Thanks, it works.
Another glitch: Minutes ago, i was playing steam coop game with my friend in NTT 9944 version, my pet was Slaughter and his pet was Parrot, when my pet died in underwater 3-1(trench), he tried to save my pet and the game was desync after he pressed E key twice. The connection was aborted and Slaughter became his pet in his game but it was just revived in my game.