修改加价购或者赠品信息图片大小

Code Review By Rock Zhang

@@ -646,7 +646,7 @@ class CartModel
                 // 缩略图
                 foreach ($val['images_list'] as $image) {
                     $thumbImageList[] = array(
-                        'img' => Helpers::getImageUrl($image['image_url'], 60, 60)
+                        'img' => Helpers::getImageUrl($image['image_url'], 80, 106)
                     );
                 }