diff --git a/src/main/java/cn/teammodel/controller/admin/service/impl/AdminIndexDutyServiceImpl.java b/src/main/java/cn/teammodel/controller/admin/service/impl/AdminIndexDutyServiceImpl.java
index 244abc4..0044573 100644
--- a/src/main/java/cn/teammodel/controller/admin/service/impl/AdminIndexDutyServiceImpl.java
+++ b/src/main/java/cn/teammodel/controller/admin/service/impl/AdminIndexDutyServiceImpl.java
@@ -264,7 +264,10 @@ public class AdminIndexDutyServiceImpl implements AdminIndexDutyService {
                     lessonRecordKey, startTime, endTime, subjectId, tmdId, grade, periodId
             );
 
-            for(String classId : teacherDto.getClassIds()) {
+            Set<String> classIds = records.stream().filter(lessonRecord -> lessonRecord.getTmdid().equalsIgnoreCase(teacherDto.getTmdId()))
+                    .flatMap(record -> record.getGroupIds().stream())
+                    .collect(Collectors.toSet());
+            for(String classId : classIds) {
                 Map<String, Object> mapper = new HashMap<>();
                 // 计算本学期互动总数
                 int totalClientInteractionCount = records.stream().filter(lessonRecord ->
diff --git a/src/main/java/cn/teammodel/model/dto/admin/teacher/TeacherDto.java b/src/main/java/cn/teammodel/model/dto/admin/teacher/TeacherDto.java
index 5efc685..88cf4dc 100644
--- a/src/main/java/cn/teammodel/model/dto/admin/teacher/TeacherDto.java
+++ b/src/main/java/cn/teammodel/model/dto/admin/teacher/TeacherDto.java
@@ -27,5 +27,4 @@ public class TeacherDto {
     public String semesterId;
     public List<String> duration = new ArrayList<>();
     public List<String> school_shortcode = new ArrayList<>();
-    private List<String> classIds;
 }