diff --git a/pages/cart/cart/cart.js b/pages/cart/cart/cart.js
index e1c4b98..808fbe8 100644
--- a/pages/cart/cart/cart.js
+++ b/pages/cart/cart/cart.js
@@ -2057,7 +2057,7 @@ Page({
                                 
                             th.data.sele_g = res.data.data;
                             th.data.sele_g.viplimited = res.data.data.buy_limit;
-                            buylimit = res.data.data.buy_limit;
+                            buylimit = !res.data.data.buy_limit ? 0 : res.data.data.buy_limit;
                         };
                     });
 
@@ -2066,29 +2066,25 @@ Page({
                     }).then(tt => {
                         if (tt.data.code == 0) {
                             th.setData({
-                                promcardbuynum: tt.data.data.promcardbuynum,
+                                promcardbuynum: !th.data.promcardbuynum ? 0 : th.data.promcardbuynum,
                                 cardbuynum: tt.data.data.cardbuynum,
                             });
                         };
                     });
-                    var gd_buy_num = th.data.promcardbuynum;
 
+                    var gd_buy_num = !th.data.promcardbuynum ? 0 : th.data.promcardbuynum;
 
                     if(t.goods_num > redis_num) {
+                        wx.showToast({
+                          title: '超出活动库存',
+						    icon: 'none',
+                        });
                         // 开启限购
                         if (buylimit > 0) { 
-                            wx.showToast({
-                                title: '超出活动限购',
-                                  icon: 'none',
-                              });
                             let num = buylimit - gd_buy_num;
                             if (num > redis_num) {
                                 th.setData({[txt]: redis_num});
                             } else {
-                                wx.showToast({
-                                    title: '超出活动库存',
-                                      icon: 'none',
-                                  });
                                 th.setData({[txt]: num});
                             }
                         } else {