diff --git a/src/main/java/cn/teammodel/controller/admin/service/impl/TeacherServiceImpl.java b/src/main/java/cn/teammodel/controller/admin/service/impl/TeacherServiceImpl.java
index f9fdba8..076a040 100644
--- a/src/main/java/cn/teammodel/controller/admin/service/impl/TeacherServiceImpl.java
+++ b/src/main/java/cn/teammodel/controller/admin/service/impl/TeacherServiceImpl.java
@@ -2587,13 +2587,12 @@ public class TeacherServiceImpl implements TeacherService {
 
         Map<String, Integer> periodCountMap = new HashMap<>();
         for (School.Period period : periods) {
-            for ( School.Subject subject : period.getSubjects()) {
                 for (PtTeacherInfo schoolTeacher : ptTeacherInfos) {
-                    if (schoolTeacher.getSubjectIds().contains(subject.getId())) {
+                    if (schoolTeacher.getPeriodId().equalsIgnoreCase(period.getId())) {
                         periodCountMap.put(period.getId(), periodCountMap.getOrDefault(period.getId(), 0) + 1);
                     }
                 }
-            }
+
         }
         Map<String, String> periodNameMap = new HashMap<>();
         List<String> periodNames = new ArrayList<>();