Can not login – 力扣 LeetCode - 算法编程职业成长社区 Review

In the ipad, I tried email and LeetCode ID to login in, just failed. I wonder why. However, when I try it in computer, it works. I do not know why the app does not work
Review by Alex-just on 力扣 LeetCode - 算法编程职业成长社区.