anchor.diff:              },
               success: function(dataRec) {
                   $('#show_more_btn').addClass('hide');
  -
  -                console.log(dataRec);
  +                lock = true;
  +
  +                // console.log(dataRec);
   
                   let data = dataRec['list'];
                   let page = dataRec['page'];
  
positive.code:         // 通过判断滚动条的top位置与可视网页之和与整个网页的高度是否相等来决定是否加载内容；
          let he = scrollTop + clientHeight;
  
          if (JSON.parse(answersHasNextPage) && he == htmlHeight) {
              if ($('#default-sort').hasClass('custom-current')) {
                  showMore(questionId, parseInt(answersPageNum) + 1, '/default-more-answers');
              } else {
                  showMore(questionId, parseInt(answersPageNum) + 1, '/time-more-answers');
              }
          }
      });
  
negative.code: <input type="hidden" id="answersHasNextPage" value="${page.hasNextPage}">
  
  <script type="text/javascript">
      // 防止重复加载
      let lock = true;
      $(window).scroll(function () {
  
          let answersPageNum = $('#answersPageNum').val();
  