ORA-16047: DGID mismatch between destination setting and target database

[grid@rac11g02 ~]$ lsnrctl status listener_scan1

LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 24-FEB-2022 14:44:45

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Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))
STATUS of the LISTENER
------------------------
Alias LISTENER_SCAN1
Version TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date 23-FEB-2022 12:19:12
Uptime 1 days 2 hr. 25 min. 32 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/11.2.0/grid/network/admin/listener.ora
Listener Log File /u01/11.2.0/grid/log/diag/tnslsnr/rac11g02/listener_scan1/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER_SCAN1)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.3.105)(PORT=1521)))
Services Summary...
Service "HZDB" has 3 instance(s).
Instance "HZDB", status READY, has 1 handler(s) for this service... ===>>>RAC到单机环境，出现三个数据库实例？
Instance "HZDB1", status READY, has 1 handler(s) for this service...
Instance "HZDB2", status READY, has 1 handler(s) for this service...