diff --git a/bonus-modules/bonus-system/src/main/java/com/bonus/system/att/tasks/AttTasks.java b/bonus-modules/bonus-system/src/main/java/com/bonus/system/att/tasks/AttTasks.java
index e5d0657..e7b5121 100644
--- a/bonus-modules/bonus-system/src/main/java/com/bonus/system/att/tasks/AttTasks.java
+++ b/bonus-modules/bonus-system/src/main/java/com/bonus/system/att/tasks/AttTasks.java
@@ -1090,8 +1090,8 @@ public class AttTasks {
 
         if ("1".equals(attType)) { // 上班打卡
             // 计算时间差
-            // 减 1 原因：返回的是整数，如果是10.9，返回也是10，所以为了判断准确，减掉1
-            long difference = (date2.getTime() - date1.getTime()) / 60000 - 1;
+            // 减 1 原因：30上班，30:59不算迟到，类似于默认可以迟到一分钟
+            double difference = (date2.getTime() - date1.getTime()) / 60000.0 - 1;
             if (difference > 0) {
                 if (difference > absenteeismThreshold) {
                     status = 3; // 旷工
@@ -1101,7 +1101,7 @@ public class AttTasks {
             }
         } else if ("2".equals(attType)) { // 下班打卡
             // 计算时间差
-            long difference = (date2.getTime() - date1.getTime()) / 60000;
+            double difference = (date2.getTime() - date1.getTime()) / 60000.0;
             if (difference < 0) {
                 if (Math.abs(difference) > lateThreshold) {
                     status = 4; // 早退