Discuz! X3.4 在继承 Discuz! X3.4 的基础上，去除了云平台的相关代码，其他功能保持不变，如果您的论坛不需要云平台可以选择安装或更新到此版本。(Discuz! X3.4, on the basis of inheriting Discuz! X3.4, removes the relevant code of cloud platform, and keeps other functions unchanged. If your forum doesn't need cloud platform, you can choose to install or update this version.)