diff --git a/beike/Shop/Http/Controllers/CheckoutController.php b/beike/Shop/Http/Controllers/CheckoutController.php
index c7ec3139..4922da56 100644
--- a/beike/Shop/Http/Controllers/CheckoutController.php
+++ b/beike/Shop/Http/Controllers/CheckoutController.php
@@ -21,4 +21,11 @@ class CheckoutController extends Controller
         $data = CheckoutService::checkoutData();
         return view('checkout', $data);
     }
+
+    public function update(Request $request)
+    {
+        $requestData = $request->all();
+        $data = CheckoutService::update($requestData);
+        return view('checkout', $data);
+    }
 }
diff --git a/beike/Shop/Routes/shop.php b/beike/Shop/Routes/shop.php
index 44c06df1..b5a4afb4 100644
--- a/beike/Shop/Routes/shop.php
+++ b/beike/Shop/Routes/shop.php
@@ -29,6 +29,7 @@ Route::prefix('/')
         Route::delete('carts/{cart}', [CartController::class, 'destroy'])->name('carts.destroy');
 
         Route::get('checkout', [CheckoutController::class, 'index'])->name('checkout.index');
+        Route::put('checkout', [CheckoutController::class, 'update'])->name('checkout.update');
 
         Route::get('categories', [CategoryController::class, 'index'])->name('categories.index');
         Route::get('categories/{category}', [CategoryController::class, 'show'])->name('categories.show');
diff --git a/beike/Shop/Services/CheckoutService.php b/beike/Shop/Services/CheckoutService.php
index 169f67bc..31b298d2 100644
--- a/beike/Shop/Services/CheckoutService.php
+++ b/beike/Shop/Services/CheckoutService.php
@@ -20,6 +20,11 @@ use Beike\Shop\Http\Resources\Checkout\ShippingMethodItem;
 
 class CheckoutService
 {
+    /**
+     * 获取结账页数据
+     *
+     * @return array
+     */
     public static function checkoutData(): array
     {
         $customer = current_customer();
@@ -48,4 +53,51 @@ class CheckoutService
         ];
         return $data;
     }
+
+    /**
+     * 更新结账页数据
+     *
+     * @param $requestData ['shipping_address_id'=>1, 'payment_address_id'=>2, 'shipping_method'=>'code', 'payment_method'=>'code']
+     * @return array
+     */
+    public static function update($requestData): array
+    {
+        $shippingAddressId = $requestData['shipping_address_id'] ?? 0;
+        $paymentAddressId = $requestData['payment_address_id'] ?? 0;
+        $shippingMethod = $requestData['shipping_method'] ?? '';
+        $paymentMethod = $requestData['payment_method'] ?? '';
+        if ($shippingAddressId) {
+            self::updateShippingAddressId($shippingAddressId);
+        }
+        if ($paymentAddressId) {
+            self::updatePaymentAddressId($shippingAddressId);
+        }
+        if ($shippingMethod) {
+            self::updateShippingMethod($shippingMethod);
+        }
+        if ($paymentMethod) {
+            self::updatePaymentMethod($paymentMethod);
+        }
+        return self::checkoutData();
+    }
+
+    private static function updateShippingAddressId($shippingAddressId)
+    {
+
+    }
+
+    private static function updatePaymentAddressId($shippingAddressId)
+    {
+
+    }
+
+    private static function updateShippingMethod($shippingAddressId)
+    {
+
+    }
+
+    private static function updatePaymentMethod($paymentMethod)
+    {
+
+    }
 }