diff --git a/app/api/validate/CartValidate.php b/app/api/validate/CartValidate.php
index b46443e..bd80333 100644
--- a/app/api/validate/CartValidate.php
+++ b/app/api/validate/CartValidate.php
@@ -76,7 +76,7 @@ class CartValidate extends Validate
 
     protected function checkGoods($value, $rule, $data)
     {
-        $goods = Db::name('goods g')
+        $goods = Db::name('goods')->alias('g')
             ->field('g.status')
             ->join('goods_item i', 'i.goods_id = g.id')
             ->where(['i.id' => $value, 'g.del' => 0])