说明：  热补丁是一种快速、低成本修复产品软件版本缺陷的方式。和升级软件版本相比，热补丁的主要优 势是不会使设备当前正在运行的业务中断，即在不重启设备的情况下，可以对设备当前软件版本的 缺陷进行修复
(Hot Patch is a fast, low-cost versions of product software defect repair methods. And upgrade software versions, the main advantage of hot patch is not currently running the equipment business interruption, ie without restarting the equipment cases, the current software version on the device to repair defects)