注意您可以在结束日期中选择Indefinite，这允许虚拟系统无限期运行，直至管理员手动删除它。

Note that you can select Indefinite for the end date, which allows the virtual system to run until an administrator manually removes it.

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在用户所指定的周期结束后，将自动禁用服务功能，而用户必须手动禁用代理。

The service functionality disables automatically at the end of the period specified by the user, while the user must manually disable the agent.

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手动更改工作到此结束。

This step completes making the manual changes.

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