Bug while changing the pokemon

[Midnighte]

well, i installed the client on my phone (android) ofc, i logged in, and whenever i start a fight with an npc trainer or wild pokemon, there is this bug where when i change my pokemone it replaces the ennemy pokemon instead and not mine (the hp bar, the name everythin changes) and my hp bar and pokemon name remains the same, but the techniques i use are not