'discount-buy-add'

@@ -50,12 +50,17 @@
                         <a class="btn btn-minus" href="javascript:void(0);">
                             <span class="iconfont {{#if promotionId}}disabled{{/if}}">&#xe625;</span>
                         </a>
-                        <input id="good-num" class="good-num disabled" type="text" value="1" disabled="true">
+                        <input id="good-num" class="good-num disabled" type="text" {{#if @root.discountBuy}}value="{{@root.discountBuy.num}}" {{^}} value="1"{{/if}} disabled="true">
                         <a class="btn btn-plus" href="javascript:void(0);">
                             <span class="iconfont {{#if promotionId}}disabled{{/if}}">&#xe624;</span>
                         </a>
                     </div>
+                    {{#if @root.discountBuy}}
+                    <span class="left-num-discount" style="color: #e10;position: absolute;top: 0.5rem;left: 9.5rem;overflow: hidden;white-space: nowrap;width: 5.2rem;-o-text-overflow: ellipsis;text-overflow: ellipsis;">{{@root.discountBuy.promotionPhrase}}</span>
+                    <input id="mnum" type="hidden" value="{{@root.discountBuy.num}}">
+                    {{^}}
                     <span class="left-num"></span>
+                    {{/if}}
                     <input id="left-num" type="hidden" value="0">
                     <input id="limitNum" type="hidden" value="{{limit}}">
                 </div>

@@ -59,7 +59,7 @@ var limitProductCode,
     skn;
 
 // 量贩商品
-var discountNum = $('#discount-buy').val() - 0,
+var discountNum = $('#mnum').val() - 0,
     $promotionPhrase = $('#promotion-phrase');
 
 // 禁用数字编辑