diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseTask.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseTask.java
index 5a344186..9236c855 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseTask.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseTask.java
@@ -10,6 +10,8 @@ import org.springframework.data.redis.core.ScanOptions;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Component;
 
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.Objects;
 import java.util.concurrent.TimeUnit;
 
@@ -33,7 +35,7 @@ public class StudyCourseTask {
     public void saveStudyCourseItemLastTime() {
         // 1. 定义匹配模式（匹配所有目标key）
         final String KEY_PATTERN = "studyContentId:*:last_active";
-
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss");
         // 2. 使用SCAN安全遍历（避免阻塞）
         ScanOptions options = ScanOptions.scanOptions()
             .match(KEY_PATTERN)
@@ -59,12 +61,17 @@ public class StudyCourseTask {
                         String studyContentId = parts[1];
 
                         // 7. 获取存储的时间点（示例逻辑）
-                        String lastStudyTimeStr = redisTemplate.opsForValue().get(redisKey);
-                        if (lastStudyTimeStr == null) continue;
-                        int lastStudyTime = Integer.parseInt(lastStudyTimeStr);
+                        String redisValue = redisTemplate.opsForValue().get(redisKey);
+                        if (redisValue == null) continue;
+                        String[] partValues = redisValue.split("&");
+                        int lastStudyTime = Integer.parseInt(partValues[0]);
+                        LocalDateTime timestamp = null;
+                        if (partValues.length >= 2){
+                            timestamp = LocalDateTime.parse(partValues[1], formatter);
+                        }
 
                         // 8. 更新数据库（调用已有服务方法）
-                        studyService.updateStudyCourseItemLastTime(studyContentId, lastStudyTime, "system_job");
+                        studyService.updateStudyCourseItemLastTime(studyContentId, lastStudyTime, timestamp);
 
                         // 9. 删除Redis键（原子操作）
                         redisTemplate.delete(redisKey);
diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/IStudyService.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/IStudyService.java
index 043e7efa..5dcce229 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/IStudyService.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/IStudyService.java
@@ -1,5 +1,6 @@
 package com.xboe.school.study.service;
 
+import java.time.LocalDateTime;
 import java.util.List;
 import java.util.Map;
 
@@ -99,5 +100,5 @@ public interface IStudyService {
 
     List<StudyCourseItem> getList(String courseId, String contentId, String name, Integer status);
 
-	void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime, String systemJob);
+	void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime, LocalDateTime timestamp);
 }
diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
index 3abe0b9d..39aadb6b 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
@@ -330,19 +330,25 @@ public class StudyServiceImpl implements IStudyService{
 	// 更新 前端传输已学习时长
 	@Override
 	public void updateLastTime(String studyContentId, int lastStudyTime,String aid) {
+		LocalDateTime now = LocalDateTime.now();
+		DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss");
+		String value = lastStudyTime + "&" + now.format(formatter); // 使用ISO8601时间格式
+		log.info("-study-video-time-----value = " + value);
 		// 20250303 优化 多次更新改一次更新
 		// 更新Redis中的最后活跃时间（带30秒过期）
 		redisTemplate.opsForValue().set(
 				"studyContentId:" + studyContentId + ":last_active",
-                String.valueOf(lastStudyTime),
+				value,
 				Duration.ofSeconds(2592000)
 		);
+		log.info("-study-video-time-redis保存---value = " + value);
 //		Duration.ofDays(30)  也就是 2592000秒
 	}
 
 	@Override
 	@Transactional
-	public void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime,String aid) {
+	public void updateStudyCourseItemLastTime(String studyContentId, int lastStudyTime,LocalDateTime timestamp) {
+		log.info("-study-video-time-定时---studyContentId = " + studyContentId + ",lastStudyTime = " + lastStudyTime + ", timestamp = " + timestamp);
 		// 更新最后的学习时间点
 		LocalDateTime now=LocalDateTime.now();
 		UpdateBuilder update=UpdateBuilder.from(StudyCourseItem.class);
@@ -350,8 +356,9 @@ public class StudyServiceImpl implements IStudyService{
 		//只记录时间长的时候的处理
 		update.addFilter(FieldFilters.lt("lastStudyTime", lastStudyTime));
 		update.addUpdateField("lastStudyTime", lastStudyTime);
-		update.addUpdateField("lastTime", now);
+		update.addUpdateField("lastTime", timestamp==null ? now : timestamp);
 		scItemDao.update(update.builder());
+		log.info("-study-video-time-mysql保存---studyContentId = " + studyContentId);
 	}
 
 	@Override