oken');
      }
      if (!token) {
        token = prompt('Token: ');
        localStorage.setItem('token', token);
      }
      const initialPrograms = [
        {name: '示例 1', learned: true, indexInBackup: 0, content: '向右 1 步\n拿起 1 个物品\n向下 2 步\n放下 1 个物品\n向下 1 步\n放下盘子'},
        {name: '示例 2', learned: true, indexInBackup: 1, content: '向右 1 步\n拿起 10 个物品\n向下 1 步\n向左 1 步\n放下 1 个物品'},
        {name: '示例 3', learn