在第二行中，请变更目录名称。
On the second line, change the directory name. If you are using UNIX, the syntax should be something like.
降级影响：当您想要恢复到一个旧版本时，服务器就会终止目录变更；不会有降级消息。
Reversion impact: When you try to revert to an older version, the server takes care of dropping the catalog changes; there are no reversion messages.
降级影响：服务器终止系统目录变更，降级不显示任何降级信息就完成。
Reversion impact: the server takes care of dropping the system catalog changes, and the reversion goes through without any reversion messages.
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