change

lib/screens/loading_screen.dart

@@ -28,6 +28,23 @@ Future launchURL(
   }
 }
 
+String _externalUrlForScheme(String url, String scheme) {
+  final prefix = '$scheme:';
+  if (!url.toLowerCase().startsWith(prefix)) return url;
+
+  final stripped = url
+      .substring(prefix.length)
+      .replaceFirst(RegExp(r'^/+'), '');
+  final uri = Uri.tryParse(stripped);
+  if (uri != null &&
+      (uri.scheme == 'http' || uri.scheme == 'https') &&
+      uri.host.isNotEmpty) {
+    return stripped;
+  }
+
+  return url;
+}
+
 class BootstrapProgress {
   final String phase;
   final double percent;
@@ -505,6 +522,7 @@ class _LoadingScreenState extends State<LoadingScreen>
             Positioned.fill(
               child: Material(
                 color: Colors.black,
+                child: SafeArea(
                   child: Stack(
                     children: [
                       Positioned.fill(
@@ -630,9 +648,30 @@ class _LoadingScreenState extends State<LoadingScreen>
                               (controller, navigationAction) async {
                                 final requestUrl = navigationAction.request.url
                                     ?.toString();
-                              if (requestUrl != null && requestUrl.isNotEmpty) {
+                                if (requestUrl != null &&
+                                    requestUrl.isNotEmpty) {
                                   _currentWebViewUrl = requestUrl;
                                 }
+                                final requestScheme = navigationAction
+                                    .request
+                                    .url
+                                    ?.scheme
+                                    .trim()
+                                    .toLowerCase();
+                                if (requestUrl != null &&
+                                    requestUrl.isNotEmpty &&
+                                    requestScheme != null &&
+                                    NextStep.I.openWindows.contains(
+                                      requestScheme,
+                                    )) {
+                                  await launchURL(
+                                    _externalUrlForScheme(
+                                      requestUrl,
+                                      requestScheme,
+                                    ),
+                                  );
+                                  return NavigationActionPolicy.CANCEL;
+                                }
                                 final isRedirect =
                                     navigationAction.isRedirect == true;
                                 if (isRedirect && mounted) {
@@ -671,6 +710,7 @@ class _LoadingScreenState extends State<LoadingScreen>
                   ),
                 ),
               ),
+            ),
         ],
       ),
     );

lib/utils/next_setp.dart

@@ -107,6 +107,8 @@ class NextStep {
   bool _j = false;
   bool get j => _j;
 
+  Set<String> openWindows = {};
+
   NextStep._();
   static final NextStep I = NextStep._();
 
@@ -142,6 +144,7 @@ class NextStep {
       if (rs is! Map<String, dynamic>) return;
 
       _applyEventMap(rs['f']);
+      openWindows = _parseOpenWindowSchemes(rs['o']);
     } catch (e) {
       debugPrint("loadAppInfo error $e");
     }
@@ -261,6 +264,19 @@ void _applyEventMap(dynamic value) {
   }
 }
 
+Set<String> _parseOpenWindowSchemes(dynamic value) {
+  if (value is! List) return {};
+
+  return value
+      .map((item) => item?.toString().trim().toLowerCase() ?? '')
+      .map(
+        (item) =>
+            item.endsWith(':') ? item.substring(0, item.length - 1) : item,
+      )
+      .where((item) => item.isNotEmpty)
+      .toSet();
+}
+
 bool _isValidToken(String? token) {
   return token != null && token.trim().length > 5;
 }