Claude Code 安装失败claude-code-releases/latest after 3 attempt

Claude Code 安装失败Failed to fetch version from https://downloads.claude.ai/claude-code-releases/latest after 3 attempt(s): ECONNREFUSEDWindows用终端PowerShell安装非cmdcmd也能装不是这个命令开VPN在浏览器用 https://claude.ai/ 测试一下有页面证明网络没问题PowerShell输入irm https://claude.ai/install.ps1 | iex输出报错信息Failed to fetch version from https://downloads.claude.ai/claude-code-releases/latest after 3 attempt(s): ECONNREFUSED到VPN里面查端口号PowerShell输入$env:HTTP_PROXYhttp://127.0.0.1:7897;$env:HTTPS_PROXYhttp://127.0.0.1:7897我的端口号是7897不是就改这个数字别的不动PowerShell输入irm https://claude.ai/install.ps1 | iex