/// <summary>
/// 执行请求，异步方法
/// </summary>
/// <returns></returns>
public async Task <string> ExcuteAsync()
{
InputRequestDto dto = new InputRequestDto();
dto.AppKey = _appKey;
dto.Method = _method;
dto.BizContent = _bizContent;
//计算签名
var dictionary = dto.ToJson().FromJson <Dictionary <string, string> >();
dictionary.Remove("sign");
var signJson = dictionary.ToJson();
var data = signJson.ToCharArray();
Array.Sort(data);
var inputSignOriginalStr = new string(data) + _sysSecret;
var sign = Md5Encrypt.GetMd5(inputSignOriginalStr).ToLower();
dto.Sign = sign;
var value = await _fuluClient.SendAsync(dto.ToJson());
return(value);
}
