diff --git a/src/rooms/commands/GMCommand.ts b/src/rooms/commands/GMCommand.ts
index ceaa2c7..4c861fa 100644
--- a/src/rooms/commands/GMCommand.ts
+++ b/src/rooms/commands/GMCommand.ts
@@ -32,6 +32,9 @@ export class GMCommand extends Command<CardGameState, {client: Client, message:
             case 'setwin':
                 this.setWin(arr[1]);
                 break;
+            case 'changehero':
+                this.changeHero(arr[1]);
+                break;
             case 'help':
                 this.sendHelp(client, arr[1]);
                 break;
@@ -50,6 +53,7 @@ export class GMCommand extends Command<CardGameState, {client: Client, message:
         str += '更新英雄血量: herohp:玩家index|血量 例: herohp:0|500 \n';
         str += '生成几张特定效果的卡: addcard:玩家index|效果卡id|数量 例: addcard:0|20011|1\n';
         str += '将某一队设为赢家: setwin:队伍index 例: setwin:0\n';
+        str += '替换一个玩家的英雄: changehero:玩家index|heroid 例: changehero:3|30032\n';
         this.room.send(client,'notice_msg', str);
     }
 
@@ -86,6 +90,25 @@ export class GMCommand extends Command<CardGameState, {client: Client, message:
         let client = this.room.getClient(player.id);
         this.room.send(client,'sync_card', {}, {afterNextPatch: true});
     }
+    /**
+     * 将一个玩家的英雄变成指定的英雄
+     * changehero:玩家index|heroid
+     * changehero:0|30032
+     * @param msg
+     */
+    changeHero(msg: string) {
+        if (msg.indexOf('|') < 0) {
+            error(`错误的GM命令格式: ${msg}`);
+            return;
+        }
+        let arr = msg.split('|');
+        let playerIdx = parseInt(arr[0]);
+        let heroId = parseInt(arr[1]);
+        let player = this.getPlayerByIdx(playerIdx);
+        player.heroId = heroId;
+        let client = this.room.getClient(player.id);
+        this.room.send(client,'sync_hero', {playerid: player.id, heroid: heroId}, {afterNextPatch: true});
+    }
 
     /**
      * 将牌组中的卡全部变成指定的效果卡