关于这个错误：Subversion detected an unsupported working copy version while checking the status of 'XXXX'. Most likely you upgraded another Subversion client (e.g. TortoiseSVN or the SVN client) to a newer version without upgrading your AnkhSVN.
主要原因是AnkhSVN的版本过低，所以又下载了AnkhSvn-2.5.12040.zip安装包，OK.