可在此下载Windows桌面应用2.2.20版SHA-256校验和
//www.dr-ashkenazy.com/download/sync-packages/win/2.2.20/cur/sync-installer.exe.sha256
华府
和SHA-256校验和2.2.20版Mac桌面应用
//www.dr-ashkenazy.com/download/sync-packages/osx/2.2.20/cur/Sync.dmg.sha256
华府
并用 sha1或md5替换 URLs