雷军现场演示“人车家”生态，不料小爱同学翻车了

Group 1 - The core event involved Xiaomi's founder, chairman, and CEO Lei Jun demonstrating the "homecoming mode" of the AI voice assistant Xiao Ai during a live broadcast [1] - The demonstration did not go as planned, as Xiao Ai failed to execute the command and responded with "operation failed" [1]