Not Appear Billboard Ui

Hi Im CTG I Need Help Why When Me Hover A Tower It Not Appear Billboard Ui

Here Is My Script

local UIS = game:GetService("UserInputService")

local player = game.Players.LocalPlayer

local mouse = player:GetMouse()

local label = player.PlayerGui:WaitForChild("TowerGui")

UIS.InputChanged:Connect(function(input)

	if mouse.Target then

		if mouse.Target:FindFirstChild("Nametag") then
			print("0")

			player.PlayerGui.TowerGui.Enabled = true
			print("1")

			player.PlayerGui.TowerGui.Adornee = mouse.Target.HumanoidRootPart
			print("2")

			if mouse.Target.Parent and mouse.Target.Parent ~= game.Workspace then

				player.PlayerGui.TowerGui.TowerName.Text = mouse.Target.Name
				
				player.PlayerGui.TowerGui.Level.Text = mouse.Target.Config.Level.Value
				
				player.PlayerGui.TowerGui.TowerOwner.Text = mouse.Target.Config.Owner.Value

			else

				player.PlayerGui.TowerGui.TowerName.Text = mouse.Target.Name

			end

		else

			player.PlayerGui.TowerGui.Enabled = false

			player.PlayerGui.TowerGui.Adornee = nil

			player.PlayerGui.TowerGui.TowerName.Text = "TowerName"

		end

	end

end)