diff --git a/components/ProductWindow.vue b/components/ProductWindow.vue
index 827cc93..fd3747e 100644
--- a/components/ProductWindow.vue
+++ b/components/ProductWindow.vue
@@ -197,6 +197,7 @@ export default {
         }
       })
       const value = this.getCheckedValue().sort().join(",")
+      this.cartNumber = 1
       this.$emit("changeFun", {
         action: "ChangeAttr",
         value: {