知道的解答一下，谢谢

giveSMG()
{
     self clearPerks();
     self takeAllWeapons();
     self giveWeapon("knife_mp");
     self GiveMaxAmmo("knife_mp");
     self giveWeapon("crossbow_explosive_mp");
     self GiveMaxAmmo("crossbow_explosive_mp");
     self giveWeapon("ak74u_reflex_grip_extclip_mp");
     self GiveMaxAmmo("ak74u_reflex_grip_extclip_mp");
     self giveWeapon("frag_grenade_mp");
     self giveWeapon("concussion_grenade_mp");
     wait .1;
     self switchToWeapon("ak74u_reflex_grip_extclip_mp");
    
     self setPerk("specialty_unlimitedsprint");
     self setPerk("specialty_quieter");
     self setPerk("specialty_bulletdamage");
     self setPerk("specialty_movefaster");
    
     self.killstreak[0] = "killstreak_airstrike";
     self.killstreak[1] = "killstreak_helicopter_gunner";
     self.killstreak[2] = "killstreak_helicopter_player_firstperson";
     self freezeControls(false);
}
改哪行   知道的帮个忙 谢谢