ard-sample/src/main/java/com/ard/sample/annotation/service/impl/AnnotationDirectoryServiceImpl.java
@@ -63,10 +63,15 @@
    @Override
    @Transactional(rollbackFor = Exception.class) // 事务保证级联删除
    public boolean deleteDirectory(String id) {
        if (id == null) {
        if (id == null || id.isEmpty()) {
            log.error("删除目录失败:ID为空");
            return false;
        }
        // ====================== 关键:不允许删除默认文件夹 ======================
        if ("default_directory_00000001".equals(id)) {
            log.error("删除目录失败:默认文件夹不允许删除");
            throw new RuntimeException("默认文件夹不允许删除");
        }
        // 1. 删除目录下所有标记
        annotationMapper.deleteByMap(Map.of("directory_id", id));
        // 2. 删除目录