下载安装脚本升级挂在这一步：
+ install_code=0
+ /Users/me/.claude/downloads/claude-2.1.259-darwin-arm64 install
✘ Installation failed
Download timed out: exceeded the total deadline
直接 claude update 挂在这一步：
❯ claude update
Current version: 2.1.258
Checking for updates to latest version...
Updating to 2.1.259...
Error: Failed to install native update
TelemetrySafeError: Download timed out: exceeded the total deadline
Try running "claude doctor" for diagnostics
通过 http_proxy 使用没问题，之前升级也没问题。