1. A method for updating webpage data for using in a terminal, comprising: obtaining an update identifier corresponding to latest released webpage update data, wherein the webpage update data is used to update current webpage data and wherein the current webpage data is displayable by a browser embedded in an application program; sending a first update request for obtaining the webpage update data to a cache server, wherein the first update request includes the update identifier; receiving the webpage update data from the cache server based on the first update request; and updating the current webpage data based on the webpage update data.