Yes, svn update? This command updates the latest version of the code on the server to the local working copy. If the file in the local working copy is inconsistent with the file on the server, it will overwrite the local file with the file on the server. So, is it in use? Svn update? Command, you should back up local changes first to avoid being overwritten. If you need to merge changes on the local and server, you can use? Svn merge? Orders.