diff --git a/pages/shop/GoodsCon/index.vue b/pages/shop/GoodsCon/index.vue
index 0f59784..18abeda 100644
--- a/pages/shop/GoodsCon/index.vue
+++ b/pages/shop/GoodsCon/index.vue
@@ -1251,6 +1251,7 @@ export default {
     changeattr(msg) {
       // 修改了规格
       this.attr.cartAttr = msg
+      this.$set(this.attr.productSelect, 'cart_num', 1)
       this.isOpen = false
     },
     // 选择属性