hotfix(cart): 修复套餐变化价格

@@ -298,8 +298,10 @@ const modifyProductNum = (req, res, next) => {
     let cartDelList = helper.getCartDelList(req, res);
     let batchNo = req.body.batch_no || null;
     let activityId = req.body.activity_id || null;
+    let poolType = (+req.body.pool_type) || null;
 
-    if (activityId) {
+    if (activityId && batchNo && poolType === 3) {
+        // 套餐商品计算
         return req.ctx(service).bundleNumData({
             uid: uid,
             batch_no: batchNo,

@@ -482,7 +482,8 @@ Cart = {
         capi.cartItemNumChg($.extend(countJSON, {
             sku: $item.data('id'),
             batch_no: $item.data('batch-no'),
-            activity_id: $item.data('pool-id')
+            activity_id: $item.data('pool-id'),
+            pool_type: $item.data('pool-type')
         }));
 
         if (!$btn.hasClass('cart-item-checked') && !$btn.hasClass('presale')) {