diff --git a/unify/pay.go b/unify/pay.go
index 2ab8219..1f6756b 100644
--- a/unify/pay.go
+++ b/unify/pay.go
@@ -151,7 +151,7 @@ func (p *Pay) GetPartnerOrder(outTradeNo string) (map[string]interface{}, error)
 	return rsp.Data, nil
 }
 
-func (p *Pay) RefundOrder(req *RefundPartnerOrderReq) error {
+func (p *Pay) RefundOrder(req *RefundOrderReq) error {
 	if req.OutTradeNo == "" {
 		errors.New("outTradeNo is nil")
 	}
@@ -175,12 +175,12 @@ func (p *Pay) RefundOrder(req *RefundPartnerOrderReq) error {
 	return nil
 }
 
-func (p *Pay) RefundPartnerOrder(outTradeNo, reason string) error {
-	if outTradeNo == "" {
+func (p *Pay) RefundPartnerOrder(req *RefundOrderReq) error {
+	if req.OutTradeNo == "" {
 		errors.New("outTradeNo is nil")
 	}
 
-	reqUrl := fmt.Sprintf("%s/api/pay/partner/order?outTradeNo=%s&reason=%s", p.address, outTradeNo, reason)
+	reqUrl := fmt.Sprintf("%s/api/pay/partner/order?outTradeNo=%s&reason=%s&refundFee=%d", p.address, req.OutTradeNo, req.Reason, req.RefundFee)
 	result, err := util.HttpDelete(reqUrl, map[string]string{
 		"x-token": p.token,
 	})
diff --git a/unify/pay_type.go b/unify/pay_type.go
index a19af6d..ee30a33 100644
--- a/unify/pay_type.go
+++ b/unify/pay_type.go
@@ -44,7 +44,7 @@ type CreatePartnerOrderReq struct {
 	Extra      interface{} `json:"extra"`
 }
 
-type RefundPartnerOrderReq struct {
+type RefundOrderReq struct {
 	OutTradeNo string `json:"outTradeNo"`
 	Reason     string `json:"reason,omitempty"`
 	RefundFee  int64  `json:"refundFee,omitempty"`