Fix windows some issues

Optimize overwrite handle

Optimize access control page

Optimize some details

lib/manager/vpn_manager.dart

@@ -1,5 +1,6 @@
 import 'package:fl_clash/common/common.dart';
 import 'package:fl_clash/enum/enum.dart';
+import 'package:fl_clash/models/models.dart';
 import 'package:fl_clash/providers/state.dart';
 import 'package:fl_clash/state.dart';
 import 'package:flutter/material.dart';
@@ -19,17 +20,29 @@ class _VpnContainerState extends ConsumerState<VpnManager> {
   void initState() {
     super.initState();
     ref.listenManual(vpnStateProvider, (prev, next) {
-      showTip();
+      if (prev != next) {
+        showTip(next);
+      }
     });
   }
 
-  void showTip() {
+  void showTip(VpnState state) {
     throttler.call(
       FunctionTag.vpnTip,
       () {
-        if (ref.read(isStartProvider)) {
-          globalState.showNotifier(appLocalizations.vpnTip);
+        if (!ref.read(isStartProvider) || state == globalState.lastVpnState) {
+          return;
         }
+        globalState.showNotifier(
+          appLocalizations.vpnConfigChangeDetected,
+          actionState: MessageActionState(
+            actionText: appLocalizations.restart,
+            action: () async {
+              await globalState.handleStop();
+              await globalState.appController.updateStatus(true);
+            },
+          ),
+        );
       },
       duration: const Duration(seconds: 6),
       fire: true,