/// <summary>
 /// 初始化
 /// </summary>
 /// <param name="contentType">响应正文内容类型</param>
 /// <param name="bytes">是否已经初始化完成</param>
 public LazyDeserializeBodyParameters(HttpContentType contentType, byte[] bytes)
 {
     _contentType   = contentType;
     _bytes         = bytes;
     _isInitialized = false;
 }