diff --git a/lib/features/config_option/model/config_option_entity.dart b/lib/features/config_option/model/config_option_entity.dart
index 1c99e0f2..bfa82697 100644
--- a/lib/features/config_option/model/config_option_entity.dart
+++ b/lib/features/config_option/model/config_option_entity.dart
@@ -24,7 +24,7 @@ class ConfigOptionEntity with ConfigOptionEntityMappable {
     this.logLevel = LogLevel.warn,
     this.resolveDestination = false,
     this.ipv6Mode = IPv6Mode.disable,
-    this.remoteDnsAddress = "http://1.1.1.1",
+    this.remoteDnsAddress = "udp://1.1.1.1",
     this.remoteDnsDomainStrategy = DomainStrategy.auto,
     this.directDnsAddress = "1.1.1.1",
     this.directDnsDomainStrategy = DomainStrategy.auto,
@@ -43,11 +43,11 @@ class ConfigOptionEntity with ConfigOptionEntityMappable {
     this.enableDnsRouting = true,
     this.independentDnsCache = true,
     this.enableTlsFragment = false,
-    this.tlsFragmentSize = const OptionalRange(min: 10, max: 100),
-    this.tlsFragmentSleep = const OptionalRange(min: 50, max: 200),
+    this.tlsFragmentSize = const OptionalRange(min: 1, max: 500),
+    this.tlsFragmentSleep = const OptionalRange(min: 1, max: 500),
     this.enableTlsMixedSniCase = false,
     this.enableTlsPadding = false,
-    this.tlsPaddingSize = const OptionalRange(min: 100, max: 200),
+    this.tlsPaddingSize = const OptionalRange(min: 1, max: 1500),
     this.enableMux = false,
     this.muxPadding = false,
     this.muxMaxStreams = 8,