SysResult[List[ChatRoomGongGao]]

{
    "code": 200,
    "message": "string",
    "data": [
        {
            "gonggaoId": 0,
            "roomId": 0,
            "msg": "string",
            "editTime": "2019-08-24T14:15:22.123Z",
            "infoType": 0
        }
    ]
}