如果state.round为空, 那么设为0

src/rooms/commands/BeginGameCommand.ts

@@ -63,7 +63,7 @@ export class BeginGameCommand extends Command<CardGameState, {}> {
     const cardChangeTime = new GameEnv().cardChangeTime
     await this.delay(cardChangeTime * 1000)
     if (this.state.gameState == GameStateConst.STATE_CHANGE_CARD) {
-      if (this.state.mode === 4) {
+      if (this.state.mode !== 4) {
         return [new NextTurnCommand()]
       } else {
         return [new DiceNextTurnCommand()]

src/rooms/commands/DiceNextTurnCommand.ts

@@ -5,6 +5,9 @@ import { DiceDrawCommand } from './DiceDrawCommand'
 
 export class DiceNextTurnCommand extends Command<CardGameState, {}> {
   async execute() {
+    if (this.state.round == undefined) {
+      this.state.round = 0
+    }
     this.state.round += 1
     this.state.updateGameState(GameStateConst.STATE_DICE_TURN)
     for (let [,player] of this.state.players) {