调整文案

resources/views/detail/content.blade.php

@@ -502,7 +502,7 @@
 
                     @if ($order_price_info['discount_amount'] != 0)
                         <tr>
-                            <td>优惠券：</td>
+                            <td>优惠金额：</td>
                             <td class="edit-parent-td">
                                 {{$currency}}<span id="other_money">{{$order_price_info['discount_amount']}}</span>
                             </td>