diff --git a/src/global.d.ts b/src/global.d.ts
index 5dfee79..169b430 100644
--- a/src/global.d.ts
+++ b/src/global.d.ts
@@ -67,10 +67,14 @@ declare module "colyseus" {
 
         /**
          * 广播的消息列表
+         * 例:
+         * let datas:IMsg[] = [];
+         * datas.push({errcode: 0, data: {pid: 1}});
+         * this.room.bMsgQueue(datas);
          * @param datas
          * @param options
          */
-        bMsgQueue(datas: IMsg[], options: any): void;
+        bMsgQueue(datas: IMsg[], options?: any): void;
     }
 }
 
diff --git a/src/rooms/commands/DiscardCommand.ts b/src/rooms/commands/DiscardCommand.ts
index b2325bd..3b6895f 100644
--- a/src/rooms/commands/DiscardCommand.ts
+++ b/src/rooms/commands/DiscardCommand.ts
@@ -47,7 +47,6 @@ export class DiscardCommand extends Command<CardGameState, { client: Client, car
          * 如果出一张牌的话, 进入胡牌轮
          * 否则直接进入选随从轮
          */
-
         if (cards.length === 1) {
             return [new NextSubCommand()];
         } else {