diff --git a/pages/cart/cart/cart.js b/pages/cart/cart/cart.js
index 2748cbb..6751379 100644
--- a/pages/cart/cart/cart.js
+++ b/pages/cart/cart/cart.js
@@ -2077,7 +2077,9 @@ Page({
                             wx.showModal({
                                     title: '超出活动限购',
                             });
-                            th.setData({[txt]: buylimit});
+                            let num = buylimit - gd_buy_num;
+					        if (num <= 0) num = 1;
+                            th.setData({[txt]: num});
                             return false;
                         };
                         
@@ -2085,7 +2087,7 @@ Page({
 
                     if(t.goods_num > redis_num) {
                         wx.showModal({
-                            title: '超出活动库存2',
+                            title: '超出活动库存',
                         });
                         th.setData({[txt]: redis_num});
                         return false;