您的列表仅包含字符串，您无法对字符串执行.config()，请尝试

your list just contains strings and you can't perform .config() on a string, try

buttons = [PushButton(menu, command=lambda: disable(0), text="x", grid=[0,0])]
buttons += (PushButton(menu, command=lambda: disable(1), text="x", grid=[1,0]))

在创建按钮时，以便列表包含实际的按钮对象

when creating your buttons so the list contains the actual button objects