bug

src/main/java/com/project/ding/domain/service/impl/SearchUserDomainServiceImpl.java

@@ -1,5 +1,6 @@
 package com.project.ding.domain.service.impl;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.BooleanUtil;
 import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -81,11 +82,13 @@ public class SearchUserDomainServiceImpl implements SearchUserDomainService {
             DepartmentDTO departmentDTO = departmentBaseService.getById(singleDeptId).toDTO(DepartmentDTO::new);
             List<DepartmentDTO> departmentDTOPathList = departmentBaseService.lambdaQuery().in(DepartmentEntity::getId, departmentDTO.getDeptIdPath()).list()
                     .stream().map(departmentEntity -> departmentEntity.toDTO(DepartmentDTO::new)).toList();
-            departmentDTOPathList.forEach(depDTO ->
-                    depDTO.setDeptNamePath(new ArrayList<>(Collections.singletonList(depDTO.getName()))));
+            departmentDTOPathList.forEach(depDTO -> depDTO.setDeptNamePath(new ArrayList<>(Collections.singletonList(depDTO.getName())))
+            );
             departmentDTOPathList = TreeUtils.buildLongTree(departmentDTOPathList , DepartmentDTO::getId , DepartmentDTO::getParentId , (parentDTO , childrenList) -> {
                 parentDTO.setChildrenList(childrenList);
+                if (CollUtil.isNotEmpty(childrenList)) {
                     parentDTO.setLeaf(Boolean.FALSE);
+                }
                 childrenList.forEach(childDTO -> childDTO.getDeptNamePath().addAll(0, parentDTO.getDeptNamePath()));
             });
             departmentDTOPathList = TreeUtils.tree2List(departmentDTOPathList, DepartmentDTO::getChildrenList);