1. A method for adjusting television notification display durations used in a television system, comprising: receiving, by the television, a first notification information sent by a server, and determining a first display duration corresponding to a notification type of the first notification information, wherein the first display duration is the duration when the first notification information is displayed on a screen of the television; receiving, by the television, an operation instruction given by a user regarding the first notification information; adjusting, by the television, the first display duration corresponding to the notification type to a second display duration for a second notification information independently received from the server subsequent to and having the same type with the first notification information according a type of the operation instruction, wherein the second display duration is the duration when the second notification information is being displayed on the screen of the television and different from the first display duration.