diff --git a/app/Models/Order.php b/app/Models/Order.php
index d5da4455..3d6100ee 100644
--- a/app/Models/Order.php
+++ b/app/Models/Order.php
@@ -213,6 +213,27 @@ class Order extends Model
         return $this->status === static::STATUS_CANCELLED;
     }
 
+    /**
+     * 将订单标记为已完成
+     *
+     * @return void
+     */
+    public function markAsCompleted()
+    {
+        // 加载订单商品
+        $this->loadMissing('products');
+
+        foreach ($this->products->loadMissing(['spu', 'sku']) as $product) {
+            $product->spu?->increment('sales', $product->quantity);
+            $product->sku?->increment('sales', $product->quantity);
+        }
+
+        $this->update([
+            'status' => static::STATUS_COMPLETED,
+            'completed_at' => now(),
+        ]);
+    }
+
     /**
      * 获取订单券优惠金额
      *
diff --git a/app/Models/OrderProduct.php b/app/Models/OrderProduct.php
index f159e828..8328b693 100644
--- a/app/Models/OrderProduct.php
+++ b/app/Models/OrderProduct.php
@@ -58,6 +58,15 @@ class OrderProduct extends Model
         return $this->belongsToMany(OrderPackage::class, 'order_package_products', 'order_product_id', 'order_package_id');
     }
 
+    /**
+     * 此订单商品所属的SPU
+     *
+     */
+    public function spu()
+    {
+        return $this->belongsTo(ProductSpu::class, 'spu_id');
+    }
+
     /**
      * 此订单商品所属的SKU
      *
diff --git a/app/Services/OrderPackageService.php b/app/Services/OrderPackageService.php
index 22e8c051..c42e644e 100644
--- a/app/Services/OrderPackageService.php
+++ b/app/Services/OrderPackageService.php
@@ -3,7 +3,6 @@
 namespace App\Services;
 
 use App\Exceptions\OrderPackageAlreadyCheckedException;
-use App\Models\Order;
 use App\Models\OrderPackage;
 use Illuminate\Support\Carbon;
 
@@ -40,11 +39,7 @@ class OrderPackageService
             return;
         }
 
-        // 自动完成订单
-        $package->order->update([
-            'status' => Order::STATUS_COMPLETED,
-            'completed_at' => now(),
-        ]);
+        $package->order->markAsCompleted();
     }
 
     /**
diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 61d278f3..ea619b13 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -633,22 +633,16 @@ class OrderService
             throw new BizException('订单包裹未发完');
         }
 
-        $time = now();
-
         $orderPackageService = new OrderPackageService();
 
         // 获取订单的未作废未签收包裹
         $packages = $order->packages()->unchecked()->where('is_failed', false)->get();
 
         foreach ($packages as $package) {
-            $orderPackageService->checkPackage($package, true, $time);
+            $orderPackageService->checkPackage($package, true);
         }
 
-        // 将订单标记为已完成
-        $order->update([
-            'status' => Order::STATUS_COMPLETED,
-            'completed_at' => $time,
-        ]);
+        $order->markAsCompleted();
     }
 
     /**