A base station and a non-transitory computer readable medium are provided. The base station includes a storage, a processor, and a program stored on the storage and executable by the processor, wherein when the program is executed by the processor, the processor implements the following step: sending, to one or more terminals, monitoring assistance information of a PDCCH used to schedule RMSI; wherein the monitoring assistance information includes preset parameters and/or one or more resource indicators of the PDCCH used to schedule the RMSI and selected by the base station.