.browser && process.env.NODE_ENV === 'production') {
      (function () {
        var bp = document.createElement('script')
        var 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'
        }
        var s = document.getElementsByTagName("script")[0]
        s.parentNode.insertBefore(bp, s)
      })()
    }
  }
  