dota2交易黑屏的情况出现是因为客户端联网问题导致的，我们需要修改系统中的host文件即可正常运行游戏，下面是详细修改方法
Dota2客户端STEAM交易黑屏解决办法
交易多次黑屏，读不出库存的亲们，请按照下面的修改：
1进入目录 C:\WINDOWS\system32\drivers\etc\
2用记事本打开hosts文件，添加以下代码保存，直接复制粘贴到最下面就行了。
203.77.188.254 cdn.steampowered.com
203.77.188.254 cdn.steamcommunity.com
203.77.188.254 cdn.store.steampowered.com
203.77.188.254 cdn.store.steampowered.com
203.77.188.254 media.steampowered.com
117.121.249.253 valve.vo.llnwd.net
117.121.249.253 cdn.steampowered.com
117.121.249.253 cdn.store.steampowered.com
117.121.249.253 cdn.steamcommunity.com
117.121.249.253 media.steampowered.com
208.64.202.69 store.steampowered.com
203.77.188.253 cdn.store.steampowered.com
63.235.4.133 support.steampowered.com
63.228.223.103 steamcommunity.com
