A message notification method for a communication account of a communication platform is performed at a computer server. The method includes identifying a plurality of terminals that are currently logged into the communication account; dividing the plurality of terminals into active terminals and inactive terminals in accordance with their respective operation status information; acquiring, by the communication platform for each of the active terminals, a time difference between a receiving time at which the communication platform receives the operation status information sent by the corresponding active terminal and a time at which the communication platform needs to send a message to the communication account at the corresponding active terminal; and configuring, by the communication platform for each of the active terminals, first notification instruction information according to the corresponding time difference.