Various embodiments of the present disclosure provide a method for relay communication. The method which may be performed by a terminal device comprises obtaining configuration information of the terminal device. The configuration information may indicate that a first identifier of the terminal device for an adaptation layer is to be reconfigured to a second identifier of the terminal device for the adaptation layer. In accordance with an exemplary embodiment, the method further comprises determining whether to update the first identifier of the terminal device for a data unit to the second identifier.