修复一些错误

app/Http/Controllers/Recon/PaymentController.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers\Recon;
 use App\Exceptions\RepositoryException;
 use App\Models\BillModel;
 use App\Models\PaymentModel;
+use App\Models\StoreModel;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
@@ -112,6 +113,19 @@ class PaymentController extends BaseController
                     'paid_operator_id' => $auditorId,
                     'pay_remark' => $methodName . '（支付单号 ' . $payment->payment_no . '）',
                 ]);
+
+                // 按门店累加总采购金额（只统计商品金额，不含配送费/附加金额）
+                foreach ($bills->groupBy('store_id')->sortKeys() as $storeId => $storeBills) {
+                    $amount = '0';
+                    foreach ($storeBills as $storeBill) {
+                        $amount = bcadd($amount, (string) $storeBill->product_amount, 2);
+                    }
+                    $store = StoreModel::query()->lockForUpdate()->find((int) $storeId);
+                    if ($store !== null) {
+                        $store->total_purchase_amount = bcadd((string) $store->total_purchase_amount, $amount, 2);
+                        $store->save();
+                    }
+                }
                 $payment->status = PaymentModel::STATUS_APPROVED;
             } else {
                 // 拒绝：释放账单，门店可重新发起付款