接下来以记事本方式打开 hosts 文件，在最下面另起一行，输入111.221.33.253 cdn.steamcommunity.com111.221.33.254 cdn.steampowered.com111.221.33.253 cdn.store.steampowered.com111.221.33.254 media.steampowered.com111.221.33.253 cloud.steampowered.com111.221.33.254 storefront.steampowered.com111.221.33.253 store.valvesoftware.com然后按下ctrl+s 保存 - 关闭。