diff --git a/src/global.d.ts b/src/global.d.ts
index fa0b88d..48fd4e5 100644
--- a/src/global.d.ts
+++ b/src/global.d.ts
@@ -134,20 +134,18 @@ declare module "colyseus" {
 
         /**
          * 弃卡, 并广播消息
-         * @param srcplayer
-         * @param dstplayer  目标玩家, 可以和srcplayer相同
+         * @param dstplayer  目标玩家
          * @param count
          */
-        giveUpCard(srcplayer: string, dstplayer: string, count: number): boolean;
+        giveUpCard(dstplayer: string, count: number): boolean;
 
         /**
          * 补卡, 并广播消息
-         * @param srcplayer
-         * @param dstplayer 目标玩家, 可以和srcplayer相同
+         * @param dstplayer 目标玩家
          * @param count     补多少张, 该值和max_count至少一个不为0
          * @param max_count 补到多少张, 如果count和max_count都不为0, 则抽 Math.min(count, (max_count - 当前手牌数))
          */
-        addCard(srcplayer: string, dstplayer: string, count: number, max_count: number): boolean;
+        addCard(dstplayer: string, count: number, max_count: number): boolean;
 
     }
 }
diff --git a/src/index.ts b/src/index.ts
index f9ae7b5..a437974 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -10,6 +10,7 @@ import {MongooseDriver} from "colyseus/lib/matchmaker/drivers/MongooseDriver";
 import {initData} from "./common/GConfig";
 
 require('./rooms/MSender');
+require('./rooms/RoomExtMethod');
 
 const port = Number(process.env.PORT || 2567);
 const app = express()
diff --git a/src/rooms/commands/BeginGameCommand.ts b/src/rooms/commands/BeginGameCommand.ts
index 5b14c3b..4609320 100644
--- a/src/rooms/commands/BeginGameCommand.ts
+++ b/src/rooms/commands/BeginGameCommand.ts
@@ -16,9 +16,7 @@ export class BeginGameCommand extends Command<CardGameState, {}> {
     execute() {
         this.state.cardQueue = gameUtil.initCardQue();
         for (let client of this.room.clients) {
-            let player = this.state.players.get(client.sessionId);
-            let cards = gameUtil.drawCard(this.state.cardQueue, player, singleton(GameEnv).initCardNum);
-            this.room.sDrawCard(client, {player: client.sessionId, cards});
+            this.room.addCard(client.sessionId, singleton(GameEnv).initCardNum, 0);
         }
         this.state.gameState = GameStateConst.STATE_CHANGE_CARD;
     }
diff --git a/src/rooms/commands/ChangeCardCommand.ts b/src/rooms/commands/ChangeCardCommand.ts
index 226a45d..aa61863 100644
--- a/src/rooms/commands/ChangeCardCommand.ts
+++ b/src/rooms/commands/ChangeCardCommand.ts
@@ -40,9 +40,7 @@ export class ChangeCardCommand extends Command<CardGameState, { client: Client,
             let curClient = this.room.clients[0];
             this.state.currentTurn = curClient.sessionId;
             this.state.round = 0;
-            let curPlayer = this.state.players.get(curClient.sessionId);
-            let cards = gameUtil.drawCard(this.state.cardQueue, curPlayer, singleton(GameEnv).roundDrawNum);
-            this.room.sDrawCard(curClient, {player: curClient.sessionId, cards})
+            this.room.addCard(curClient.sessionId, singleton(GameEnv).roundDrawNum, 0);
             this.state.gameState = GameStateConst.STATE_BEGIN_DRAW;
         }
     }
diff --git a/src/rooms/commands/DrawCommand.ts b/src/rooms/commands/DrawCommand.ts
index 744ce9b..39ce509 100644
--- a/src/rooms/commands/DrawCommand.ts
+++ b/src/rooms/commands/DrawCommand.ts
@@ -10,15 +10,6 @@ import gameUtil from "../../utils/game.util";
 export class DrawCommand extends Command<CardGameState, {}> {
     execute() {
         let sessionId = this.state.currentTurn;
-        let curPlayer = this.state.players.get(sessionId);
-        let curClient;
-        for (let client of this.room.clients) {
-            if (client.sessionId === sessionId) {
-                curClient = client;
-                break;
-            }
-        }
-        let cards = gameUtil.drawCard(this.state.cardQueue, curPlayer, singleton(GameEnv).roundDrawNum);
-        this.room.sDrawCard(curClient, {player: sessionId, cards})
+        this.room.addCard(sessionId, singleton(GameEnv).roundDrawNum, 0);
     }
 }