我在安装包扩展密钥时遇到此错误..
WARNING: channel "connect.magentocommerce.com/community" has updated its protocols, use "channel-update connect.magentocommerce.com/community" to update
downloading magento_mobile_assistant_manager-0.1.4.tgz ...
Starting to download magento_mobile_assistant_manager-0.1.4.tgz (16,531 bytes)
. . . ...done: 16,531 bytes
ERROR: unable to unpack /var/www/html/magento1420/downloader/pearlib/download/magento_mobile_assistant_manager-0.1.4.tgz