diff --git a/app/api/logic/CartLogic.php b/app/api/logic/CartLogic.php
index fe8e7aa..052c4fc 100644
--- a/app/api/logic/CartLogic.php
+++ b/app/api/logic/CartLogic.php
@@ -139,7 +139,7 @@ class CartLogic
         $field = 'g.name,g.image,g.id as goods_id,g.status as g_status,g.del as g_del,
         i.spec_value_str,i.price,i.image as item_image,c.goods_num,c.selected,c.id as cart_id,c.item_id,i.stock as item_stock';
 
-        $carts = Db::name('cart c')
+        $carts = Db::name('cart')->alias('c')
             ->field($field)
             ->join('goods g', 'g.id = c.goods_id')
             ->join('goods_item i', 'i.id = c.item_id')