diff --git a/Assets/TcgEngine/Scripts/GameLogic/GameLogic.cs b/Assets/TcgEngine/Scripts/GameLogic/GameLogic.cs
index b4b6aa1..9c46f95 100644
--- a/Assets/TcgEngine/Scripts/GameLogic/GameLogic.cs
+++ b/Assets/TcgEngine/Scripts/GameLogic/GameLogic.cs
@@ -174,6 +174,9 @@ namespace TcgEngine.Gameplay
             game_data.turn_timer = GameplayData.Get().turn_duration;
             player.history_list.Clear();
 
+            //清除本回合已上场的卡牌数量
+            player.cards_played_this_turn = 0;
+
             //Player poison
             if (player.HasStatus(StatusType.Poisoned))
                 player.hp -= player.GetStatusValue(StatusType.Poisoned);
@@ -997,6 +1000,81 @@ namespace TcgEngine.Gameplay
 
             cards_to_clear.Add(card); //Will be Clear() in the next UpdateOngoing, so that simultaneous damage effects work
             onCardDiscarded?.Invoke(card);
+
+            // 检查场上是否为空，如果为空则强制召唤角色牌
+            if (was_on_board)
+            {
+                CheckAndForceSummonCharacter(player);
+            }
+        }
+
+        // 检查并强制召唤角色牌
+        public virtual void CheckAndForceSummonCharacter(Player player)
+        {
+            // 检查场上是否为空
+            if (player.cards_board.Count > 0)
+                return; // 场上还有牌，不需要强制召唤
+
+            // 检查手牌中是否有角色牌
+            Card characterCard = GetRandomCharacterFromHand(player);
+            if (characterCard != null)
+            {
+                // 从手牌强制上场角色牌
+                ForceSummonCharacterFromHand(player, characterCard);
+            }
+            else if (player.cards_hand.Count == 0 && player.cards_deck.Count > 0)
+            {
+                // 没有手牌但卡组还有牌，判为输
+                EndGame(GetOpponentId(player.player_id));
+            }
+        }
+
+        // 从手牌中获取随机角色牌
+        private Card GetRandomCharacterFromHand(Player player)
+        {
+            List<Card> characterCards = new List<Card>();
+            foreach (Card card in player.cards_hand)
+            {
+                if (card.CardData.IsCharacter())
+                {
+                    characterCards.Add(card);
+                }
+            }
+
+            if (characterCards.Count > 0)
+            {
+                return characterCards[random.Next(0, characterCards.Count)];
+            }
+
+            return null;
+        }
+
+        // 强制从手牌召唤角色牌，设置为疲劳状态，不消耗mana
+        private void ForceSummonCharacterFromHand(Player player, Card characterCard)
+        {
+            // 找到一个空的卡槽
+            Slot emptySlot = player.GetRandomEmptySlot(random);
+            if (emptySlot.IsValid())
+            {
+                // 不消耗mana强制上场
+                PlayCard(characterCard, emptySlot, true); // skip_cost = true
+                
+                // 设置为疲劳状态
+                characterCard.exhausted = true;
+            }
+        }
+
+        // 获取对手ID
+        private int GetOpponentId(int playerId)
+        {
+            foreach (Player player in game_data.players)
+            {
+                if (player.player_id != playerId)
+                {
+                    return player.player_id;
+                }
+            }
+            return -1; // 找不到对手时返回-1
         }
 
         public int RollRandomValue(int dice)
diff --git a/Assets/TcgEngine/Scripts/GameLogic/Player.cs b/Assets/TcgEngine/Scripts/GameLogic/Player.cs
index b49c73b..51db653 100644
--- a/Assets/TcgEngine/Scripts/GameLogic/Player.cs
+++ b/Assets/TcgEngine/Scripts/GameLogic/Player.cs
@@ -26,7 +26,7 @@ namespace TcgEngine
         public int mana = 0;
         public int mana_max = 0;
         public int kill_count = 0;
-
+        public int cards_played_this_turn = 0; // 本回合已上场的卡牌数量
         public Dictionary<string, Card> cards_all = new Dictionary<string, Card>(); //Dictionnary for quick access to any card by UID
         public Card hero = null;
 
@@ -556,10 +556,18 @@ namespace TcgEngine
 
         public virtual bool IsDead()
         {
-            if (cards_hand.Count == 0 && cards_board.Count == 0 && cards_deck.Count == 0)
-                return true;
+            // 原有的死亡判定：血量为0
             if (hp <= 0)
                 return true;
+            
+            // 新增的死亡判定：无手牌、无场上卡牌，且卡组中还有牌
+            if (cards_hand.Count == 0 && cards_board.Count == 0 && cards_deck.Count > 0)
+                return true;
+                
+            // 原有的死亡判定：所有牌都没有了
+            if (cards_hand.Count == 0 && cards_board.Count == 0 && cards_deck.Count == 0)
+                return true;
+            
             return false;
         }