de: true,
        }).then((flag) => {
                if (flag) {
                    $.ajax({
                        type: "DELETE",
                        url: "coupon/" + couponUserId,
                        contentType: "application/json",
                        success: function (r) {
                            if (r.resultCode == 200) {
                                location.reload();
                            } else {
                                swal(r.message, {
                        