Data updating method and device, server, storage medium and program product

The embodiment of the invention provides a data updating method and device, a server side, a storage medium and a program product. The method comprises the steps that: a subscription notification is acquired, wherein the subscription notification comprises a target channel and push data from the target channel; according to a channel session mapping relation set, a session identifier corresponding to the target channel is determined, wherein the channel session mapping relation set comprises a plurality of channel session mapping relations, each channel session mapping relation is used for representing a mapping relation between the channel and the session identifier, and the session identifier is associated with the application client; and the push data is sent to an application client corresponding to the session identifier, so that the application client performs data updating according to the push data. 本公开实施例提供了数据更新方法、装置、服务端、存储介质及程序产品。该方法包括：获取订阅通知，其中，订阅通知包括目标频道和来自目标频道的推送数据；根据频道会话映射关系集，确定与目标频道对应的会话标识，其中，频