My game crashed when I was fighting the last boss of 斯克瑪試煉

I was playing around 15:40 Taiwan time, and I was fighting the last boss of 斯克瑪試煉. However, just as I defeated it, the game crashed. I believe I lost the items as a result, and I hope the official team can help restore the dropped items and the level. I wouldn't mind having to fight the boss again