Merge branch 'release/4.5' of http://git.yoho.cn/fe/YOHOBUYWAP into release/4.5

@@ -233,7 +233,8 @@ class Helpers
         if (!isset($productData['product_skn']) || !isset($productData['goods_list'][0])) {
             return false;
         }
-
+        $productData['sales_price'] = empty($productData['sales_price']) ? '' : $productData['sales_price'];
+        $productData['market_price'] = empty($productData['market_price']) ? '' : $productData['market_price'];
         // 市场价和售价一样，则不显示市场价
         if (intval($productData['market_price']) === intval($productData['sales_price'])) {
             $productData['market_price'] = false;