protected override void OnStartView()
        {
            base.OnStartView();
            var leftTopPosition = GetNodeUILeftTop(gameObject);

            Debug.Log("ScreenHeight = " + leftTopPosition.ToString());

            _webView = new WebViewWindow();
            bool result = _webView.Initialize();
            if (result)
            {
                _webView.Navigating += OnNavigating;
                _webView.Navigated += OnNavigated;
                _webView.NavigateError += OnNavigateError;

                _webView.SetPosition(leftTopPosition.x, leftTopPosition.y, rectTransform.rect.width, rectTransform.rect.height);

                _webView.Navigate("https://www.baidu.com");

                int i = 0;
                ++i;
            }
            else
            {
                _webView = null;
            }
        }
 void Destory()
 {
     if (_webView != null)
     {
         _webView.Destroy();
         _webView = null;
     }
 }