fix(order): 修复订单状态检查逻辑

- 将订单状态条件从 5 改为 0
- 保持商户ID过滤功能不变
- 确保删除标记和支付状态检查正常工作

app/common/repositories/store/order/StoreOrderRepository.php

@@ -4914,7 +4914,7 @@ class StoreOrderRepository extends BaseRepository
      */
     public function merStatusExists(int $id, ?int $merId)
     {
-        $where = ['order_id' => $id, 'is_del' => 0, 'paid' => 0, 'status' => 5];
+        $where = ['order_id' => $id, 'is_del' => 0, 'paid' => 0, 'status' => 0];
         if ($merId) $where['mer_id'] = $merId;
         return $this->dao->merFieldExists($where);
     }