diff --git a/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/price/PriceApiImpl.java b/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/price/PriceApiImpl.java
new file mode 100644
index 000000000..6b8663d1e
--- /dev/null
+++ b/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/price/PriceApiImpl.java
@@ -0,0 +1,24 @@
+package cn.iocoder.yudao.module.market.service.price;
+
+import cn.iocoder.yudao.module.market.api.price.PriceApi;
+import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateReqDTO;
+import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateRespDTO;
+import org.springframework.stereotype.Service;
+
+/**
+ * 价格 API 实现类
+ *
+ * TODO 完善注释
+ *
+ * @author TODO
+ */
+@Service
+public class PriceApiImpl implements PriceApi {
+
+    @Override
+    public PriceCalculateRespDTO calculatePrice(PriceCalculateReqDTO calculateReqDTO) {
+        // TODO fixme：实现逻辑
+        return new PriceCalculateRespDTO();
+    }
+
+}
diff --git a/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/package-info.java b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/package-info.java
new file mode 100644
index 000000000..162453c3c
--- /dev/null
+++ b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/package-info.java
@@ -0,0 +1 @@
+package cn.iocoder.yudao.module.product.api;
diff --git a/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/sku/ProductSkuApiImpl.java b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/sku/ProductSkuApiImpl.java
new file mode 100644
index 000000000..22636826b
--- /dev/null
+++ b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/sku/ProductSkuApiImpl.java
@@ -0,0 +1,26 @@
+package cn.iocoder.yudao.module.product.api.sku;
+
+import cn.iocoder.yudao.module.product.api.sku.dto.SkuDecrementStockBatchReqDTO;
+import cn.iocoder.yudao.module.product.api.sku.dto.SkuInfoRespDTO;
+import org.springframework.stereotype.Service;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * todo 注释
+ */
+@Service
+public class ProductSkuApiImpl implements ProductSkuApi {
+
+    @Override
+    public List<SkuInfoRespDTO> getSkusByIds(Collection<Long> skuIds) {
+        return null;
+    }
+
+    @Override
+    public void decrementStockBatch(SkuDecrementStockBatchReqDTO batchReqDTO) {
+
+    }
+
+}
diff --git a/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/spu/ProductSpuApiImpl.java b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/spu/ProductSpuApiImpl.java
new file mode 100644
index 000000000..8f651f395
--- /dev/null
+++ b/yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/api/spu/ProductSpuApiImpl.java
@@ -0,0 +1,20 @@
+package cn.iocoder.yudao.module.product.api.spu;
+
+import cn.iocoder.yudao.module.product.api.spu.dto.SpuInfoRespDTO;
+import org.springframework.stereotype.Service;
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * todo 注释
+ */
+@Service
+public class ProductSpuApiImpl implements ProductSpuApi {
+
+    @Override
+    public List<SpuInfoRespDTO> getSpusByIds(Collection<Long> spuIds) {
+        return null;
+    }
+
+}
diff --git a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/vo/AppTradeOrderCreateReqVO.java b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/vo/AppTradeOrderCreateReqVO.java
index d454fd63c..54e856a6b 100644
--- a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/vo/AppTradeOrderCreateReqVO.java
+++ b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/controller/app/order/vo/AppTradeOrderCreateReqVO.java
@@ -17,7 +17,7 @@ public class AppTradeOrderCreateReqVO {
     private Integer addressId;
 
     @ApiModelProperty(name = "优惠劵编号", example = "1024")
-    private Integer couponId;
+    private Long couponId;
 
     @ApiModelProperty(name = "备注", example = "1024")
     private String remark;
diff --git a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderConvert.java b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderConvert.java
index dd3cca38e..1b81212b8 100644
--- a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderConvert.java
+++ b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderConvert.java
@@ -4,6 +4,7 @@ import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateRespDTO;
 import cn.iocoder.yudao.module.trade.controller.app.order.vo.AppTradeOrderCreateReqVO;
 import cn.iocoder.yudao.module.trade.dal.dataobject.order.TradeOrderDO;
 import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
 import org.mapstruct.factory.Mappers;
 
 /**
@@ -15,6 +16,6 @@ public interface TradeOrderConvert {
 
     TradeOrderConvert INSTANCE = Mappers.getMapper(TradeOrderConvert.class);
 
-
+    @Mapping(source = "order.couponId", target = "couponId")
     TradeOrderDO convert(AppTradeOrderCreateReqVO createReqVO, PriceCalculateRespDTO.Order order);
 }
diff --git a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderItemConvert.java b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderItemConvert.java
index f9c44b4a6..23113f9f3 100644
--- a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderItemConvert.java
+++ b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/order/TradeOrderItemConvert.java
@@ -29,5 +29,8 @@ public interface TradeOrderItemConvert {
             @Mapping(source = "tradeOrder.userId", target = "userId"),
             @Mapping(source = "tradeOrder.orderId", target = "orderId")
     })
-    List<TradeOrderItemDO> convertList(TradeOrderDO tradeOrder, List<PriceCalculateRespDTO.Item> items);
+    default List<TradeOrderItemDO> convertList(TradeOrderDO tradeOrder, List<PriceCalculateRespDTO.Item> items) {
+        // TODO @Com: Mapstruct 生成会报错
+        throw new UnsupportedOperationException("无法实现");
+    }
 }
diff --git a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/order/TradeOrderMapper.java b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/order/TradeOrderMapper.java
index ed74f9b6c..3b963540b 100644
--- a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/order/TradeOrderMapper.java
+++ b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/order/TradeOrderMapper.java
@@ -2,10 +2,12 @@ package cn.iocoder.yudao.module.trade.dal.mysql.order;
 
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.module.trade.dal.dataobject.order.TradeOrderDO;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * @author LeeYan9
  * @since 2022-08-26
  */
+@Mapper
 public interface TradeOrderMapper extends BaseMapperX<TradeOrderDO> {
 }
diff --git a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/orderitem/TradeOrderItemMapper.java b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/orderitem/TradeOrderItemMapper.java
index 4e33cddd1..987d5a3f5 100644
--- a/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/orderitem/TradeOrderItemMapper.java
+++ b/yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/orderitem/TradeOrderItemMapper.java
@@ -2,10 +2,12 @@ package cn.iocoder.yudao.module.trade.dal.mysql.orderitem;
 
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.module.trade.dal.dataobject.order.TradeOrderItemDO;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * @author LeeYan9
  * @since 2022-08-26
  */
+@Mapper
 public interface TradeOrderItemMapper extends BaseMapperX<TradeOrderItemDO> {
 }
diff --git a/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/api/PayOrderApiImpl.java b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/api/PayOrderApiImpl.java
new file mode 100644
index 000000000..ff902be92
--- /dev/null
+++ b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/api/PayOrderApiImpl.java
@@ -0,0 +1,18 @@
+package cn.iocoder.yudao.module.pay.api;
+
+import cn.iocoder.yudao.module.pay.api.order.PayOrderApi;
+import cn.iocoder.yudao.module.pay.api.order.PayOrderDataCreateReqDTO;
+import org.springframework.stereotype.Service;
+
+/**
+ * TODO 注释
+ */
+@Service
+public class PayOrderApiImpl implements PayOrderApi {
+
+    @Override
+    public Long createPayOrder(PayOrderDataCreateReqDTO reqDTO) {
+        return null;
+    }
+
+}