BUG #18220: drop database in anytime

The following bug has been logged on the website:

Bug reference: 18220
Logged by: 俊 熊
Email address: xj1992950710(at)gmail(dot)com
PostgreSQL version: Unsupported/Unknown
Operating system: windows server 2008 r2
Description:

my database always drop
follow is my log
2023-12-01 10:57:00.626 CST [15960] FATAL: database "template0" is not
currently accepting connections
2023-12-01 10:57:04.313 CST [15172] ERROR: cannot drop table
spatial_ref_sys because extension postgis requires it
2023-12-01 10:57:04.313 CST [15172] HINT: You can drop extension postgis
instead.
2023-12-01 10:57:04.313 CST [15172] STATEMENT: DROP TABLE IF EXISTS
spatial_ref_sys CASCADE;
2023-12-01 10:57:05.454 CST [38608] FATAL: terminating connection due to
administrator command
2023-12-01 10:57:08.673 CST [24536] ERROR: cannot drop the currently open
database
2023-12-01 10:57:08.673 CST [24536] STATEMENT: DROP DATABASE postgres;
2023-12-01 10:57:11.329 CST [36712] ERROR: database "lw3620" does not
exist
2023-12-01 10:57:11.329 CST [36712] STATEMENT: DROP DATABASE LW3620;