format currency plus or sub sign

@@ -4,7 +4,6 @@ import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import org.apache.ibatis.annotations.Param;
 
 @Data
 @Builder

@@ -5,6 +5,7 @@ import com.yohobuy.ufo.model.order.bo.PlatformFee;
 import com.yohobuy.ufo.model.order.bo.SellerOrderChargeParam;
 import com.yohobuy.ufo.model.order.bo.SoldPrdComputeBo;
 import com.yohobuy.ufo.model.order.common.SellerOrderStatus;
+import com.yohobuy.ufo.model.order.constants.OrderConstant;
 import com.yohobuy.ufo.model.order.resp.CouponInfo;
 import com.yohobuy.ufo.model.order.resp.ShoppingCoupon;
 import com.yohoufo.common.utils.BigDecimalHelper;
@@ -227,10 +228,18 @@ public final class SellerOrderConvertor {
     public static SoldPrdComputeBo convertWithCoupon(SellerOrderRelatedBuyerOrderContext sorboc){
         SellerOrderComputeResult computeResult = sorboc.getSellerOrderComputeResult();
         SoldPrdComputeBo bo = pureComputeResult2SoldPrdComputeBo(computeResult);
+        PlatformFee platformFee = bo.getPlatformFee();
+        if (Objects.nonNull(platformFee)){
+            platformFee.setAppraiseFee(OrderConstant.SUB_SIGN + platformFee.getAppraiseFee());
+            platformFee.setServiceFee(OrderConstant.SUB_SIGN + platformFee.getServiceFee());
+            platformFee.setPackageFee(OrderConstant.SUB_SIGN + platformFee.getPackageFee());
+        }
+
         SellerOrderChargeParam chargeParam = sorboc.getChargeParam();
         switch (chargeParam.getChargeStage()){
             case COMPUTE:{
                 CouponInfo couponInfo = CouponSupport.buildCouponInfo(computeResult.getCouponPayResultList().getCouponPayResults());
+                couponInfo.setCouponAmountStr(OrderConstant.PLUS_SIGN+couponInfo.getCouponAmountStr());
                 bo.setCouponInfo(couponInfo);
                 List<String> couponCodes = Lists.newArrayList(sorboc.getCouponCode());
                 //