diff --git a/pages/shop/GoodsCon/index.vue b/pages/shop/GoodsCon/index.vue
index 67be1fd..5227a94 100644
--- a/pages/shop/GoodsCon/index.vue
+++ b/pages/shop/GoodsCon/index.vue
@@ -1174,11 +1174,21 @@ export default {
       if (changeValue) {
         num.cart_num++;
         if (num.cart_num > stock) {
-          this.$set(this.attr.productSelect, "cart_num", stock);
-          this.$set(this, "cart_num", stock);
+          if(stock < 1) {
+            this.$set(this.attr.productSelect, "cart_num", 1);
+            this.$set(this, "cart_num", 1);
+          } else {
+            this.$set(this.attr.productSelect, "cart_num", stock);
+            this.$set(this, "cart_num", stock);
+          }
         } else {
-          this.$set(this.attr.productSelect, "cart_num", num.cart_num);
-          this.$set(this, "cart_num", num.cart_num);
+          if (num.cart_num < 1) {
+            this.$set(this.attr.productSelect, "cart_num", 1);
+            this.$set(this, "cart_num", 1);
+          } else {
+            this.$set(this.attr.productSelect, "cart_num", num.cart_num);
+            this.$set(this, "cart_num", num.cart_num);
+          }
         }
       } else {
         num.cart_num--;