anchor.diff:        <% @order.pure_order_serves.each do |order_serve| %>
           <tr>
             <td><%= order_serve.serve.name %></td>
  +          <td></td>
  +          <td></td>
  +          <td></td>
             <td></td>
             <td><%= order_serve.amount %></td>
             <td></td>
  
positive.code:           <tr class="warning">
              <td><%= order_promote.promote.name %></td>
              <td></td>
              <td><span style="color: red;"><%= order_promote.amount %></span></td>
              <td></td>
              <td></td>
            </tr>
  
negative.code:           <tr class="warning">
              <td><%= order_serve.serve.name %></td>
              <td></td>
              <td></td>
              <td><%= order_serve.amount %></td>
              <td></td>
              <td></td>
              <td></td>
            </tr>
  