1. A method comprising: receiving an access request from a client, wherein the access request includes information of a graphic code, the information of the graphic code corresponding to a particular combination of display information and action instruction information; querying and obtaining the particular combination of display information and action instruction information from among a plurality of different combinations of display information and action instruction information; performing a corresponding action according to the particular combination of display information and action instruction information to obtain an access result of the graphic code; and storing a correspondence relationship between the access result and a login account in the server after obtaining the access result of the graphic code.