在 apple 开发者网站注册
Apple Beta 版软件计划
shell 下运行下面命令
sudo /usr/libexec/PlistBuddy -c "clear dict" -c "add :SeedProgram string DeveloperSeed" "$3/Users/Shared/.SeedEnrollment.plist"sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate CatalogURL "https://swscan.apple.com/content/catalogs/others/index-10.13seed-1.sucatalog"sudo softwareupdate --clear-catalog前往 Appstore 下载