refactor(order): 优化订单发货服务中的映射构建逻辑

ruoyi-modules/ruoyi-order/src/main/java/org/dromara/order/service/impl/OrderDeliverServiceImpl.java

@@ -343,21 +343,10 @@ public class OrderDeliverServiceImpl extends ServiceImpl<OrderDeliverMapper, Ord
             .map(OrderMain::getId)
             .collect(Collectors.toList());
 
-        // 构建 orderId -> totalAmount 映射
-        Map<Long, BigDecimal> orderIdToAmountMap = orderMainList.stream()
-            .collect(Collectors.toMap(
-                OrderMain::getId,
-                OrderMain::getTotalAmount,
-                (v1, v2) -> v1
-            ));
-
-        // 构建 orderId -> orderTime 映射
-        Map<Long, Date> orderIdToorderTimeMap = orderMainList.stream()
-            .collect(Collectors.toMap(
-                OrderMain::getId,
-                OrderMain::getOrderTime,
-                (v1, v2) -> v1
-            ));
+        Map<Long, Date> orderIdToorderTimeMap = new HashMap<>();
+        for (OrderMain order : orderMainList) {
+            orderIdToorderTimeMap.put(order.getId(), order.getOrderTime());
+        }
 
         Set<Long> createUserIds = orderMainList.stream().map(OrderMain::getCreateBy).collect(Collectors.toSet());
         Set<Long> createDeptIds = orderMainList.stream().map(OrderMain::getCreateDept).collect(Collectors.toSet());