When I access the menu, everything works fine, nothing is wrong. But when I try to exit (In that case, it's simply pressing Zero) it seems that the command is just ordinary text, not a command at all, making exiting impossible.

Is there any solution?

Captain Crocket's Peacebreaker:

http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=102497108&searchtext=

(+) Killing 4 enemies gives you crits for 4 seconds.
(+) +30% projectile speed
(+) +25% clip size

(-) -10% Damage
(-) No random critical hits