diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseApi.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseApi.java
index fed78891..6af4db37 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyCourseApi.java
@@ -230,6 +230,8 @@ public class StudyCourseApi extends ApiBaseController{
                     userInfoMap.put(user.getAid(), user);
                 }
             }
+            // 按报名时间倒序排序
+            signRecordList.sort(Comparator.comparing(StudySignup::getSignTime).reversed());
             // 4. 原始数据→导出DTO（格式化处理：状态转中文、日期转字符串等）
             List<CourseSignDto> exportDtoList = new ArrayList<>();
             if (signRecordList != null) {