diff --git a/order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/admins/AdminOrderReturnController.java b/order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/admins/AdminOrderReturnController.java
index 625b341f..080beb3d 100644
--- a/order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/admins/AdminOrderReturnController.java
+++ b/order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/admins/AdminOrderReturnController.java
@@ -35,7 +35,11 @@ public class AdminOrderReturnController {
 
     @PostMapping("agree")
     public CommonResult agree(@RequestParam("id") Integer id) {
-        CommonResult commonResult = orderReturnService.agree(id);
-        return commonResult;
+        return orderReturnService.orderReturnAgree(id);
+    }
+
+    @PostMapping("refuse")
+    public CommonResult refuse(@RequestParam("id") Integer id) {
+        return orderReturnService.orderReturnRefuse(id);
     }
 }
diff --git a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/OrderReturnService.java b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/OrderReturnService.java
index be847f25..c598d8fb 100644
--- a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/OrderReturnService.java
+++ b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/OrderReturnService.java
@@ -50,4 +50,20 @@ public interface OrderReturnService {
      * @return
      */
     CommonResult<OrderReturnListBO> orderReturnList(OrderReturnQueryDTO queryDTO);
+
+    /**
+     * 订单退货 - 接受
+     *
+     * @param id
+     * @return
+     */
+    CommonResult orderReturnAgree(Integer id);
+
+    /**
+     * 订单退货 - 拒绝
+     *
+     * @param id
+     * @return
+     */
+    CommonResult orderReturnRefuse(Integer id);
 }
diff --git a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderErrorCodeEnum.java b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderErrorCodeEnum.java
index 15b616bd..382e851f 100644
--- a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderErrorCodeEnum.java
+++ b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderErrorCodeEnum.java
@@ -34,6 +34,7 @@ public enum OrderErrorCodeEnum {
 
     // 订单退货
     ORDER_RETURN_NO_RETURN_APPLY(1008000400, "未退货申请"),
+    ORDER_RETURN_NOT_EXISTENT(1008000401, "退货订单不存在"),
 
     // ========== 购物车 ==========
     CARD_ITEM_NOT_FOUND(1008003000, "购物车项不存在"),
diff --git a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnReturnTypeEnum.java b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnServiceTypeEnum.java
similarity index 84%
rename from order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnReturnTypeEnum.java
rename to order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnServiceTypeEnum.java
index 08e595db..0be9ebbb 100644
--- a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnReturnTypeEnum.java
+++ b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnServiceTypeEnum.java
@@ -6,7 +6,7 @@ package cn.iocoder.mall.order.api.constant;
  * @author Sin
  * @time 2019-04-27 11:53
  */
-public enum OrderReturnReturnTypeEnum {
+public enum OrderReturnServiceTypeEnum {
 
     /**
      * 状态
@@ -21,7 +21,7 @@ public enum OrderReturnReturnTypeEnum {
 
     private final String name;
 
-    OrderReturnReturnTypeEnum(int value, String name) {
+    OrderReturnServiceTypeEnum(int value, String name) {
         this.value = value;
         this.name = name;
     }
diff --git a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnStatusEnum.java b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnStatusEnum.java
index ef59a92f..8b37f22f 100644
--- a/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnStatusEnum.java
+++ b/order/order-service-api/src/main/java/cn/iocoder/mall/order/api/constant/OrderReturnStatusEnum.java
@@ -18,8 +18,10 @@ public enum OrderReturnStatusEnum {
      * - 5、退货成功
      */
     RETURN_APPLICATION(1, "退货申请"),
-    APPLICATION_SUCCESSFUL(1, "申请成功"),
-    APPLICATION_FAIL(1, "申请失败"),
+    APPLICATION_SUCCESSFUL(2, "申请成功"),
+    APPLICATION_FAIL(3, "申请失败"),
+    RETURN(4, "退货中"),
+    RETURN_SUCCESS(5, "退货成功"),
     ;
     private final int value;
 
diff --git a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/OrderReturnServiceImpl.java b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/OrderReturnServiceImpl.java
index 4e354e14..7dd3e1ba 100644
--- a/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/OrderReturnServiceImpl.java
+++ b/order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/OrderReturnServiceImpl.java
@@ -9,6 +9,7 @@ import cn.iocoder.mall.order.api.bo.OrderLastLogisticsInfoBO;
 import cn.iocoder.mall.order.api.bo.OrderReturnInfoBO;
 import cn.iocoder.mall.order.api.bo.OrderReturnListBO;
 import cn.iocoder.mall.order.api.constant.OrderErrorCodeEnum;
+import cn.iocoder.mall.order.api.constant.OrderReturnServiceTypeEnum;
 import cn.iocoder.mall.order.api.constant.OrderReturnStatusEnum;
 import cn.iocoder.mall.order.api.dto.OrderReturnApplyDTO;
 import cn.iocoder.mall.order.api.dto.OrderReturnQueryDTO;
@@ -142,11 +143,37 @@ public class OrderReturnServiceImpl implements OrderReturnService {
     }
 
     @Override
-    public CommonResult agree(Integer id) {
+    public CommonResult orderReturnAgree(Integer id) {
         OrderReturnDO orderReturnDO = orderReturnMapper.selectById(id);
         if (orderReturnDO == null) {
-
+            return ServiceExceptionUtil
+                    .error(OrderErrorCodeEnum.ORDER_RETURN_NOT_EXISTENT.getCode());
         }
-        return null;
+
+        // TODO: 2019/5/8 sin, 发送 MQ 消息，申请退货成功!
+        // TODO: 2019/5/8 sin 退款：支付系统退款
+        // TODO: 2019/5/8 sin 退货+退款：退回商品签收后，支付系统退款
+
+        orderReturnMapper.updateByOrderId(
+                new OrderReturnDO()
+                        .setId(id)
+                        .setStatus(OrderReturnStatusEnum.APPLICATION_SUCCESSFUL.getValue())
+        );
+        return CommonResult.success(null);
+    }
+
+    @Override
+    public CommonResult orderReturnRefuse(Integer id) {
+        OrderReturnDO orderReturnDO = orderReturnMapper.selectById(id);
+        if (orderReturnDO == null) {
+            return ServiceExceptionUtil.error(OrderErrorCodeEnum.ORDER_RETURN_NOT_EXISTENT.getCode());
+        }
+
+        orderReturnMapper.updateByOrderId(
+                new OrderReturnDO()
+                        .setId(id)
+                        .setStatus(OrderReturnStatusEnum.APPLICATION_FAIL.getValue())
+        );
+        return CommonResult.success(null);
     }
 }