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 eb10ac1..afb7fce 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
@@ -818,7 +818,7 @@ public class TeacherServiceImpl implements TeacherService {
             Map<String, Long> gradeCount = new HashMap<>();
             Map<String, Long> degreeCount = new HashMap<>();
             Map<String, Long> subjectCount = new HashMap<>();
-            Map<String, Long> teachingAgeCount = new HashMap<>();
+            Map<String, Long> teachingAgeCount = new LinkedHashMap<>();
             teachingAgeCount.put("0-5年", 0L);
             teachingAgeCount.put("5-10年", 0L);
             teachingAgeCount.put("10-15年", 0L);