#define LOS_ERRNO_SWTMR_INTERVAL_NOT_SUITED   LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x01)

Software timer error code: The expiration time is 0.

Value: 0x02000301

Solution: Re-define the expiration time.

在文件los_swtmr.h70行定义。