sonnyyu:
For person in China:http://pan.baidu.com/s/1pJ3Fz9T
download openwrtyun.tar.gz into PC
Then use winscp ( Select SCP protocol) to upload to Yun:
It seems tha both Packages.gz and Packages.sig needed. But there is not enough files in your Baidu Yun.
Downloading http://downloads.arduino.cc/openwrtyun/1/packages/Packages.gz.
Downloading http://downloads.arduino.cc/openwrtyun/1/packages/Packages.sig.