无法执行 SQL 语句，因为文件组 '%1' 处于离线状态。请使用 sys.database_files 或 sys.master_files 目录视图来确定此文件组中文件的状态，然后从备份还原离线文件。

The SQL statement cannot be executed because filegroup '%1' is offline. Use the sys.database_files or sys.master_files catalog view to determine the state of the files in this filegroup and then restore the offline file(s) from backup.