商品详情页面优化

@@ -157,7 +157,7 @@ const getSizeInfo = (sizeInfo) => {
                 dest.sizeInfo.detail.list.push(temp);
             });
         } else {
-            dest.sizeInfo.detail.list[0].params[0] = '';
+            dest.sizeInfo.detail.list[0] && (dest.sizeInfo.detail.list[0].params[0] = '');
         }
     }
 

@@ -22,8 +22,10 @@ function hiddenTips($ele) {
 
     if ($ele.length > 0) {
         offsetContainer = $ele[0].getBoundingClientRect().right;
-        offsetLastColumn = $ele.find('.swiper-slide:last-child')[0].getBoundingClientRect().right;
 
+        if ($ele.find('.swiper-slide:last-child')[0]) {
+            offsetLastColumn = $ele.find('.swiper-slide:last-child')[0].getBoundingClientRect().right;
+        }
 
         if (offsetLastColumn - offsetContainer < 0) {
             $ele.next('.tips').css('display', 'none');
@@ -119,4 +121,3 @@ function scrollHandler() {
 $(window).scroll(function() {
     window.requestAnimationFrame(scrollHandler);
 });
-