Abstract: Embodiments of the present application provide a screen body support device, including: a fixing bracket; a movable bracket being rotatably connected with the fixing bracket, in which the movable bracket and the fixing bracket are provided in a non-display area of a flexible display screen; and a driving component being fixedly connected with the movable bracket, in which the driving component is configured to drive the movable bracket to swing in two opposite directions with respect to the fixing bracket, so that the flexible display screen is bent in two opposite directions respectively.

Abstract: The present invention provides a method for writing a card over the air, a server and a smart card, the method includes: receiving, by a server, a card writing request transmitted by a portal site, where the card writing request carries a preset number and a card writing number corresponding to a smart card to be written; acquiring first card data corresponding to the card writing number according to the card writing number; transmitting the first card data to the smart card according to the preset number to instruct the smart card to correspondingly replace, except an original authentication key parameter, original card data corresponding to the preset number with the first card data, and correspondingly replace the original authentication key parameter in the original card data with a first authentication key parameter presorted in the smart card, so that the smart card completes card writing over the air.