How do I make it so that the text updates correctly?

The only thing that does not work is that the text of the TextBox is not being updated.

wait(2)
for _,v in pairs(workspace:GetChildren()) do 
    if v:IsA('BasePart') and not v.Name == "Terrain" then 
        v.Touched:connect(function(hit) 
            local player = game.Players:GetPlayerFromCharacter(hit.Parent)
            if player ~= nil then
                local cash = game.ServerStorage.PlayerMoney:FindFirstChild(player.Name)
                game.Workspace.Display.GUI.Amount.Text = "$ "..cash.Value
                end
        end) 
    end 

end