1. A method of updating user data, comprising: obtaining business flow data and conversation flow data of a first user; determining whether the first user has completed a preset first business task according to the obtained business flow data, and determining whether the first user has completed a preset first conversation task according to the obtained conversation flow data; and after determining that the first user has completed the preset first business task and has completed the preset first conversation task, obtaining a user data update volume corresponding to a first task group according to a mapping relationship between a task group and the user data update volume, and updating the user data corresponding to the first user according to the user data update volume corresponding to the first task group, wherein the first task group comprises the first business task and the first conversation task.