         super.viewWillAppear(animated)
         // Hide the navigation bar on the this view controller
         navigationController?.setNavigationBarHidden(true, animated: animated)
-        loadWebView(force: true)
+        loadWebView(force: false)
     }
 
     override func viewWillDisappear(_ animated: Bool) {

//        guard let loginData = authStr.data(using: String.Encoding.utf8) else {
//            return
//        }
        //let base64LoginString = loginData.base64EncodedString()
        if let url = URL(string: urlString) {
            let  request = URLRequest(url: url)
            // request.setValue("Basic \(base64LoginString)", forHTTPHeaderField: "Authorization")
            webView?.load(request)
        }

        // webView?.scrollView.isScrollEnabled = false
        webView?.scrollView.bounces = false
        webView?.navigationDelegate = self
        // support dark mode and avoid white flashing when loading
        webView?.isOpaque = false
        webView?.backgroundColor = UIColor.clear
        view.addSubview(webView!)
    }

