此前官宣将现场拆车，雷军发文道歉：感冒严重，原定的跨年直播推迟到1月3日晚

Group 1 - The founder, chairman, and CEO of Xiaomi, Lei Jun, announced a New Year's Eve live stream scheduled for December 31 at 8 PM [1] - The live stream will feature engineers disassembling a car while discussing it, following suggestions from viewers to dismantle the YU7 model [1] - On December 25, Xiaomi held a product launch event for the Xiaomi 17 Ultra, which was hosted by other executives, as Lei Jun did not take the stage [5] Group 2 - The launch event was streamed live across multiple platforms, but comments were disabled in Lei Jun's live stream rooms [6] - On December 31, Lei Jun posted again, stating that due to a severe cold, the live stream was postponed to January 3 at 7 PM [3]