    for (var i = 0; i < entries.length; i++) {
            var url = entries[i];
            var element = document.getElementById(url);
            var countSpan = $(element).find(COUNT_CONTAINER_REF);
            if (countSpan.text() == '') {
              countSpan.text(0);
            }
          }
        })
        .fail(function ({ responseJSON }) {
          console.log('LeanCloud Counter Error: ' + responseJSON.code + ' ' + responseJSON.error);
        });
    }
    

    $(function() {
      $.get