修改返回问题

lib/custom_webview/view_model/web_view_model.dart

@@ -9,17 +9,20 @@ import '../widgets/scaffold_webview.dart';
 sealed class CLXWebViewBaseWebViewModel extends ChangeNotifier {
   CLXWebViewBaseWebViewModel.loadRequest({required Uri requestedUrl}) {
     _controller = WebViewController();
+    _controller.setJavaScriptMode(JavaScriptMode.unrestricted);
     _controller.loadRequest(requestedUrl);
   }
 
   CLXWebViewBaseWebViewModel.loadHtmlString(
       {required String html, String? baseUrl}) {
     _controller = WebViewController();
+    _controller.setJavaScriptMode(JavaScriptMode.unrestricted);
     _controller.loadHtmlString(html, baseUrl: baseUrl);
   }
 
   CLXWebViewBaseWebViewModel.loadFile({required String absoluteFilePath}) {
     _controller = WebViewController();
+    _controller.setJavaScriptMode(JavaScriptMode.unrestricted);
     _controller.loadFile(absoluteFilePath);
   }
 

lib/custom_webview/widgets/scaffold_webview.dart

@@ -23,6 +23,7 @@ class ScaffoldWebViewState extends State<ScaffoldWebView> {
 
   @override
   Widget build(BuildContext context) {
+    
     return Scaffold(
       backgroundColor: Colors.white,
       appBar: widget.customController.appBar,