public async Task EncryptFile(String filePath, Guid guid)
        {
            FileInfo file       = new FileInfo(filePath);
            String   fileName   = file.FullName + "_" + guid.ToString() + ".aes";
            String   outputPath = Path.Combine(file.DirectoryName, fileName);

            encryptService.FileEncrypt(filePath, outputPath, Constant.DECRYPT);
        }