An adjusting method performed by a terminal, said method comprising: obtaining at least one channel parameter of a wireless fidelity, WIFI, channel within a first preset time period; and shortening a scan time period of the WIFI channel from a preset scan time period to a value smaller than a second preset time period in response to the at least one channel parameter of the WIFI channel representing that a channel environment type of the WIFI channel is simple, wherein said method is characterized in that: the at least one channel parameter of the WIFI channel comprises an energy value of the WIFI channel and an idle slot ratio of the WIFI channel; and the energy value of the WIFI channel is a result of performing a clear channel assessment on the WIFI channel within the first preset time period, and the idle slot ratio of the WIFI channel is a proportion of an idle time of the WIFI channel within the first preset time period, wherein the step of shortening the scan time period of the WIFI channel from the preset scan time period to the value smaller than the second preset time period in response to the at least one channel parameter of the WIFI channel representing that the channel environment type of the WIFI channel is simple comprises: representing the channel environment type as being simple in response to the energy value of the WIFI channel being smaller than or equal to a first preset threshold and the idle slot ratio of the WIFI channel being greater than or equal to a second preset threshold; and shortening the scan time period of the WIFI channel from the preset scan time period to the value smaller than the second preset time period. obtaining at least one channel parameter of a wireless fidelity, WIFI, channel within a first preset time period; and shortening a scan time period of the WIFI channel from a preset scan time period to a value smaller than a second preset time period in response to the at least one channel parameter of the WIFI channel representing that a channel environment type of the WIFI channel is simple, wherein said method is characterized in that: the at least one channel parameter of the WIFI channel comprises an energy value of the WIFI channel and an idle slot ratio of the WIFI channel; and the energy value of the WIFI channel is a result of performing a clear channel assessment on the WIFI channel within the first preset time period, and the idle slot ratio of the WIFI channel is a proportion of an idle time of the WIFI channel within the first preset time period, wherein the step of shortening the scan time period of the WIFI channel from the preset scan time period to the value smaller than the second preset time period in response to the at least one channel parameter of the WIFI channel representing that the channel environment type of the WIFI channel is simple comprises: representing the channel environment type as being simple in response to the energy value of the WIFI channel being smaller than or equal to a first preset threshold and the idle slot ratio of the WIFI channel being greater than or equal to a second preset threshold; and shortening the scan time period of the WIFI channel from the preset scan time period to the value smaller than the second preset time period. the at least one channel parameter of the WIFI channel comprises an energy value of the WIFI channel and an idle slot ratio of the WIFI channel; and the energy value of the WIFI channel is a result of performing a clear channel assessment on the WIFI channel within the first preset time period, and the idle slot ratio of the WIFI channel is a proportion of an idle time of the WIFI channel within the first preset time period, wherein the step of shortening the scan time period of the WIFI channel from the preset scan time period to the value smaller than the second preset time period in response to the at least one channel parameter of the WIFI channel representing that the channel environment type of the WIFI channel is simple comprises: representing the channel environment type as being simple in response to the energy value of the WIFI channel being smaller than or equal to a first preset threshold and the idle slot ratio of the WIFI channel being greater than or equal to a second preset threshold; and shortening the scan time period of the WIFI channel from the preset scan time period to the value smaller than the second preset time period. representing the channel environment type as being simple in response to the energy value of the WIFI channel being smaller than or equal to a first preset threshold and the idle slot ratio of the WIFI channel being greater than or equal to a second preset threshold; and shortening the scan time period of the WIFI channel from the preset scan time period to the value smaller than the second preset time period.