然后：1： c:\Windows\System32\drivers\etc\
2：双击hosts文件，用记事本方式打开
3：复制以下并粘贴至以记事本方式打开的hosts最后面
111.221.33.253 cdn.steamcommunity.com
111.221.33.254 cdn.steampowered.com
111.221.33.253 cdn.store.steampowered.com
111.221.33.254 media.steampowered.com
111.221.33.253 cloud.steampowered.com
111.221.33.254 storefront.steampowered.com
111.221.33.253 store.valvesoftware.com