diff --git a/src/common/Debug.ts b/src/common/Debug.ts
index ac0944d..095aba5 100644
--- a/src/common/Debug.ts
+++ b/src/common/Debug.ts
@@ -10,5 +10,7 @@ export const robotLog = debug('jc:robot');
 
 export const assistLog = debug('jc:assist');
 
+export const cardLog = debug('jc:card');
+
 export const error = debug('jc:error');
 error.log = console.error.bind(console);
diff --git a/src/rooms/commands/DiscardCommand.ts b/src/rooms/commands/DiscardCommand.ts
index 1bdfd38..c7e81fe 100644
--- a/src/rooms/commands/DiscardCommand.ts
+++ b/src/rooms/commands/DiscardCommand.ts
@@ -65,8 +65,7 @@ export class DiscardCommand extends Command<CardGameState, { client: Client, car
         for (let card of tmpCards) {
             this.state.cards.set(card.id + '', card);
             player.cardQueue.push(card);
-            player.cards.delete(card.id + '');
-            player.cardSet.delete(card.id + '');
+            gameUtil.deleteCardFromPlayer(player, card.id);
         }
         /**
          * 这说明是当前轮正常出牌,
diff --git a/src/rooms/commands/EatConfirmCommand.ts b/src/rooms/commands/EatConfirmCommand.ts
index 27d0645..56fd8c8 100644
--- a/src/rooms/commands/EatConfirmCommand.ts
+++ b/src/rooms/commands/EatConfirmCommand.ts
@@ -6,6 +6,7 @@ import {debugRoom} from "../../common/Debug";
 import {TurnEndCommand} from "./TurnEndCommand";
 import {Player} from "../schema/Player";
 import {Card} from "../schema/Card";
+import gameUtil from "../../utils/game.util";
 
 /**
  * 根据条件决定吃牌玩家, 并执行吃牌逻辑
@@ -80,8 +81,7 @@ export class EatConfirmCommand extends Command<CardGameState, { timeUp: boolean
                 let card = player.cards.get(id + '').clone();
                 this.state.cards.set(id + '', card);
                 player.cardQueue.push(card);
-                player.cards.delete(id + '');
-                player.cardSet.delete(id + '');
+                gameUtil.deleteCardFromPlayer(player, id);
             }
             let cardArr: Card[] = [...this.state.cards.values()];
             let time = new GameEnv().playerActTime * 1000 + player.extraTime;
diff --git a/src/utils/game.util.ts b/src/utils/game.util.ts
index 0bc636e..154a3e3 100644
--- a/src/utils/game.util.ts
+++ b/src/utils/game.util.ts
@@ -4,7 +4,7 @@ import {Player} from "../rooms/schema/Player";
 import {BaseConst} from "../constants/BaseConst";
 import {SystemCardCfg} from "../cfg/parsers/SystemCardCfg";
 import {EffectCardCfg} from "../cfg/parsers/EffectCardCfg";
-import {error} from "../common/Debug";
+import {cardLog, error} from "../common/Debug";
 import {Room} from "colyseus";
 import {PlayerStateConst} from "../constants/PlayerStateConst";
 import {GameEnv} from "../cfg/GameEnv";
@@ -188,30 +188,36 @@ let gameUtil = {
      * @param player
      * @param cards
      */
-    deleteCardFromPlayer(player: Player, cards: Card[] | string[] | number[]) {
-        for (let card of cards) {
-            let cardId = '';
-            if (typeof card == 'string') {
-                cardId = card;
-            } else if (typeof card == 'number') {
-                cardId = card + '';
-            } else {
-                cardId = (card as Card).id + '';
-            }
+    deleteCardFromPlayer(player: Player, cards: Card[] | string[] | number[] | number | string) {
+        let deleteOne = function (cardId: string) {
             if (player.cards.has(cardId)) {
+                if (cardLog.enabled) {
+                    let card = player.cards.get(cardId);
+                    cardLog(`delete: ${player.id} ${card.id} ${card.effect} ${card.type} `)
+                }
                 player.cards.delete(cardId);
                 player.cardSet.delete(cardId);
             }
         }
+        if (typeof cards == 'number' || typeof cards == 'string') {
+            const cardId = cards + '';
+            deleteOne(cardId);
+        } else {
+            for (let card of cards) {
+                let cardId = '';
+                if (typeof card == 'string') {
+                    cardId = card;
+                } else if (typeof card == 'number') {
+                    cardId = card + '';
+                } else {
+                    cardId = (card as Card).id + '';
+                }
+                deleteOne(cardId);
+            }
+        }
+
     },
-    /**
-     * 往玩家的卡组里添加卡
-     * @param room
-     * @param player
-     * @param cards
-     * @param fromplayer
-     */
-    addCardToPlayer(room: Room, player: Player, cards: Card[], fromplayer?: Player) {
+    pushInPlayerCards(player: Player, cards: Card[]) {
         const effectMap = global.$cfg.get(BaseConst.EFFECTCARD);
         for (let card of cards) {
             // 如果card的type == 11, 说明是自选随从卡, 则替换成玩家牌组中的卡
@@ -221,6 +227,17 @@ let gameUtil = {
             player.cards.set(card.id + '', card);
             player.cardSet.add(card.id + '');
         }
+        cardLog(`add: ${player.id} ${cards.map(o => [o.id, o.effect, o.type])}`)
+    },
+    /**
+     * 往玩家的卡组里添加卡
+     * @param room
+     * @param player
+     * @param cards
+     * @param fromplayer
+     */
+    addCardToPlayer(room: Room, player: Player, cards: Card[], fromplayer?: Player) {
+        this.pushInPlayerCards(player, cards);
         player.countTotal += cards.length;
         room.battleMan.onCardGetted(player, cards, fromplayer);
     },
@@ -233,21 +250,17 @@ let gameUtil = {
     changeCard(cardArr: Card[], player: Player, targetCards: Card[]): Card[] {
         const effectMap = global.$cfg.get(BaseConst.EFFECTCARD);
         let cards: Card[] = [];
+        let tmpCards: Card[] = [];
         for (let card of targetCards) {
-            player.cards.delete(card.id + '');
-            player.cardSet.delete(card.id + '');
+            tmpCards.push(card.clone());
         }
-        cardArr.randomInsert(targetCards);
+        this.deleteCardFromPlayer(player, targetCards);
+        cardArr.randomInsert(tmpCards);
         let count = targetCards.length;
         for (let i = 0; i < count; i++) {
-            let card = cardArr.pop();
-            if (card.type == CardType.variable_unit && effectMap.get(card.effect).type_id == EffectType.variable_unit) {
-                card.effect = this.getRandomServant(player);
-            }
-            cards.push(card);
-            player.cards.set(card.id + '', card);
-            player.cardSet.add(card.id + '');
+            cards.push(cardArr.pop());
         }
+        this.pushInPlayerCards(player, cards);
         return cards;
     },
     /**