There may be a temporary issue with the Steam content servers in your region.
Please follow these steps to the change the region of the content servers you connect to:
Launch Steam and log into your Steam account.
Click the "Steam" menu and choose "Settings".
Go to the "Downloads + Cloud" tab.
Under "Download region", select the region closest to you. If the closest region is already selected, select the *next* closest region.
这不是写了吗?
然后我又清除了下缓存,正在下载,下好了看能不能玩。