1. All the functions of this game need network signals. When changing clothes, the network card suddenly stopped, and the signal was interrupted, which led to the inability to use the character card function, so it has not been changed.

2. It is common sense that the operation of Hyun Dance needs a server. When the power of the latter suddenly rises due to the surge in the number of players, which leads to the collapse, the function of changing business cards after changing clothes will not work.