请教 Windows Claude code cli 要如何更新？

挂了霉国节点，claude –upgrade 还是更新不了：

PS C:\Users\Administrator> claude –upgrade Current version: 2.1.117 Checking for updates to latest version… Error: Failed to install native update Error: Failed to fetch version from https://downloads.claude.ai/claude-code-releases/latest: ECONNREFUSED Try running “claude doctor” for diagnostics PS C:\Users\Administrator> claude doctor

──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Diagnostics ├ Currently running: native (2.1.117) ├ Commit: 5e9d59ce46d5 ├ Platform: win32-x64 ├ Path: C:\Users\Administrator.local\bin\claude.exe ├ Config install method: native └ Search: OK (bundled)

Updates ├ Auto-updates: disabled (set by env: CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC) ├ Auto-update channel: latest └ Version check skipped (essential-traffic-only mode)

Still having issues? Run /feedback to report details.

Press Enter to continue PS C:\Users\Administrator>