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 d5d529c..826882b 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
@@ -257,6 +257,7 @@ public class TeacherServiceImpl implements TeacherService {
         TeacherGradeVo teacher = new TeacherGradeVo();
         teacher.setName((String) map.get("name"));
         teacher.setId((String) map.get("tmdId"));
+        teacher.setPeriodId((String) map.get("periodId"));
         // 处理 grade 字段
         List<Map<String, Object>> gradeList = (List<Map<String, Object>>) map.get("grade");
         if (gradeList != null) {
@@ -548,6 +549,9 @@ public class TeacherServiceImpl implements TeacherService {
                 }
                 for (TeacherGradeVo grade : gradeList) {
                     if(teacher.getId().equals(grade.getId())) {
+                        if(StringUtils.isNotEmpty(grade.getPeriodId())) {
+                            teacher.setPeriodId(grade.getPeriodId());
+                        }
                         List<TeacherGradeVo.IdAndName> grades = grade.getGrade();
                         for (TeacherGradeVo.IdAndName gg : grades) {
                             String id = String.valueOf(teacherDto.year - gg.getGrade());
@@ -561,6 +565,9 @@ public class TeacherServiceImpl implements TeacherService {
                 }
             }
 
+            teachersList = teachersList.stream()
+                    .filter(teacher -> teacherDto.periodId.equals(teacher.getPeriodId()))
+                    .collect(Collectors.toList());
             Map<String, Long> gradeCount = new HashMap<>();
             Map<String, Long> degreeCount = new HashMap<>();
             Map<String, Long> subjectCount = new HashMap<>();
diff --git a/src/main/java/cn/teammodel/model/vo/admin/GpTeacherVo.java b/src/main/java/cn/teammodel/model/vo/admin/GpTeacherVo.java
index 526c5ee..efd5d6b 100644
--- a/src/main/java/cn/teammodel/model/vo/admin/GpTeacherVo.java
+++ b/src/main/java/cn/teammodel/model/vo/admin/GpTeacherVo.java
@@ -22,6 +22,7 @@ public class GpTeacherVo {
     public Long practiceTime ;
     public String gender ;
     public List<String> grade;
+    public String periodId ;
     @Data
     public static class IdNameCode{
         public String id ;
diff --git a/src/main/java/cn/teammodel/model/vo/admin/TeacherGradeVo.java b/src/main/java/cn/teammodel/model/vo/admin/TeacherGradeVo.java
index cf279c9..6efb10e 100644
--- a/src/main/java/cn/teammodel/model/vo/admin/TeacherGradeVo.java
+++ b/src/main/java/cn/teammodel/model/vo/admin/TeacherGradeVo.java
@@ -9,6 +9,7 @@ public class TeacherGradeVo {
     private List<IdAndName> grade;
     private String id;
     private String name;
+    private String periodId;
     @Data
     public static class IdAndName{
         public Integer grade;