public async Task Save_Test()
        {
            var containerName = "b2b";
            var blobName      = "appsettings.json";
            var tenantId      = Guid.NewGuid();

            var file = new FileStream("appsettings.json", FileMode.Open);

            using (_currentTenant.Change(tenantId, "test"))
            {
                var blod = _calculator.Calculate(GetArgs(containerName, blobName));
                var tt   = new BlobProviderSaveArgs(
                    containerName,
                    new BlobContainerConfiguration().UseTencentCloudCos(cos =>
                {
                    //cos.AppId = "";
                    //cos.SecretId = "";
                    //cos.SecretKey = "";
                    //cos.ContainerName = "";
                    cos.Region = EnumUtils.GetValue(CosRegion.AP_Guangzhou);
                }),
                    blobName,
                    file, true
                    );
                await _blob.SaveAsync(tt);
            }
        }