flow finished need to test

src/main/java/com/peanut/modules/book/entity/BuyOrderDetailEntity.java

@@ -56,7 +56,7 @@ public class BuyOrderDetailEntity implements Serializable {
     /**
      * 商品重量
      */
-    private Float weight;
+    private Double weight;
     /**
      * 商品类型
      */

src/main/java/com/peanut/modules/book/entity/ExpressCommodity.java

@@ -0,0 +1,40 @@
+package com.peanut.modules.book.entity;
+
+import lombok.Data;
+
+/**
+ * @Description: 货品 Value Object
+ * @Author: Cauchy
+ * @CreateTime: 2023/10/16
+ */
+@Data
+public class ExpressCommodity {
+    /**
+     * 商品名称
+     */
+    private String GoodsName;
+    /**
+     * 商品编码
+     */
+    private String GoodsCode;
+    /**
+     * 商品数量
+     */
+    private Integer Goodsquantity;
+    /**
+     * 商品价格
+     */
+    private Double GoodsPrice;
+    /**
+     * 商品重量
+     */
+    private Double GoodsWeight;
+    /**
+     * 商品描述
+     */
+    private String GoodsDesc;
+    /**
+     * 商品体积
+     */
+    private Double GoodsVol;
+}

src/main/java/com/peanut/modules/book/entity/ExpressOrder.java

@@ -5,6 +5,7 @@ import lombok.Data;
 
 import java.math.BigDecimal;
 import java.util.Date;
+import java.util.List;
 
 /**
  * @Description: 快递订单
@@ -45,7 +46,7 @@ public class ExpressOrder {
     /**
      * 总重量
      */
-    private int totalWeight;
+    private BigDecimal totalWeight;
     /**
      * 创建时间
      */
@@ -54,4 +55,8 @@ public class ExpressOrder {
      * 删除标识
      */
     private int delFlag;
+    /**
+     * 物品信息
+     */
+    private List<ExpressCommodity> Commodity;
 }