fix(order): 缩短订单创建防重提交锁的有效时间

- 将 Redis 锁的过期时间从 30 秒调整为 15 秒
- 防止长时间锁定导致用户无法重新提交订单
- 优化并发场景下的用户体验

app/controller/api/store/order/StoreGroupOrder.php

@@ -58,7 +58,7 @@ class StoreGroupOrder extends BaseController
         $redisHandler = Cache::store('redis')->handler();
         $cartIdList = $storeOrderCreateRequestEntity->getCartIdList();
         sort($cartIdList);
-        $isSet = $redisHandler->set('createStoreGroupOrder' . '-' . implode('-', $cartIdList), 1, ['nx', 'ex' => 30]);
+        $isSet = $redisHandler->set('createStoreGroupOrder' . '-' . implode('-', $cartIdList), 1, ['nx', 'ex' => 15]);
         if (!$isSet) {
             return app('json')->fail('请勿重复下单');
         }