Is it possible to use module script to change screen gui?

I'm new to programming and I am trying to change the screen GUI when another script activating,so here's what I am trying to accomplish.

I first coded a program for my character to dash, and what I imagine is when my character dash,it will change the size of the screen GUI. Here's the program of my dash.

local plr = game.Players.LocalPlayer
local Char = plr.Character 
local UserInputService = game:GetService("UserInputService")
local ATapping= false

local ADcd = false

local module = require(game.StarterGui.ScreenGui["Energy(Back)"].EnergyBar.ModuleCostEnergy)


UserInputService.InputBegan:Connect(function(Input, Run)
	if ADcd == false then

		if Run then return end
		
		if Input.KeyCode == Enum.KeyCode.A then
			if not ATapping then
				ATapping = true
				wait(0.3)
				ATapping = false
			else
				Char.HumanoidRootPart.Velocity = Char.HumanoidRootPart.CFrame.RightVector* -180
				module.myFunc()
				ADcd=true

				wait(1)
				print("A dash cd done")
				ADcd = false
			end
		end
	end

After that I also coded a module script and put it under the screen gui

local barsize = 100
local cost = 20

local module = {}

module.myFunc = function()
	barsize = barsize - cost
	print(barsize)
	script.Parent:TweenSize(UDim2.new(barsize,0,0,26),"Out","Quint",0.25)
    --test it the module works
	print("testing if it works")
end

return module

And here's the problem,I put a print("testing if it works") and print(barsize) to see if the module script did run when the dash program activated and it does print out ,but it seems not affecting the screen gui,so what went wrong? is it because module script can not affect screen gui but local script can? If so how should I fix it? Thank you.