Not working my mobile touch system ! Why ?

local Imag = script.Parent.ImageLabel
local Int = workspace.Hozaerve  

local function onTouchTap()
	if Imag.Image == "rbxgameasset://Images/I-H-W-M" then
		Imag.Image = "rbxgameasset://Images/I-H-B-M"
		Int.Value = true
		wait(0.1) 
		Imag.Image = "rbxgameasset://Images/I-H-W-M"
		Int.Value = false
	end
end
 
Imag.TouchTap:Connect(onTouchTap)