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 5c38bd9..3ee6bc4 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseYearTermService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseYearTermService.java
@@ -62,10 +62,12 @@ public class BaseYearTermService implements IBaseYearTermService {
     public BaseYearTerm getNowYearTerm() {
         Date now = new Date();
         List<BaseYearTerm> yearTermList = getAllYearTerm();
+        // 当前学期开始时间 <= now < 下一学期开始时间：按开始时间倒序后，取第一个已开始（开始时间<=now）的学期
         return yearTermList.stream()
-                .filter(s -> s.getYearStartDate().compareTo(now) <= 0 && s.getYearEndDate().compareTo(now) >= 0)
-                .findFirst().orElse(null);
-              //  .orElseThrow(() -> new DException("获取学年失败，当前时间不在当学年时间范围"));
+                .sorted(Comparator.comparing(BaseYearTerm::getYearStartDate).reversed())
+                .filter(s -> s.getYearStartDate().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"));
     }