第一步,修改host文件 目的:是屏蔽掉Pycharm对激活码的验证 路径:/etc/hosts 在文件最后一行添加文本: 0.0.0.0 account.jetbrains.com 修改后文件如下: ## # Host Database # localhost is used to configure the loopback interface # when the system is booting. Do not change this entry. ## 127.0.0.1 local