Merge branch 'feature/buynow' into release/5.8.1

@@ -52,7 +52,9 @@ $selectBtn.on('touchend', function() {
         chosePanel.show({
             data,
             disableNum: true,
-            buttonText: '确认'
+            buttonText: {
+                text: '确认'
+            }
         }).then(result => {
             if (result && result.sku) {
                 let product = $('#gskn-' + self.data('skn'));
@@ -109,6 +111,7 @@ $('.bundle-tabs').on('click', '.swiper-slide', (e) => {
 
 /**
  * 立即购买
+ * 大概 4 月份改成了加入购物车
  */
 $buyNowBtn.on('touchstart', function() {
     let bundleGoods = [],