fix: some bugs in configs and fix core bugs

lib/features/config_option/data/config_option_repository.dart

@@ -45,19 +45,19 @@ abstract class ConfigOptions {
 
   static final resolveDestination = PreferencesNotifier.create<bool, bool>(
     "resolve-destination",
-    true,
+    false,
   );
 
   static final ipv6Mode = PreferencesNotifier.create<IPv6Mode, String>(
     "ipv6-mode",
-    IPv6Mode.enable,
+    IPv6Mode.disable,
     mapFrom: (value) => IPv6Mode.values.firstWhere((e) => e.key == value),
     mapTo: (value) => value.key,
   );
 
   static final remoteDnsAddress = PreferencesNotifier.create<String, String>(
     "remote-dns-address",
-    "udp://1.1.1.1",
+    "https://sky.rethinkdns.com/dns-query",
     validator: (value) => value.isNotBlank,
   );