fix(order):修复查询订单时餐食时间过滤的时区问题- 调整日期解析方法为 parseDate 以确保正确处理日期格式- 明确计算一天开始和结束的时间点（…

…北京时间）- 将北京时间转换为 UTC 时间用于设置查询条件
-保持原有的链式调用风格以提高代码可读性

@@ -497,10 +497,18 @@ public class OrderServiceRpcClient {
                 .setShouldFilterClientIds(true).addClientIds(queryOrderDto.getClientId())
                 .setShouldFilterStallIds(true).addAllStallIds(queryOrderDto.getStallIds());
         if (StringUtils.isNotEmpty(queryOrderDto.getMealTime())) {
-            DateTime date = cn.hutool.core.date.DateUtil.parse(queryOrderDto.getMealTime());
-            long startOfDay = cn.hutool.core.date.DateUtil.beginOfDay(date).getTime();
-            long endOfDay = cn.hutool.core.date.DateUtil.endOfDay(date).getTime();
-            request.setShouldFilterMealTimeStart(true).setMealTimeStart(startOfDay).setShouldFilterMealTimeEnd(true).setMealTimeEnd(endOfDay);
+            DateTime mealDate = cn.hutool.core.date.DateUtil.parseDate(queryOrderDto.getMealTime());
+
+            DateTime startOfDayBeijing = cn.hutool.core.date.DateUtil.beginOfDay(mealDate);
+            DateTime endOfDayBeijing = cn.hutool.core.date.DateUtil.endOfDay(mealDate);
+
+            long startTimestamp = cn.hutool.core.date.DateUtil.offsetHour(startOfDayBeijing, 8).getTime();
+            long endTimestamp = cn.hutool.core.date.DateUtil.offsetHour(endOfDayBeijing, 8).getTime();
+
+            request.setShouldFilterMealTimeStart(true)
+                    .setMealTimeStart(startTimestamp)
+                    .setShouldFilterMealTimeEnd(true)
+                    .setMealTimeEnd(endTimestamp);
         }
         return orderServiceRpcBlockingStub.queryClientCustomerOrdersByCondition(request.build());
     }