diff --git a/src/main/java/com/yunhai/bschclassmanage/controller/api/LoginUserController.java b/src/main/java/com/yunhai/bschclassmanage/controller/api/LoginUserController.java
index c2b57e7..3a88afd 100644
--- a/src/main/java/com/yunhai/bschclassmanage/controller/api/LoginUserController.java
+++ b/src/main/java/com/yunhai/bschclassmanage/controller/api/LoginUserController.java
@@ -21,18 +21,6 @@ import java.util.List;
 @CrossOrigin(originPatterns = {"*"}, allowCredentials = "true")
 public class LoginUserController {
 
-
-    @GetMapping("GetUserMod")
-    public List<BoaModule> getUserMod() {
-        return YschBaseOpenApi.getUserModule(UserContext.getUserId(),UserContext.getSchId());
-    }
-
-    @GetMapping("GetUserInfo")
-    public UserContext.UserInfo getUserInfo() {
-        return UserContext.getCurrentUser();
-    }
-
-
     @GetMapping("Logout")
     protected void logout(HttpServletRequest request) {
         HttpSession session = request.getSession();
diff --git a/src/main/java/com/yunhai/bschclassmanage/controller/api/UserController.java b/src/main/java/com/yunhai/bschclassmanage/controller/api/UserController.java
index 09683b3..341bd82 100644
--- a/src/main/java/com/yunhai/bschclassmanage/controller/api/UserController.java
+++ b/src/main/java/com/yunhai/bschclassmanage/controller/api/UserController.java
@@ -21,7 +21,6 @@ import java.util.List;
 @CrossOrigin(originPatterns = {"*"}, allowCredentials = "true")
 public class UserController {
 
-
     @GetMapping("getUserMod")
     public List<BoaModule> getUserMod() {
         return YschBaseOpenApi.getUserModule(UserContext.getUserId(),UserContext.getSchId());
diff --git a/src/main/java/com/yunhai/bschclassmanage/service/com/ComSchTreeService.java b/src/main/java/com/yunhai/bschclassmanage/service/com/ComSchTreeService.java
index eb5a3cb..390ec62 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/com/ComSchTreeService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/com/ComSchTreeService.java
@@ -179,22 +179,38 @@ public class ComSchTreeService implements IComSchTreeService {
         }
     }
 
-   // public List<BoaGroup> getGroupTree() {
-
-      // return   YschBaseOpenApi.getGroupTree();
-
-//        String cacheKey = "bsch.classmanage.group_tree";
-//        // 直接从Redis获取JSON字符串
-//        String json = redisUtil.get(cacheKey, String.class);
-//        // 解析为树结构
-//        List<BoaGroup> treeList = OtherUtil.jsonParseArrayTree(json, BoaGroup.class);
-//        // 过滤并处理：type=2的节点停止递归
-//        return filterTreeByType(treeList, NodeType.SCHOOL.getId());
-   //}
-
     public List<BoaGroup> getGroupTree() {
-        BoaGroup group = YschBaseOpenApi.getGroupTree();
-        return Collections.singletonList(group);
+        List<BoaGroup> treeList = getCacheSysGroupTree();
+        // 过滤并处理：type=2的节点停止递归
+        return filterTreeByType(treeList, NodeType.SCHOOL.getId());
+   }
+
+    public List<BoaGroup> getCacheSysGroupTree() {
+       String cacheKey= RedisConstants.SYSTEM_GROUP_TREE;
+        List<BoaGroup> cached = redisUtil.getList(cacheKey, BoaGroup.class);
+        if (cached != null && !cached.isEmpty()) {
+            return cached;
+        }
+
+        // 2. 加锁防止缓存击穿 + 双重检查
+        synchronized (this) {
+            cached = redisUtil.getList(cacheKey, BoaGroup.class);
+            if (cached != null && !cached.isEmpty()) {
+                return cached;
+            }
+
+            // 3. 从数据库查询
+            BoaGroup group = YschBaseOpenApi.getGroupTree();
+            List<BoaGroup> list=Collections.singletonList(group);
+
+            // 4. 仅缓存非空结果；空结果不缓存，防止空缓存污染（穿透风险可忽略）
+            if (!list.isEmpty()) {
+                redisUtil.set(cacheKey, list, RedisConstants.CACHE_EXPIRE_1M);
+            }
+            return list;
+        }
+
+
     }
 
     public List<SelectIntVO> getSchoolList() {
diff --git a/src/main/java/com/yunhai/bschclassmanage/utils/RedisConstants.java b/src/main/java/com/yunhai/bschclassmanage/utils/RedisConstants.java
index 18d2333..08a0ff7 100644
--- a/src/main/java/com/yunhai/bschclassmanage/utils/RedisConstants.java
+++ b/src/main/java/com/yunhai/bschclassmanage/utils/RedisConstants.java
@@ -6,6 +6,8 @@ public class RedisConstants {
 
     //-----------------------------过期时间--------------------------
 
+    public static final long CACHE_EXPIRE_1M =  60 * 1000;
+
     public static final long CACHE_EXPIRE_5M = 5 * 60 * 1000;
 
     public static final long CACHE_EXPIRE_10M = 10 * 60 * 1000;
@@ -22,6 +24,8 @@ public class RedisConstants {
 
     //-------------------------------系统---------------------------------------
 
+    public static final String SYSTEM_GROUP_TREE = CachePrefix+ ".system_group_tree";
+
     //系统年级
     public static final String SYSTEM_GRAGE =CachePrefix+ ".system_grdae";