diff --git a/src/main/java/com/yunhai/bschclassmanage/controller/api/SchsystemController.java b/src/main/java/com/yunhai/bschclassmanage/controller/api/SchsystemController.java
index 5acf785..587e0f1 100644
--- a/src/main/java/com/yunhai/bschclassmanage/controller/api/SchsystemController.java
+++ b/src/main/java/com/yunhai/bschclassmanage/controller/api/SchsystemController.java
@@ -8,6 +8,7 @@ import com.yunhai.bschclassmanage.enums.UserRole;
 import com.yunhai.bschclassmanage.enums.UserType;
 import com.yunhai.bschclassmanage.model.vo.AcademicStageSchsystemVO;
 import com.yunhai.bschclassmanage.model.vo.SelectIntVO;
+import com.yunhai.bschclassmanage.model.vo.TreeSelectVO;
 import com.yunhai.bschclassmanage.service.IComSchTreeService;
 import com.yunhai.bschclassmanage.service.ISchBinSchsystemService;
 import com.yunhai.bschclassmanage.utils.LogContextHolder;
@@ -126,5 +127,10 @@ public class SchsystemController {
         return schBinSchsystemService.selectSchBinSchsystem(UserContext.getSchId());
     }
 
+    @GetMapping("selectTree")
+    public List<TreeSelectVO> selectSchsystemTree() {
+        return schBinSchsystemService.selectSchsystemTree();
+    }
+
 
 }
diff --git a/src/main/java/com/yunhai/bschclassmanage/model/vo/TreeSelectVO.java b/src/main/java/com/yunhai/bschclassmanage/model/vo/TreeSelectVO.java
new file mode 100644
index 0000000..80d7282
--- /dev/null
+++ b/src/main/java/com/yunhai/bschclassmanage/model/vo/TreeSelectVO.java
@@ -0,0 +1,23 @@
+package com.yunhai.bschclassmanage.model.vo;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+/**
+ * @Author wanghu
+ * @Date 2026-6-10 15:09 （可以根据需要修改）
+ * @Description：
+ */
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class TreeSelectVO {
+    private String title;
+    private Integer value;
+    private List<TreeSelectVO> children;
+}
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/ISchBinSchsystemService.java b/src/main/java/com/yunhai/bschclassmanage/service/ISchBinSchsystemService.java
index d95fcc8..08f644a 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/ISchBinSchsystemService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/ISchBinSchsystemService.java
@@ -5,6 +5,7 @@ import com.yunhai.bschclassmanage.enums.AcademicStage;
 import com.yunhai.bschclassmanage.enums.SchType;
 import com.yunhai.bschclassmanage.model.vo.AcademicStageSchsystemVO;
 import com.yunhai.bschclassmanage.model.vo.SelectIntVO;
+import com.yunhai.bschclassmanage.model.vo.TreeSelectVO;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -31,7 +32,10 @@ public interface ISchBinSchsystemService {
 
      List<SelectIntVO> selectSchBinSchsystem(Integer schId);
 
+     List<TreeSelectVO> selectSchsystemTree();
+
      Map<Integer, String> getSchBinSchsystemMap(Integer schId);
 
 
+
 }
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseSchsystemService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseSchsystemService.java
index 9889903..da8c853 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseSchsystemService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/BaseSchsystemService.java
@@ -3,6 +3,7 @@ package com.yunhai.bschclassmanage.service.impl;
 import com.yunhai.bschclassmanage.Repository.BaseSchsystemGradeRepository;
 import com.yunhai.bschclassmanage.Repository.BaseSchsystemRepository;
 import com.yunhai.bschclassmanage.entity.BaseSchsystem;
+import com.yunhai.bschclassmanage.model.vo.TreeSelectVO;
 import com.yunhai.bschclassmanage.service.IBaseSchsystemService;
 import com.yunhai.bschclassmanage.utils.RedisConstants;
 import com.yunhai.bschclassmanage.utils.RedisUtil;
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/SchBinSchsystemService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/SchBinSchsystemService.java
index 599e115..0c78173 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/SchBinSchsystemService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/SchBinSchsystemService.java
@@ -9,6 +9,7 @@ import com.yunhai.bschclassmanage.model.entityField.EntityFieldNames;
 import com.yunhai.bschclassmanage.model.vo.AcademicStageSchsystemVO;
 import com.yunhai.bschclassmanage.model.vo.SchSystemVO;
 import com.yunhai.bschclassmanage.model.vo.SelectIntVO;
+import com.yunhai.bschclassmanage.model.vo.TreeSelectVO;
 import com.yunhai.bschclassmanage.service.IBaseSchsystemGradeService;
 import com.yunhai.bschclassmanage.service.IBaseSchsystemService;
 import com.yunhai.bschclassmanage.service.ISchBinSchsystemService;
@@ -209,4 +210,27 @@ public class SchBinSchsystemService implements ISchBinSchsystemService {
                         (oldVal, newVal) -> oldVal // 若key冲突，保留旧值（理论上不会冲突）
                 ));
     }
+
+    //学制树：第一层学段（value=学段id，title=学段名称），第二层学制（value=学制id，title=学制名称）
+    public List<TreeSelectVO> selectSchsystemTree() {
+        List<AcademicStageSchsystemVO> cached = getAcademicStageSchsystemList(null);
+        List<TreeSelectVO> list = new ArrayList<>();
+        for (AcademicStageSchsystemVO item : cached) {
+            List<TreeSelectVO> children = new ArrayList<>();
+            if (item.getAcademicStageList() != null) {
+                for (SchSystemVO sys : item.getAcademicStageList()) {
+                    children.add(TreeSelectVO.builder()
+                            .value(sys.getId())
+                            .title(sys.getName())
+                            .build());
+                }
+            }
+            list.add(TreeSelectVO.builder()
+                    .value(item.getAcademicStageId())
+                    .title(item.getAcademicStageName())
+                    .children(children)
+                    .build());
+        }
+        return list;
+    }
 }
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncGroupService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncGroupService.java
index bc73144..586f693 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncGroupService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/sync/SyncGroupService.java
@@ -28,13 +28,14 @@ public class SyncGroupService implements ISyncGroupService {
         if(Objects.equals(group.getType(),NodeType.SCHOOL.getId())){
             addOrUpdateSchool(group);
         }
+
         if(Objects.equals(group.getType(),NodeType.CLASS.getId())){
 
-
-            //添加班级组  202406
-            //添加班级 gradeid ?
-
-            // 获取年级组 2024  获取当前学校学制 >1  获取学段组 初中 高中
+            {
+                //添加班级组 需要 年级组id
+                //判断是否绑定了学制
+                //判断年级组是哪个学制的 年级组名称（2026） 学制下的 年级id（grade_id）
+            }
 
         }
     }