还是一样的报错，欧博官网大佬。

SQL> alter user sys identified by oracle123;

User altered.

–主库测试连接

$ sqlplus sys/oracle123@TO_PRIMARY as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jun 15 13:32:02 2021

Copyright © 1982, 2013, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options

SQL> <<<主库可以正常连接

–拷贝密码
cd $ORACLE_HOME/dbs
scp orapworcl1 oracle@192.168.8.12:/u01/app/oracle/product/11.2.0/dbhome_1/dbs

$ sqlplus sys/oracle123@TO_STANDBY as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Jun 15 13:28:56 2021

Copyright © 1982, 2013, Oracle. All rights reserved.

ERROR:
ORA-01017: invalid username/password; logon denied