促销活动bugfix

src/main/webapp/WEB-INF/views/modules/product-new/multiPromotionForm.jsp

@@ -241,7 +241,7 @@
 
             $.ajax({
                 url: "${ctx}/product/cmPromotions/delPromotion",
-                data: {"id":${cmPromotion.id},"skuId":obj},
+                data: {"id":"${cmPromotion.id || ''}","skuId":obj},
                 type: "POST",
                 async: false,
                 success: function(data){

src/main/webapp/WEB-INF/views/modules/product-new/shopPromotionForm.jsp

@@ -234,7 +234,7 @@
 
             $.ajax({
                 url: "${ctx}/product/cmPromotions/delPromotion",
-                data: {"id":${cmPromotion.id},"skuId":obj},
+                data: {"id":"${cmPromotion.id || ''}","skuId":obj},
                 type: "POST",
                 async: false,
                 success: function(data){