optimized

@@ -139,7 +139,7 @@ public class ProductProxyService {
             throw new UfoServiceException(501, "查无商品");
         }
         //add uid from 6.8.8
-        ProductDetailResp resp = ufoServiceCaller.call("ufo.product.baseInfo", productId, uid);
+        ProductDetailResp resp = ufoServiceCaller.call(UFO_PRODUCT_BASEINFO, productId, uid);
         ProductInfo productInfo = null;
         BigDecimal minPrice,maxPrice;
         if (Objects.isNull(resp)