How to fix humanoid temporary player look the direction they're pointing?

I copied the script from people that gave me solution but this script only work sometime. I need another solution..

-- Services --
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local UserInputService = game:GetService("UserInputService")

-- Variables --
local plr = game.Players.LocalPlayer
local Char = plr.Character or plr.CharacterAdded:Wait()
local Remote = game.ReplicatedStorage.RemoteEvents.FireBallEvent
local Mouse = plr:GetMouse()

-- Settings --
local Debounce = true
local Key = 'Q'

local Animation = Instance.new("Animation")
Animation.AnimationId = 'rbxassetid://2593868235'

UserInputService.InputBegan:Connect(function(Input, IsTyping)
	if IsTyping then return end
	local KeyPressed = Input.KeyCode
	if KeyPressed == Enum.KeyCode[Key] and Debounce and Char then
		Debounce = false
		local LoadAnimation = Char.Humanoid:LoadAnimation(Animation)
		LoadAnimation:Play()
		
		-- View --
		local player = game.Players.LocalPlayer
		local character = player.Character
		local torso = character.HumanoidRootPart
		local mouse = player:GetMouse()

	local bg = Instance.new("BodyGyro")
        bg.Parent = torso
        bg.D = 90
        bg.MaxTorque = Vector3.new(math.huge,math.huge,math.huge)

		local ev = mouse.Move:Connect(function()
		character.Humanoid.AutoRotate = false
		bg.CFrame = CFrame.new(torso.Position, mouse.Hit.Position)

		end)
		
		wait(.5)
		ev:Disconnect()
		bg:Destroy()
		
		character.Humanoid.AutoRotate = true
		
		Remote:FireServer(Mouse.Hit)
		wait(2)
		Debounce = true
	end
end)