diff --git a/game.js b/game.js
index 4c79f21..9f83fd7 100644
--- a/game.js
+++ b/game.js
@@ -1128,6 +1128,11 @@ class Game {
             this.addLog(`${player.character.name} 对 ${target.character.name} 使用了【火攻】`);
             this.showCardUseAnimation();
             
+            if (target.hand.length === 0) {
+                this.addLog('目标没有手牌，火攻无效');
+                return false;
+            }
+            
             const randomCardIndex = Math.floor(Math.random() * target.hand.length);
             const randomCard = target.hand[randomCardIndex];
             this.addLog(`${target.character.name} 展示了一张 ${randomCard.name}`);
@@ -1492,7 +1497,6 @@ class Game {
     }
 
     aiPlayCards(player) {
-        const targets = this.players.filter(p => p.isAlive && p.index !== player.index);
         const canUseMultipleAttacks = this.hasWeaponWithEffect('zhugeliannu') || player.character.name === '张飞';
         
         const cardPriority = [
@@ -1513,6 +1517,11 @@ class Game {
         ];
         
         const playNextCard = () => {
+            if (this.gameOver || this.getCurrentPlayer().index !== player.index) {
+                return;
+            }
+            
+            const targets = this.players.filter(p => p.isAlive && p.index !== player.index);
             let cardsUsed = false;
             
             if (player.character.name === '刘备' && player.hand.length >= 2) {
@@ -1577,7 +1586,7 @@ class Game {
                             targetIndex = this[priority.target](player, targets);
                         }
                         
-                        if (targetIndex !== -1 || !priority.target) {
+                        if (targetIndex !== -1 || !priority.target || priority.isEquip) {
                             const result = this.playCard(cardIndex, targetIndex);
                             if (result) {
                                 cardsUsed = true;