您了解 Subversion 1.7 的状态吗?它目前处于 beta-2 状态，不打算用于生产?此外，它无法与工作副本一起使用，因为 1.7 的工作副本格式已更改，并且不会自动升级您的工作副本.如果您喜欢使用 1.7-beta-2，则必须使用 Subversion 1.7-beta-2 的 JavaHL 版本而不是 1.6.X.上面提到的 TortoiseSVN 也是如此，因为你提到的版本是 BETA！(如 TortoiseSVN 网站所述.

You are aware of the Subversion 1.7 state? It is currently a beta-2 state and not intended for production? Furthermore it couldn't work with the working copy, cause the working copy format of 1.7 has changed and it will not upgrade your working copy automatically. If you like to use 1.7-beta-2 you have to use the JavaHL version of Subversion 1.7-beta-2 instead of 1.6.X. The above mentioned is also true for TortoiseSVN, cause the version you mentioned is a BETA! (as explained on the TortoiseSVN site.