Anaconda更新一直报错,修改为国内镜像也不好使,最终找到了未被屏蔽的镜像. 错误日志: UnavailableInvalidChannel: The channel is not accessible or is invalid. channel name: simple channel url: http://pypi.douban.com/simple error code: 404 意思是资源路径无效或无法访问:资源的url地址是 http://pypi.douban.com/sim…