无法打开分发数据库 %1，因为它处于离线状态或正在进行恢复。无法升级复制设置和系统对象。请确保此数据库可用并再次运行 sp_vupgrade_replication。

Could not open distribution database %1 because it is offline or being recovered. Replication settings and system objects could not be upgraded. Be sure this database is available and run sp_vupgrade_replication again.