A network side device and a non-transitory computer readable storage medium are provided. The computer readable storage medium includes a computer program stored thereon, wherein when the computer program is executed by a processor, the processor implements following steps: receiving a message transmitted by a network side device; and acquiring, from the message, an inactive-state DRX parameter configured by the network side device for a terminal, wherein, receiving the message transmitted by the network side device includes: receiving, in a process of updating a RAN notification area, a Msg 4 transmitted by the network side device, in a case that the terminal is in an inactive state, wherein the inactive-state DRX parameter is carried in the Msg 4.