diff --git a/common/common-framework/src/main/java/cn/iocoder/common/framework/dataobject/BaseDO.java b/common/common-framework/src/main/java/cn/iocoder/common/framework/dataobject/BaseDO.java
index 54cf1c7bb..4629484f2 100644
--- a/common/common-framework/src/main/java/cn/iocoder/common/framework/dataobject/BaseDO.java
+++ b/common/common-framework/src/main/java/cn/iocoder/common/framework/dataobject/BaseDO.java
@@ -1,11 +1,12 @@
 package cn.iocoder.common.framework.dataobject;
 
+import java.io.Serializable;
 import java.util.Date;
 
 /**
  * 基础实体对象
  */
-public class BaseDO {
+public class BaseDO implements Serializable {
 
     /**
      * 是否删除 - 是
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/OrderExchangeReasonEnum.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/OrderExchangeReasonEnum.java
new file mode 100644
index 000000000..a83879416
--- /dev/null
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/OrderExchangeReasonEnum.java
@@ -0,0 +1,40 @@
+package cn.iocoder.mall.order.constants;
+
+/**
+ * 订单换货原因
+ *
+ * @author Sin
+ * @time 2019-03-20 21:17
+ */
+public enum OrderExchangeReasonEnum {
+
+    REASON_000(0, "其他"),
+    REASON_001(1, "尺码不合适"),
+    REASON_002(2, "质量问题"),
+    REASON_003(3, "不喜欢"),
+    ;
+
+    private Integer value;
+
+    private String name;
+
+    OrderExchangeReasonEnum(Integer value, String name) {
+        this.value = value;
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "OrderCommonReasonEnum{" +
+                "value=" + value +
+                ", name=" + name +
+                '}';
+    }
+
+    public Integer getValue() {
+        return value;
+    }
+
+    public String getName() {
+        return name;
+    }}
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/OrderReturnReasonEnum.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/OrderReturnReasonEnum.java
new file mode 100644
index 000000000..6e6751892
--- /dev/null
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/OrderReturnReasonEnum.java
@@ -0,0 +1,52 @@
+package cn.iocoder.mall.order.constants;
+
+/**
+ * 订单退货原因
+ *
+ * @author Sin
+ * @time 2019-03-20 21:17
+ */
+public enum OrderReturnReasonEnum {
+
+    ///
+    /// 未发货情况
+
+    REASON_000(0, "其他"),
+    REASON_001(1, "拍错/勿拍/多拍"),
+    REASON_002(2, "缺货"),
+
+    ///
+    /// 已发货情况
+
+    REASON_020(20, "七天无理由"),
+    REASON_021(21, "质量问题"),
+    REASON_022(22, "不想要了"),
+
+    ;
+
+    // TODO: 2019-03-20 Sin  已发货情况 补全，需要对照一下 淘宝
+
+    private Integer value;
+
+    private String name;
+
+    OrderReturnReasonEnum(Integer value, String name) {
+        this.value = value;
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "OrderCommonReasonEnum{" +
+                "value=" + value +
+                ", name=" + name +
+                '}';
+    }
+
+    public Integer getValue() {
+        return value;
+    }
+
+    public String getName() {
+        return name;
+    }}
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/package-info.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/package-info.java
new file mode 100644
index 000000000..5d683d051
--- /dev/null
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/constants/package-info.java
@@ -0,0 +1,7 @@
+/**
+ * 定义常量，以及枚举信息
+ *
+ * @author Sin
+ * @time 2019-03-20 21:16
+ */
+package cn.iocoder.mall.order.constants;
\ No newline at end of file
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderDO.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderDO.java
index 730620ddd..ba3a9014e 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderDO.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderDO.java
@@ -1,5 +1,7 @@
 package cn.iocoder.mall.order.dataobject;
 
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
 import java.io.Serializable;
 import java.util.Date;
 
@@ -9,7 +11,7 @@ import java.util.Date;
  * @author Sin
  * @time 2019-03-16 13:49
  */
-public class OrderDO implements Serializable {
+public class OrderDO extends BaseDO {
 
     /**
      * id
@@ -31,10 +33,6 @@ public class OrderDO implements Serializable {
     ///
     /// 时间信息
 
-    /**
-     * 创建时间
-     */
-    private Date createTime;
     /**
      * 付款时间
      */
@@ -58,24 +56,20 @@ public class OrderDO implements Serializable {
     /**
      * 是否退货
      *
-     * - 0、no
-     * - 1、yes
+     * - 0、没有
+     * - 1、换货
+     * - 2、退货
+     * - 3、换货 + 退货
      */
-    private Integer hasReturn;
-    /**
-     * 是否换货
-     *
-     * - 0、no
-     * - 1、yes
-     */
-    private Integer hasExchange;
+    private Integer hasReturnExchange;
     /**
      * 状态(如果有多个商品分开发货需要全部商品发完才会改变状态)
      *
-     * - 0、代付款
-     * - 1、已付款
-     * - 2、已退款
+     * - 0、待付款
+     * - 1、待发货
+     * - 2、待收获
      * - 3、已完成
+     * - 4、已关闭
      */
     private Integer status;
     /**
@@ -97,13 +91,11 @@ public class OrderDO implements Serializable {
                 ", orderLogisticsId=" + orderLogisticsId +
                 ", orderNo='" + orderNo + '\'' +
                 ", price=" + price +
-                ", createTime=" + createTime +
                 ", paymentTime=" + paymentTime +
                 ", deliveryTime=" + deliveryTime +
                 ", receiverTime=" + receiverTime +
                 ", closingTime=" + closingTime +
-                ", hasReturn=" + hasReturn +
-                ", hasExchange=" + hasExchange +
+                ", hasReturnExchange=" + hasReturnExchange +
                 ", status=" + status +
                 ", deleteStatus=" + deleteStatus +
                 ", remark='" + remark + '\'' +
@@ -146,15 +138,6 @@ public class OrderDO implements Serializable {
         return this;
     }
 
-    public Date getCreateTime() {
-        return createTime;
-    }
-
-    public OrderDO setCreateTime(Date createTime) {
-        this.createTime = createTime;
-        return this;
-    }
-
     public Date getPaymentTime() {
         return paymentTime;
     }
@@ -191,21 +174,12 @@ public class OrderDO implements Serializable {
         return this;
     }
 
-    public Integer getHasReturn() {
-        return hasReturn;
+    public Integer getHasReturnExchange() {
+        return hasReturnExchange;
     }
 
-    public OrderDO setHasReturn(Integer hasReturn) {
-        this.hasReturn = hasReturn;
-        return this;
-    }
-
-    public Integer getHasExchange() {
-        return hasExchange;
-    }
-
-    public OrderDO setHasExchange(Integer hasExchange) {
-        this.hasExchange = hasExchange;
+    public OrderDO setHasReturnExchange(Integer hasReturnExchange) {
+        this.hasReturnExchange = hasReturnExchange;
         return this;
     }
 
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderExchangeDO.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderExchangeDO.java
index a157b8ede..f01e392e6 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderExchangeDO.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderExchangeDO.java
@@ -1,6 +1,7 @@
 package cn.iocoder.mall.order.dataobject;
 
-import java.io.Serializable;
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
 import java.util.Date;
 
 /**
@@ -9,7 +10,7 @@ import java.util.Date;
  * @author Sin
  * @time 2019-03-19 19:48
  */
-public class OrderExchangeDO implements Serializable {
+public class OrderExchangeDO extends BaseDO {
 
     /**
      * id
@@ -23,6 +24,14 @@ public class OrderExchangeDO implements Serializable {
      * 订单编号
      */
     private String orderNo;
+    /**
+     * 商品id（保存一个冗余，如果一个订单下存在多个商品，会有很大的作用）
+     */
+    private String skuId;
+    /**
+     * 换货商品id
+     */
+    private String exchangeSkuId;
     /**
      * 换货物流id
      */
@@ -32,6 +41,22 @@ public class OrderExchangeDO implements Serializable {
      */
     private Integer receiverOrderLogisticsId;
 
+    ///
+    /// 原因
+
+    /**
+     * 原因 (关联字典)
+     *
+     * {@link cn.iocoder.mall.order.constants.OrderExchangeReasonEnum}
+     */
+    private Integer orderReasonId;
+    /**
+     * 原因（如果选择其他，原因保存在这）
+     *
+     * {@link cn.iocoder.mall.order.constants.OrderExchangeReasonEnum#REASON_000}
+     */
+    private String reason;
+
     ///
     /// 时间信息
 
@@ -76,8 +101,12 @@ public class OrderExchangeDO implements Serializable {
                 "id=" + id +
                 ", orderId=" + orderId +
                 ", orderNo='" + orderNo + '\'' +
+                ", skuId='" + skuId + '\'' +
+                ", exchangeSkuId='" + exchangeSkuId + '\'' +
                 ", exchangeOrderLogisticsId=" + exchangeOrderLogisticsId +
                 ", receiverOrderLogisticsId=" + receiverOrderLogisticsId +
+                ", orderReasonId=" + orderReasonId +
+                ", reason='" + reason + '\'' +
                 ", createTime=" + createTime +
                 ", paymentTime=" + paymentTime +
                 ", deliveryTime=" + deliveryTime +
@@ -114,6 +143,24 @@ public class OrderExchangeDO implements Serializable {
         return this;
     }
 
+    public String getSkuId() {
+        return skuId;
+    }
+
+    public OrderExchangeDO setSkuId(String skuId) {
+        this.skuId = skuId;
+        return this;
+    }
+
+    public String getExchangeSkuId() {
+        return exchangeSkuId;
+    }
+
+    public OrderExchangeDO setExchangeSkuId(String exchangeSkuId) {
+        this.exchangeSkuId = exchangeSkuId;
+        return this;
+    }
+
     public Integer getExchangeOrderLogisticsId() {
         return exchangeOrderLogisticsId;
     }
@@ -132,10 +179,30 @@ public class OrderExchangeDO implements Serializable {
         return this;
     }
 
+    public Integer getOrderReasonId() {
+        return orderReasonId;
+    }
+
+    public OrderExchangeDO setOrderReasonId(Integer orderReasonId) {
+        this.orderReasonId = orderReasonId;
+        return this;
+    }
+
+    public String getReason() {
+        return reason;
+    }
+
+    public OrderExchangeDO setReason(String reason) {
+        this.reason = reason;
+        return this;
+    }
+
+    @Override
     public Date getCreateTime() {
         return createTime;
     }
 
+    @Override
     public OrderExchangeDO setCreateTime(Date createTime) {
         this.createTime = createTime;
         return this;
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderItemDO.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderItemDO.java
index e4ef2dfc4..7c463e7f5 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderItemDO.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderItemDO.java
@@ -1,6 +1,7 @@
 package cn.iocoder.mall.order.dataobject;
 
-import java.io.Serializable;
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
 import java.util.Date;
 
 /**
@@ -9,7 +10,7 @@ import java.util.Date;
  * @author Sin
  * @time 2019-03-16 14:03
  */
-public class OrderItemDO implements Serializable {
+public class OrderItemDO extends BaseDO {
 
     /**
      * 编号
@@ -26,7 +27,7 @@ public class OrderItemDO implements Serializable {
     /**
      * 商品编号
      */
-    private String commodityId;
+    private String skuId;
     /**
      * 数量
      */
@@ -80,10 +81,11 @@ public class OrderItemDO implements Serializable {
     /**
      * 状态
      *
-     * - 0、代付款
-     * - 1、已付款
-     * - 2、已退款
+     * - 0、待付款
+     * - 1、待发货
+     * - 2、待收获
      * - 3、已完成
+     * - 4、已关闭
      */
     private Integer status;
 
@@ -93,7 +95,7 @@ public class OrderItemDO implements Serializable {
                 "id=" + id +
                 ", orderId=" + orderId +
                 ", orderNo='" + orderNo + '\'' +
-                ", commodityId='" + commodityId + '\'' +
+                ", skuId='" + skuId + '\'' +
                 ", quantity=" + quantity +
                 ", price=" + price +
                 ", createTime=" + createTime +
@@ -134,12 +136,12 @@ public class OrderItemDO implements Serializable {
         return this;
     }
 
-    public String getCommodityId() {
-        return commodityId;
+    public String getSkuId() {
+        return skuId;
     }
 
-    public OrderItemDO setCommodityId(String commodityId) {
-        this.commodityId = commodityId;
+    public OrderItemDO setSkuId(String skuId) {
+        this.skuId = skuId;
         return this;
     }
 
@@ -161,10 +163,12 @@ public class OrderItemDO implements Serializable {
         return this;
     }
 
+    @Override
     public Date getCreateTime() {
         return createTime;
     }
 
+    @Override
     public OrderItemDO setCreateTime(Date createTime) {
         this.createTime = createTime;
         return this;
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDO.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDO.java
index 2b7cadc24..fc4cffd65 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDO.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDO.java
@@ -1,6 +1,6 @@
 package cn.iocoder.mall.order.dataobject;
 
-import java.io.Serializable;
+import cn.iocoder.common.framework.dataobject.BaseDO;
 
 /**
  * 订单物流信息
@@ -8,7 +8,7 @@ import java.io.Serializable;
  * @author Sin
  * @time 2019-03-19 20:47
  */
-public class OrderLogisticsDO implements Serializable {
+public class OrderLogisticsDO extends BaseDO {
 
     /**
      * id
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDetailDO.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDetailDO.java
index efafa3153..6e461b455 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDetailDO.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderLogisticsDetailDO.java
@@ -1,6 +1,7 @@
 package cn.iocoder.mall.order.dataobject;
 
-import java.io.Serializable;
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
 import java.util.Date;
 
 /**
@@ -11,7 +12,7 @@ import java.util.Date;
  * @author Sin
  * @time 2019-03-19 20:48
  */
-public class OrderLogisticsDetailDO implements Serializable {
+public class OrderLogisticsDetailDO extends BaseDO {
 
     /**
      * id
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderReturnDO.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderReturnDO.java
index b5f98edea..3e6714d87 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderReturnDO.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/OrderReturnDO.java
@@ -1,6 +1,7 @@
 package cn.iocoder.mall.order.dataobject;
 
-import java.io.Serializable;
+import cn.iocoder.common.framework.dataobject.BaseDO;
+
 import java.util.Date;
 
 /**
@@ -9,7 +10,7 @@ import java.util.Date;
  * @author Sin
  * @time 2019-03-19 19:48
  */
-public class OrderReturnDO implements Serializable {
+public class OrderReturnDO extends BaseDO {
 
     /**
      * 编号自动增长
@@ -27,6 +28,26 @@ public class OrderReturnDO implements Serializable {
      * 订单 item 编号
      */
     private Integer orderItemId;
+    /**
+     * 商品编号（保存一个冗余，如果一个订单下存在多个商品，会有很大的作用）
+     */
+    private String skuId;
+
+    ///
+    /// 退货原因
+
+    /**
+     * 退货原因(字典值)
+     *
+     * {@link cn.iocoder.mall.order.constants.OrderReturnReasonEnum}
+     */
+    private Integer orderReasonId;
+    /**
+     * 原因（如果选择其他，原因保存在这）
+     *
+     * {@link cn.iocoder.mall.order.constants.OrderReturnReasonEnum#REASON_000}
+     */
+    private String reason;
 
     ///
     /// 时间信息
@@ -80,6 +101,9 @@ public class OrderReturnDO implements Serializable {
                 ", orderId=" + orderId +
                 ", orderNo='" + orderNo + '\'' +
                 ", orderItemId=" + orderItemId +
+                ", skuId='" + skuId + '\'' +
+                ", orderReasonId=" + orderReasonId +
+                ", reason='" + reason + '\'' +
                 ", createTime=" + createTime +
                 ", approvalTime=" + approvalTime +
                 ", logisticsTime=" + logisticsTime +
@@ -126,10 +150,39 @@ public class OrderReturnDO implements Serializable {
         return this;
     }
 
+    public String getSkuId() {
+        return skuId;
+    }
+
+    public OrderReturnDO setSkuId(String skuId) {
+        this.skuId = skuId;
+        return this;
+    }
+
+    public Integer getOrderReasonId() {
+        return orderReasonId;
+    }
+
+    public OrderReturnDO setOrderReasonId(Integer orderReasonId) {
+        this.orderReasonId = orderReasonId;
+        return this;
+    }
+
+    public String getReason() {
+        return reason;
+    }
+
+    public OrderReturnDO setReason(String reason) {
+        this.reason = reason;
+        return this;
+    }
+
+    @Override
     public Date getCreateTime() {
         return createTime;
     }
 
+    @Override
     public OrderReturnDO setCreateTime(Date createTime) {
         this.createTime = createTime;
         return this;
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/README.md b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/README.md
index 9648f3929..f42e41382 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/README.md
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/dataobject/README.md
@@ -2,4 +2,20 @@
 ## 订单
 
 
-TODO
\ No newline at end of file
+TODO
+
+
+**退货**
+
+1. 商家未发货，退货原因
+
+    - 拍错/勿拍/多拍
+    - 缺货
+    
+2. 商家已发货，退货原因
+
+    - 七天无理由    
+    - 质量问题    
+    - 不想要了    
+    - 其他    
+    
\ No newline at end of file