diff --git a/components/ProductWindow.vue b/components/ProductWindow.vue
index 8e53443..2bb0b9b 100644
--- a/components/ProductWindow.vue
+++ b/components/ProductWindow.vue
@@ -138,7 +138,10 @@ export default {
       deep: true
     },
     cartNumber(val) {
-      console.log(+val <= 1 || val === '', 'cartNumber');
+      console.log(this.attr, 'cartNumber');
+      if (val > this.attrObj.productSelect.stock) {
+        val = this.attrObj.productSelect.stock
+      }
       this.$emit('input', +val)
       this.$emit("changeFun", { action: "ChangeCartNum", value: +val })
     }
@@ -154,6 +157,10 @@ export default {
         this.cartNumber = 1
         this.$forceUpdate()
       }
+      if(+e > this.attrObj.productSelect.stock) {
+        this.cartNumber = this.attrObj.productSelect.stock
+        this.$forceUpdate()
+      }
     },
     reRender(data) {
       this.$set(this, 'attrObj', JSON.parse(JSON.stringify(data)))