diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseYearTermService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseYearTermService.java
index 32a3741..5a46678 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseYearTermService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseYearTermService.java
@@ -62,15 +62,14 @@ public class BaseYearTermService implements IBaseYearTermService {
     public BaseYearTerm getNowYearTerm() {
         Date now = new Date();
         List<BaseYearTerm> yearTermList = getAllYearTerm();
-        // 升学以 upgradeDate 当天 06:00:00 为界：6点之前算上学期（当前 active 学年），6点（含）之后算新学期
-        // 取 upgradeDate@06:00 倒序后第一个 boundary <= now 的学年（即 now 落在该学年 [上学年边界, 本学年边界) 区间内）
+        // 上学期升学日期@06:00 <= now < 本学期升学日期@06:00：取 upgradeDate@06:00 升序后第一个严格大于 now 的学年
         return yearTermList.stream()
                 .sorted(Comparator.comparing(
                         (BaseYearTerm s) -> toUpgradeBoundary(s.getUpgradeDate()),
                         Comparator.nullsLast(Comparator.naturalOrder())))
                 .filter(s -> {
                     Date boundary = toUpgradeBoundary(s.getUpgradeDate());
-                    return boundary != null && boundary.compareTo(now) <= 0;
+                    return boundary != null && boundary.compareTo(now) > 0;
                 })
                 .findFirst()
                 .orElseThrow(() -> new DException("获取学年失败，当前时间不在当学年时间范围"));