diff --git a/lib/local_wechat/api.go b/lib/local_wechat/api.go
index 54a95f1..3d34067 100644
--- a/lib/local_wechat/api.go
+++ b/lib/local_wechat/api.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"github.com/iGoogle-ink/gopay"
 	"github.com/iGoogle-ink/gopay/pkg/util"
+	"github.com/iGoogle-ink/gopay/pkg/xlog"
 	"github.com/iGoogle-ink/gopay/wechat"
 	v3 "github.com/iGoogle-ink/gopay/wechat/v3"
 	"strconv"
@@ -44,6 +45,27 @@ func NewClient(appId, mchId, apiKey string, isProd bool) *wechat.Client {
 	//client.AddCertFileContent()
 	return client
 }
+func TradeAppRefund(client *wechat.Client, subject, transactionId, outRefundNo, totalFee, amount, p12Path, notifyUrl string) (*wechat.RefundResponse, gopay.BodyMap, error) {
+	// 初始化 BodyMap
+	bm := make(gopay.BodyMap)
+	bm.Set("transaction_id", transactionId).
+		Set("nonce_str", util.GetRandomString(32)).
+		Set("sign_type", wechat.SignType_MD5).
+		Set("out_refund_no", outRefundNo).
+		Set("total_fee", int(zhios_pay_utils.StrToFloat64(totalFee)*100)).
+		Set("refund_fee", int(zhios_pay_utils.StrToFloat64(amount)*100)).
+		Set("refund_desc", subject).
+		Set("notify_url", notifyUrl)
+	wxRsp, resBm, err := client.Refund(bm, nil, nil, p12Path)
+	fmt.Println(wxRsp)
+	fmt.Println(resBm)
+	if err != nil {
+		xlog.Error(err)
+		fmt.Println(err)
+		return wxRsp, resBm, err
+	}
+	return wxRsp, resBm, nil
+}
 
 // TradeAppPay is 微信APP支付
 func TradeAppPay(client *wechat.Client, subject, orderID, amount, notifyUrl string) (map[string]string, error) {
diff --git a/pay/pay_by_own.go b/pay/pay_by_own.go
index 7d7b391..4c871bb 100644
--- a/pay/pay_by_own.go
+++ b/pay/pay_by_own.go
@@ -6,6 +6,8 @@ import (
 	"code.fnuoos.com/go_rely_warehouse/zyos_go_pay.git/md"
 	zhios_pay_utils "code.fnuoos.com/go_rely_warehouse/zyos_go_pay.git/utils"
 	"fmt"
+	"github.com/iGoogle-ink/gopay"
+	"github.com/iGoogle-ink/gopay/wechat"
 	"github.com/pkg/errors"
 )
 
@@ -133,3 +135,9 @@ func WxAppJSAPIPay(params map[string]string) (map[string]string, error) {
 	r, err := local_wxpay.TradeJSAPIPay(client, params["subject"], params["ord_id"], params["amount"], params["notify_url"], params["third_party_wechat_openid"])
 	return r, err
 }
+
+func WxAppRefund(params map[string]string) (*wechat.RefundResponse, gopay.BodyMap, error) {
+	client := local_wxpay.NewClient(params["pay_wx_appid"], params["pay_wx_mch_id"], params["pay_wx_api_key"], true)
+	r, r1, err := local_wxpay.TradeAppRefund(client, params["subject"], params["transaction_id"], params["out_refund_no"], params["total_fee"], params["amount"], params["p12_str"], params["notify_url"])
+	return r, r1, err
+}