diff --git a/packageE/pages/cart/cart_wk/cart_wk.js b/packageE/pages/cart/cart_wk/cart_wk.js
index ae84794..d8ffa7c 100644
--- a/packageE/pages/cart/cart_wk/cart_wk.js
+++ b/packageE/pages/cart/cart_wk/cart_wk.js
@@ -338,6 +338,10 @@ Page({
           }
       })
 
+     //-- 之前用的券要清理掉，从头选 --
+     if(order.coupon_no){
+        await getApp().request.promiseDelete('/api/weshop/users/frozenQuan/del/'+order.user_id+'/'+order.coupon_no)
+     }
 
       if(act_set.is_order_yh){
           th.data.bn_is_order_yh=1;
diff --git a/utils/request.js b/utils/request.js
index 725e590..b4e3bbb 100644
--- a/utils/request.js
+++ b/utils/request.js
@@ -270,16 +270,17 @@ module.exports = {
   //---promise的使用delete----
   promiseDelete: function (url, data) {
     var th = this;
+    if(!data) data={};
     if (url.indexOf("http") == -1) url = getApp().globalData.setting.url + url;
     return new Promise((resolve, reject) => {
-      data.isShowLoading && th.showLoading();
+      data && data.isShowLoading && th.showLoading();
       wx.request({
         url,
         method: 'DELETE',
         header: { "content-type": "application/x-www-form-urlencoded" },
         data: data.data,
         success(res) {
-          data.isShowLoading && th.hideLoading();
+          data && data.isShowLoading && th.hideLoading();
           resolve(res);
         },
         fail(err) { data.isShowLoading && th.hideLoading(); reject(err); }