| Class | Description |
|---|---|
| AttachmentService | 附件服务 |
| ErrorService | 异常处理服务，用于异常消息的集中处理与分发 |
| OsmOrganizationService | |
| OsmPositionService | |
| SecPermissionService | 权限服务 |
| SecRoleService | 角色鉴权服务 |
| SecRoleUserService | 角色、用户关联表的更新与缓存服务 |
| SecRoleUserService.Cache | 角色、用户关系缓存 |
| SecRoleUserService.Updater | |
| SecUserService | |
| SequenceService |
