diff --git a/platformapi/mtwmapi/callback.go b/platformapi/mtwmapi/callback.go
index 30194963..de241125 100644
--- a/platformapi/mtwmapi/callback.go
+++ b/platformapi/mtwmapi/callback.go
@@ -38,10 +38,31 @@ type CallbackResponse struct {
 	Data string `json:"data"`
 }
 
-// !!!特别注意，Data中的数据
+type CallbackSysInfo struct {
+	Timestamp int64  `json:"timestamp"`
+	AppID     string `json:"app_id"`
+	Sig       string `json:"sig"`
+}
+
+// 全额退款没有Food, FoodList, Money项
+type CallbackRefundInfo struct {
+	CallbackSysInfo
+	OrderID    int64  `json:"order_id"`
+	NotifyType string `json:"notify_type"`
+	Reason     string `json:"reason"`
+	ResType    int    `json:"res_type"`
+	IsAppeal   int    `json:"is_appeal"`
+	Pictures   string `json:"pictures"`
+
+	Food     string             `json:"food"`
+	FoodList []*RefundSkuDetail `json:"foodList"`
+	Money    float32            `json:"money"`
+}
+
 type CallbackMsg struct {
-	FormData url.Values
 	Cmd      string
+	FormData url.Values
+	Data     interface{}
 }
 
 var (
@@ -89,6 +110,15 @@ func (a *API) GetCallbackMsg(request *http.Request) (msg *CallbackMsg, callbackR
 					}
 					msg.FormData.Set(k, v.(string))
 				}
+				if msg.Cmd == MsgTypeOrderRefund || msg.Cmd == MsgTypeOrderPartialRefund {
+					var refundData *CallbackRefundInfo
+					if err = utils.Map2StructByJson(data, &refundData, true); err == nil {
+						if refundData.Food != "" {
+							utils.UnmarshalUseNumber([]byte(refundData.Food), &refundData.FoodList)
+						}
+						msg.Data = refundData
+					}
+				}
 			}
 		} else {
 			callbackResponse = SuccessResponse // 美团外卖PING消息没有sign
diff --git a/platformapi/mtwmapi/order.go b/platformapi/mtwmapi/order.go
index 043e2b70..edd7965c 100644
--- a/platformapi/mtwmapi/order.go
+++ b/platformapi/mtwmapi/order.go
@@ -30,6 +30,7 @@ const (
 	WaybillStatusCanceled       = "100" // 配送单已取消
 )
 
+// APP方URL 推送用户或客服取消订单（必接）
 const (
 	CancelReasonAcceptTimeout        = 1001 // 系统取消，超时未确认
 	CancelReasonPayTimeout           = 1002 // 系统取消，在线支付订单15分钟未支付
@@ -43,6 +44,18 @@ const (
 	CancelReasonOther                = 1301 // 其他原因
 )
 
+const (
+	ResTypePending            = 0 // 未处理
+	ResTypeMerchantRefused    = 1 // 商家驳回退款请求
+	ResTypeMerchantAgreed     = 2 // 商家同意退款
+	ResTypeCSRefused          = 3 // 客服驳回退款请求
+	ResTypeCSAgreed           = 4 // 客服帮商家同意退款
+	ResTypeTimeoutAutoAgreed  = 5 // 超过3小时自动同意
+	ResTypeAutoAgreed         = 6 // 系统自动确认
+	ResTypeUserCancelApply    = 7 // 用户取消退款申请
+	ResTypeUserCancelComplain = 8 // 用户取消退款申诉
+)
+
 const (
 	NotifyTypeApply                 = "apply"                 // 发起全款退款
 	NotifyTypePartyApply            = "part"                  // 发起部分退款
@@ -70,12 +83,12 @@ type RefundSku struct {
 type RefundSkuDetail struct {
 	AppFoodCode     string  `json:"app_food_code"`
 	BoxNum          float32 `json:"box_num"`
-	BoxPrice        float32 `json:"box_price"`
+	BoxPrice        float64 `json:"box_price"`
 	Count           int     `json:"count"`
 	FoodName        string  `json:"food_name"`
-	FoodPrice       float32 `json:"food_price"`
-	OriginFoodPrice float32 `json:"origin_food_price"`
-	RefundPrice     float32 `json:"refund_price"`
+	FoodPrice       float64 `json:"food_price"`
+	OriginFoodPrice float64 `json:"origin_food_price"`
+	RefundPrice     float64 `json:"refund_price"`
 	SkuID           string  `json:"sku_id"`
 	Spec            string  `json:"spec"`
 }