[
  {
    "key": "max_word",
    "value": 200,
    "dec": "输入框最大字数为value"
  },
  {
    "key": "max_chat",
    "value": 99,
    "dec": "最大保存条数为value"
  },
  {
    "key": "max_object",
    "value": 50,
    "dec": "最大私聊对象数为value"
  },
  {
    "key": "load_chat",
    "value": 10,
    "dec": "加入或切换跨服频道时，请求最近value条历史消息"
  },
  {
    "key": "channel_allocation_max",
    "value": 2000,
    "dec": "频道大于value人时不再继续分配"
  },
  {
    "key": "channel_switching_max",
    "value": 3000,
    "dec": "频道大于value人时不再接受手动切换到该频道"
  }
]