ident auth does not works as usual

Well  , describe as follows:

pg_pba.conf
host    all             root             127.0.0.1/32           ident    map=test
host    all             all             127.0.0.1/32            trust


pg_indent.conf

test   root    cce


and  login pg  via  root  user , it doesnt work

error info is

2023-08-26 16:56:29.484 CST [18349] LOG:  no match in usermap "test" for user "root" authenticated as "root"
2023-08-26 16:56:29.484 CST [18349] FATAL:  Ident authentication failed for user "root"
2023-08-26 16:56:29.484 CST [18349] DETAIL:  Connection matched pg_hba.conf line 91: "host    all             root             127.0.0.1/32           ident    map=test"


i checked config file  many times, and could not find  any reason  of this error.

pls help me.

thanks.