修改 bug

Signed-off-by: 周晓航 <xiaohang.zhou@freemud.com>

shopping-cart-application-service/src/main/java/cn/freemud/adapter/CouponAdapter.java

@@ -571,8 +571,8 @@ public class CouponAdapter {
         couponPromotionVO.setUnChooseCouponCode(shoppingCartInfoRequestVo.getUnChooseCouponCode());
         // 重新校验一遍 couponcodes
         if (CollectionUtils.isNotEmpty(couponPromotionVO.getCouponCodes())) {
-            Set<String> collect = couponPromotionVO.getCouponCodes().stream().filter(""::equals).collect(Collectors.toSet());
-            if (CollectionUtils.isNotEmpty(collect)) {
+            Set<String> collect = couponPromotionVO.getCouponCodes().stream().filter(s -> !"".equals(s)).collect(Collectors.toSet());
+            if (CollectionUtils.isEmpty(collect)) {
                 couponPromotionVO.setCouponCodes(new HashSet<>());
             }
         }