diff --git a/src/main/java/com/sczx/order/utils/OrderUtil.java b/src/main/java/com/sczx/order/utils/OrderUtil.java
index 0020276..75ea9ad 100644
--- a/src/main/java/com/sczx/order/utils/OrderUtil.java
+++ b/src/main/java/com/sczx/order/utils/OrderUtil.java
@@ -62,7 +62,7 @@ public class OrderUtil {
     public static Integer getOrderOverdueHours(LocalDateTime endRentTime) {
         if(endRentTime!=null){
             LocalDateTime now = LocalDateTime.now();
-            log.info("计算时租逾期小时数，预计还车时间:{}, 当前时间 : {}", endRentTime, now);
+            log.info("计算间隔小时数，预计还车时间:{}, 当前时间 : {}", endRentTime, now);
             if(now.isAfter(endRentTime)){
                 int hours = (int) ChronoUnit.HOURS.between(endRentTime, now);
                 return hours +1;
@@ -79,8 +79,14 @@ public class OrderUtil {
     public static Integer getOrderOverdueDays(LocalDateTime endRentTime) {
         if(endRentTime!=null){
             LocalDateTime now = LocalDateTime.now();
+            log.info("计算间隔天数，预计还车时间:{}, 当前时间 : {}", endRentTime, now);
             if(now.isAfter(endRentTime)){
-                return (int) ChronoUnit.DAYS.between(endRentTime, now);
+                long days = ChronoUnit.DAYS.between(endRentTime, now);
+                // 检查是否有不足一天的余数
+                if (!now.truncatedTo(ChronoUnit.DAYS).equals(endRentTime.plusDays(days).truncatedTo(ChronoUnit.DAYS))) {
+                    return (int) days + 1;
+                }
+                return (int) days;
             }
         }
         return 0;
@@ -113,9 +119,14 @@ public class OrderUtil {
         if(startTime!=null&&endTime!=null){
             if(startTime.isBefore(endTime)){
                 if(StringUtils.equalsIgnoreCase(rentalType, RentCarTypeEnum.HOUR_RENTAL.getCode())){
-                    return (int) ChronoUnit.HOURS.between(startTime, endTime);
+                    return (int) ChronoUnit.HOURS.between(startTime, endTime) +1;
                 } else {
-                    return (int) ChronoUnit.DAYS.between(startTime, endTime);
+                    long days = ChronoUnit.DAYS.between(startTime, endTime) +1;
+                    // 检查是否有不足一天的余数
+                    if (!endTime.truncatedTo(ChronoUnit.DAYS).equals(endTime.plusDays(days).truncatedTo(ChronoUnit.DAYS))) {
+                        return (int) days + 1;
+                    }
+                    return (int) days;
                 }
             }
         }