0312 优化boss战场返回武将图片空白问题；boss战场失败无法退出问题

hch

2025-10-24 36d3b9d0a76298b5d76f1883173f9eef6d485571

 Main/System/Main/MainWin.cs

@@ -351,9 +351,15 @@
            if (tmpHero != null)
            {
                AutoFightModel.Instance.fightingHeroSkinID = tmpHero.SkinID;
                fightHeroImg.SetOrgSprite(HeroSkinConfig.Get(AutoFightModel.Instance.fightingHeroSkinID).SquareIcon, "HeroHead");
            }
            else
            {
                Debug.LogError("没有找到下一个攻击武将");
                return;
            }
        }

        fightHeroImg.SetOrgSprite(HeroSkinConfig.Get(AutoFightModel.Instance.fightingHeroSkinID).SquareIcon, "HeroHead");
    }

    void OnSkillCast(bool isfighting)