[已解决了问题]

 
 // Last human or not an infection round 
 if (g_survround || g_nemround || g_swarmround || g_plagueround || fnGetHumans() == 1) 
  return HAM_IGNORED; // human is killed 

 
  // Does human armor need to be reduced before infecting? 
 if (get_pcvar_num(cvar_humanarmor)) 
 { 
  // Get victim armor 
  static Float:armor 
  pev(victim, pev_armorvalue, armor) 
   
  // Block the attack if he has some 
  if (armor > 0.0) 
  { 
   emit_sound(victim, CHAN_BODY, sound_armorhit, 1.0, ATTN_NORM, 0, PITCH_NORM) 
   set_pev(victim, pev_armorvalue, floatmax(0.0, armor - damage)) 
   return HAM_SUPERCEDE; 
  } 
 }