diff --git a/beike/Repositories/CartRepo.php b/beike/Repositories/CartRepo.php
new file mode 100644
index 00000000..966d2139
--- /dev/null
+++ b/beike/Repositories/CartRepo.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * CartRepo.php
+ *
+ * @copyright  2022 opencart.cn - All Rights Reserved
+ * @link       http://www.guangdawangluo.com
+ * @author     Edward Yang <yangjin@opencart.cn>
+ * @created    2022-07-04 17:14:14
+ * @modified   2022-07-04 17:14:14
+ */
+
+namespace Beike\Repositories;
+
+use Beike\Models\Cart;
+
+class CartRepo
+{
+    public static function createCart(int $customerId)
+    {
+        $cart = Cart::query()->where('customer_id', $customerId)->first();
+        if (empty($cart)) {
+            $cart = Cart::query()->create([
+                'customer_id' => $customerId,
+                'shipping_address_id' => 0,
+                'shipping_method_code' => '',
+                'payment_address_id' => 0,
+                'payment_method_code' => ''
+            ]);
+        }
+        return $cart;
+    }
+}
diff --git a/beike/Shop/Services/CheckoutService.php b/beike/Shop/Services/CheckoutService.php
index 5148528c..3eaf846a 100644
--- a/beike/Shop/Services/CheckoutService.php
+++ b/beike/Shop/Services/CheckoutService.php
@@ -13,6 +13,7 @@ namespace Beike\Shop\Services;
 
 use Beike\Models\Cart;
 use Beike\Models\Customer;
+use Beike\Repositories\CartRepo;
 use Beike\Repositories\PluginRepo;
 use Beike\Repositories\AddressRepo;
 use Beike\Repositories\CountryRepo;
@@ -29,12 +30,10 @@ class CheckoutService
         if (is_int($customer) || empty($customer)) {
             $this->customer = current_customer();
         }
-        if (empty($this->customer) && !($this->customer instanceof Customer)) {
+        if (empty($this->customer) || !($this->customer instanceof Customer)) {
             throw new \Exception("购物车客户无效");
         }
-        $this->cart = Cart::query()
-            ->where('customer_id', $customer->id)
-            ->firstOrCreate();
+        $this->cart = CartRepo::createCart($this->customer->id);
     }
 
     /**
diff --git a/database/migrations/2022_07_04_065314_add_cart_item_orders.php b/database/migrations/2022_07_04_065314_add_cart_item_orders.php
index 2c1a4ef0..758a1c1d 100644
--- a/database/migrations/2022_07_04_065314_add_cart_item_orders.php
+++ b/database/migrations/2022_07_04_065314_add_cart_item_orders.php
@@ -19,9 +19,9 @@ class AddCartItemOrders extends Migration
             $table->id();
             $table->integer('customer_id');
             $table->integer('shipping_address_id');
-            $table->integer('shipping_method_code');
+            $table->string('shipping_method_code');
             $table->integer('payment_address_id');
-            $table->integer('payment_method_code');
+            $table->string('payment_method_code');
             $table->timestamps();
         });