地图出现故障

我下载IOS版本我的世界后，创了新的地图进去后就出现这样的故障，我不知道是游戏问题还是手机版本的问题，希望能得到解决方案。谢谢

 

After I downloaded the IOS version of Minecraft, I created a new map and this problem occurred. I don't know if it's a game problem or a problem with the mobile version. I hope I can get a solution.Thank s