anchor.diff:    <!-- <% sort = params["sort"] %> -->
     <div class="filter-orders__title pull-left">排序：</div>
     <div class="filter-orders__content pull-left">
  +    <div class="btn--orders btn--order-default">
  +      <%= link_to "综合".html_safe, params.merge({ order: "", sort: ""}), class: "order-class" %>
  +    </div>
  +
       <% if params["order"] == 'sales_amount' %>
         <% if params["sort"] == 'ASC' %>
           <div class="btn--orders btn--order-sale-vol active up">
         <% else %>
  -          <div class="btn--orders btn--order-sale-vol active down">
  +        <div class="btn--orders btn--order-sale-vol active down">
         <% end %>
       <% else %>
         <div class="btn--orders btn--order-sale-vol">
  
positive.code:         </div>
          <% if @all_locations.length > 20 %>
            <div class="collapse-btn pull-left text-right">
              <div class="btn open-btn">展开 <small><span class="glyphicon glyphicon-chevron-up"></span></small></div>
              <div class="btn close-btn">收起 <small><span class="glyphicon glyphicon-chevron-down"></span></small></div>
            </div>
          <% end %>
        </div>
  
negative.code:         </div>
          <% if @all_brands.length > 20 %>
            <div class="collapse-btn pull-left text-right">
              <div class="btn open-btn">展开 <small><span class="glyphicon glyphicon-chevron-down"></span></small></div>
              <div class="btn close-btn">收起 <small><span class="glyphicon glyphicon-chevron-up"></span></small></div>
            </div>
          <% end %>
        </div>
  