void OnMouseDown()
 {
     if (this.gameObject != GUIManager.showTurret)
     {
         //清除之前的显示炮塔
         if (GUIManager.showTurret != null)
         {
             Destroy(GUIManager.showTurret);
         }
         //显示炮塔改成自己
         GUIManager.showTurret = GameData.CreateTurret(type, seq, "Outfit");
         GUIManager.showTurret.transform.position   = new Vector3(40, 21);
         GUIManager.showTurret.transform.localScale = new Vector3(10, 10);
         //改写追踪数据
         GUIManager.ChangeShipOutfitState(seq, type);
     }
 }