The present disclosure provides a method, computer system and computer program product for generating a conversation content. According to the method, a rule corresponding to a first component of a user interface can be obtained, wherein the first component represents one or more resources provided to a user, an operation for the first component can be determined based on the rule and a feature of the first component, a virtual component tree can be constructed according to the operation, wherein the virtual component tree depicts components to be included in the user interface and relationship between the components; and the user interface can be rendered based on the virtual component tree.