cant get back leech slot!

[isteana]

i create account testman in TEST group of admin
and
admin:site change TEST groupslots 5 5

------
testman: site ginfo TEST

[R] 200-User slots : 5 (5)
[R] 200-Users : 1
--
[R] site adduser testman1 1
[R] 200 adduser Command successful.
--
[R] 200-User slots : 4 (5)
[R] 200-Users : 2
[R] 200-
[R] 200- Name Flags Groups
[R] 200- testman 3G TEST
[R] 200- testman1 3 TEST
--
[R] site change testman1 ratio 0
[R] 200-testman1: Account modified.
--
[R] site ginfo TEST
[R] 200-User slots : 4 (4)
[R] 200-Users : 2
[R] 200-
[R] 200- Name Flags Groups
[R] 200- testman 3G TEST
[R] 200- testman1 3 TEST
--
[R] site change testman1 ratio 3 <---here i recovery to 1/3
[R] 200-testman1: Account modified.
--
[R] site ginfo TEST
[R] 200-User slots : 4 (4) <---but still didnt give back 1 leech slot
[R] 200-Users : 2
[R] 200-
[R] 200- Name Flags Groups
[R] 200- testman 3G TEST
[R] 200- testman1 3 TEST
--
[R] site deluser testman1
[R] 200 deluser Command successful.
--
[R] site ginfo TEST
[R] 200-User slots : 5 (4) <---so i deleted leech account but still didnt get back!
[R] 200-Users : 1
[R] 200-
[R] 200- Name Flags Groups
[R] 200- testman 3G TEST
[R] 200 ginfo Command successful.
--
[R] site change testman ratio 2 <--watch this
[R] 200-testman: Account modified.
--
[R] site ginfo TEST
[R] 200-Description: New Group
[R] 200-MountFile :
[R] 200-User slots : 5 (3) <--and this is another problem. i only changed to 1/2
[R] 200-Users : 1 (do not used leech slot but why spent 1 leech??)
[R] 200-
[R] 200- Name Flags Groups
[R] 200- testman 3G TEST



some one help me
i cant understand thats why..