1、去除主界面的无效链接按钮 2、防御方如果是城市,则不受单一兵种惩罚 1、去除主界面的無效鏈接按鈕 2、防禦方如果是城市,則不受單一兵種懲罰 1. Remove the invalid link button on the main interface 2. If the defense is a city, it is not subject to a single class penalty