1, history can't be hidden, but you can hide it from others and turn it off in the settings for others to see the records.

2. In the glory of the king's mobile game, after logging in, the player can click Settings in the upper right corner, then drop it down, and then click Privacy Settings. You can find the record display (on by default), and the player will turn off the record display so that other players can't see the player's history.