diff --git a/framework/src/main/java/cn/lili/common/utils/CurrencyUtil.java b/framework/src/main/java/cn/lili/common/utils/CurrencyUtil.java
index 6b1b9aa2..aa030d6e 100644
--- a/framework/src/main/java/cn/lili/common/utils/CurrencyUtil.java
+++ b/framework/src/main/java/cn/lili/common/utils/CurrencyUtil.java
@@ -36,9 +36,9 @@ public final class CurrencyUtil {
         return result.doubleValue();
     }
     /**
-     * 提供精确的加法运算。
+     * 提供精确的减法运算。
      *
-     * @return 累加之和
+     * @return 第一个参数为被减数，其余数字为减数
      */
     public static Double sub(double... params) {
         BigDecimal result = BigDecimal.valueOf(params[0]);
diff --git a/framework/src/main/java/cn/lili/modules/order/order/entity/dto/PriceDetailDTO.java b/framework/src/main/java/cn/lili/modules/order/order/entity/dto/PriceDetailDTO.java
index dcc9ce66..67872901 100644
--- a/framework/src/main/java/cn/lili/modules/order/order/entity/dto/PriceDetailDTO.java
+++ b/framework/src/main/java/cn/lili/modules/order/order/entity/dto/PriceDetailDTO.java
@@ -309,7 +309,7 @@ public class PriceDetailDTO implements Serializable {
     }
 
     public Double getUpdatePrice() {
-        if (updatePrice == null || updatePrice <= 0) {
+        if (updatePrice == null) {
             return 0D;
         }
         return updatePrice;
diff --git a/framework/src/main/java/cn/lili/modules/order/order/serviceimpl/OrderPriceServiceImpl.java b/framework/src/main/java/cn/lili/modules/order/order/serviceimpl/OrderPriceServiceImpl.java
index dfb0bbd0..0210ffcf 100644
--- a/framework/src/main/java/cn/lili/modules/order/order/serviceimpl/OrderPriceServiceImpl.java
+++ b/framework/src/main/java/cn/lili/modules/order/order/serviceimpl/OrderPriceServiceImpl.java
@@ -16,6 +16,7 @@ import cn.lili.modules.order.order.service.OrderPriceService;
 import cn.lili.modules.order.order.service.OrderService;
 import cn.lili.modules.payment.kit.plugin.bank.BankTransferPlugin;
 import cn.lili.modules.system.aspect.annotation.SystemLogPoint;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -29,6 +30,7 @@ import java.util.List;
  * @author Chopper
  * @since 2020/11/17 7:36 下午
  */
+@Slf4j
 @Service
 public class OrderPriceServiceImpl implements OrderPriceService {
 
@@ -106,10 +108,8 @@ public class OrderPriceServiceImpl implements OrderPriceService {
         //订单修改金额=使用订单原始金额-修改后金额
         orderPriceDetailDTO.setUpdatePrice(CurrencyUtil.sub(orderPrice, orderPriceDetailDTO.getOriginalPrice()));
         order.setFlowPrice(orderPriceDetailDTO.getFlowPrice());
-        order.setPriceDetail(JSONUtil.toJsonStr(orderPriceDetailDTO));
-
         //修改订单
-        order.setPriceDetail(JSONUtil.toJsonStr(orderPriceDetailDTO));
+        order.setPriceDetailDTO(orderPriceDetailDTO);
         orderService.updateById(order);
 
         //修改子订单