public void run() {
   int j;
   while (true) {
     try {
       CountDownSem.acquire();
       if (title.getTurn() == 0) // 刚开始游戏,初始化题目
       {
         for (j = 0; j <= 5; j++) {
           if (!players[j].equals("虚位以待")) break;
         }
         title.setDrawer(players[j]);
         title.setId(j + 1);
         title.setTurn(1);
         title.randomkey();
         broadcast(6, title);
         broadcast(11, scores);
       }
       broadcast(2, "-------回合开始-------\n");
       timeVoid();
     } catch (InterruptedException e) {
       e.printStackTrace();
     }
   }
 }