config.lua

application = 
    {
        content = 
        { 
            graphicsCompatibility = 1, -- 加上這段
            width = 320,
            height = 320 * display.pixelHeight/display.pixelWidth,
            scale = "letterbox",
            fps = 60,

            imageSuffix = {
                ["@2x"] = 2,
            }
        },
    }