修复收藏的商品中的判断相对收藏时下降的价格处理的bug

- Subproject commit 75bbc3b075de19f239532f60c5995d06c5f814e2
+ Subproject commit e9d066dd88a8e7e37103021c427a205a5cfcdcec

@@ -182,7 +182,7 @@ class UserModel
 				$product['title'] = $val['product_name'];
 				$product['price'] = !empty($val['market_price']) ? '￥'.$val['market_price'] . '.00' : 0;
 				$product['discountPrice'] = ($val['market_price'] - $val['sales_price'] > 0) ? '￥' . $val['sales_price'] . '.00' : false;
-				$product['savePrice'] = !empty($val['price_down'] > 0) ? '￥'.$val['price_down'] . '.00' : false;
+				$product['savePrice'] = ($val['price_down'] > 0) ? '￥'.$val['price_down'] . '.00' : false;
 				$product['sellOut'] = ($val['storage'] <= 0);
 
 				$datas[] = $product;