how to make part follow me im trying to make pet ?

i dont know what is the problem in my script this is the script

game.Players.PlayerAdded:Connect(function(Player)   
local character = Player.Character
local humRootPart = character.HumanoidRootPart
local FirePet = game.ServerStorage.Pets.FirePet
local bodyPos = game.ServerStorage.Pets.FirePet.BodyPosition
local bodyGyro = game.ServerStorage.Pets.FirePet.BodyGyro   
                bodyPos.Position = humRootPart.Position + Vector3.new(2, 2, 3)
                bodyGyro.CFrame = humRootPart.CFrame

        FirePet.CanCollide = false  



end)