async def instance_monitor(ns={}):
    """
    云服务器监控
    """
    import aiohttp
    ecs_url = 'http://api.capitalonline.net/ecs/v1'
    action = "DescribeInstanceMonitor"
    method = "POST"
    body = {
        "EcsId": ns.get("EcsId"),
        "StartTime": ns.get("StartTime"),
        "EndTime": ns.get("EndTime"),
        "Indicators": json.loads(ns.get("Indicators")) if ns.get("Indicators") else [],
    }
    param = {}
    url = get_signature(action, method, ecs_url, param)
    async with aiohttp.ClientSession() as session:
        async with session.request(method, url, json=body) as response:
            resp = await response.text()
            result = json.loads(resp)
            if 'Message' in result.keys():
                key_word = 'Message'
            else:
                key_word = 'Msg'
            if result['Code'] == 'Success':
                result['status'] = True
                result.pop('Code')
                result['data'] = result.pop('Data')
                result['msg'] = result.pop(key_word)
            else:
                result['status'] = False
                result['msg'] = result.pop(key_word)
            return result
            
ret = await instance_monitor(params_kw)
return ret