@battler = $scene.active_battler
a = @battler.current_action
if a.kind == 1 && a.skill_id == 1
  a.kind, a.basic = 0, 0
  $scene.phase4_step = 2
  $scene.help_window.set_text("追加攻击", 1)
  $scene.help_window.visible = true
end