Abstract: Provided is a method for information prompt, including: receiving an audio/video call invitation, and displaying, in the case that the account does not accept the audio/video call invitation, a first state prompt at the position of a session to which a target audio/video call belongs on a session list page of an account logged on a terminal. The first state prompt indicates that there is an unjoined audio/video call which is in progress.

Abstract: A radiator clip structure and comprising skewed slots on the back of the radiator, locking slots for receiving a tool for mounting and dismounting the structure above the skewed slots and a main part of the radiator clip further comprising a u-shaped panel with a long edge and a short edge, and a notch between the long edge of the main part of the radiator clip and the bottom edge of the u-shaped panel. A tool used for mounting and dismounting the radiator clip for the above mentioned structure, comprising a pressing block with a concave surface, a convex spot, a handle, and a concave part on the end of the said handle.