fix(service): 修复订单创建时的时区问题

@@ -57,6 +57,9 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -98,8 +101,11 @@ public class OrderServiceImpl implements OrderService {
         createOrderDto.setCustomerId(operatorCreateOrderDto.getCustomerId());
         createOrderDto.setStallId(operatorCreateOrderDto.getStallId());
         createOrderDto.setMenuId(operatorCreateOrderDto.getMenuId());
-        final var mealTime = operatorCreateOrderDto.getMealTime().toLocalDate().atStartOfDay();
-        createOrderDto.setMealTime(mealTime);
+        LocalDateTime utcLocalDateTime = operatorCreateOrderDto.getMealTime();
+        ZonedDateTime utcZoned = utcLocalDateTime.atZone(ZoneOffset.UTC);
+        ZonedDateTime beijingZoned = utcZoned.withZoneSameInstant(DateUtil.CHINA_ZONE);
+        LocalDateTime mealTimeBeijingStart = beijingZoned.toLocalDate().atStartOfDay();
+        createOrderDto.setMealTime(mealTimeBeijingStart);
         createOrderDto.setRemark(operatorCreateOrderDto.getRemark());
         createOrderDto.setCreatedBy(operatorLoginInfo.getId());
         createOrderDto.setClientId(operator.getClientId());