diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index 0ac817f7..76af022d 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -2,6 +2,8 @@ PODS:
   - countly_flutter (20.11.4):
     - Flutter
   - Flutter (1.0.0)
+  - flutter_icmp_ping (0.0.1):
+    - Flutter
   - path_provider_ios (0.0.1):
     - Flutter
   - r_upgrade (0.0.1):
@@ -12,6 +14,7 @@ PODS:
 DEPENDENCIES:
   - countly_flutter (from `.symlinks/plugins/countly_flutter/ios`)
   - Flutter (from `Flutter`)
+  - flutter_icmp_ping (from `.symlinks/plugins/flutter_icmp_ping/ios`)
   - path_provider_ios (from `.symlinks/plugins/path_provider_ios/ios`)
   - r_upgrade (from `.symlinks/plugins/r_upgrade/ios`)
   - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
@@ -21,6 +24,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/countly_flutter/ios"
   Flutter:
     :path: Flutter
+  flutter_icmp_ping:
+    :path: ".symlinks/plugins/flutter_icmp_ping/ios"
   path_provider_ios:
     :path: ".symlinks/plugins/path_provider_ios/ios"
   r_upgrade:
@@ -31,6 +36,7 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   countly_flutter: 38419412e193a1faa5babeb5d28a63fda260687d
   Flutter: 50d75fe2f02b26cc09d224853bb45737f8b3214a
+  flutter_icmp_ping: 07e508847df7fa9262d050bb0b203de074bbe517
   path_provider_ios: 7d7ce634493af4477d156294792024ec3485acd5
   r_upgrade: 44d715c61914cce3d01ea225abffe894fd51c114
   url_launcher_ios: 02f1989d4e14e998335b02b67a7590fa34f971af
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 2157d395..7af7ebd9 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -354,7 +354,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 84;
+				CURRENT_PROJECT_VERSION = 85;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -362,7 +362,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.84;
+				MARKETING_VERSION = 1.0.85;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -484,7 +484,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 84;
+				CURRENT_PROJECT_VERSION = 85;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -492,7 +492,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.84;
+				MARKETING_VERSION = 1.0.85;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -508,7 +508,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 84;
+				CURRENT_PROJECT_VERSION = 85;
 				DEVELOPMENT_TEAM = BA88US33G6;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
@@ -516,7 +516,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.0.84;
+				MARKETING_VERSION = 1.0.85;
 				PRODUCT_BUNDLE_IDENTIFIER = com.lollipopkit.toolbox;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
diff --git a/lib/data/res/build_data.dart b/lib/data/res/build_data.dart
index 3f1f5e90..a97c6fdb 100644
--- a/lib/data/res/build_data.dart
+++ b/lib/data/res/build_data.dart
@@ -2,9 +2,8 @@
 
 class BuildData {
   static const String name = "ServerBox";
-  static const int build = 84;
-  static const String engine =
-      "Flutter 2.8.1 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 77d935af4d (4 weeks ago) • 2021-12-16 08:37:33 -0800\nEngine • revision 890a5fca2e\nTools • Dart 2.15.1\n";
-  static const String buildAt = "2022-01-16 15:21:07.640484";
-  static const int modifications = 3;
+  static const int build = 85;
+  static const String engine = "Flutter 2.8.1 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 77d935af4d (5 weeks ago) • 2021-12-16 08:37:33 -0800\nEngine • revision 890a5fca2e\nTools • Dart 2.15.1\n";
+  static const String buildAt = "2022-01-18 13:38:59.083528";
+  static const int modifications = 1;
 }
diff --git a/lib/view/page/ping.dart b/lib/view/page/ping.dart
index 82122b6e..5b61a515 100644
--- a/lib/view/page/ping.dart
+++ b/lib/view/page/ping.dart
@@ -17,9 +17,8 @@ class _PingPageState extends State<PingPage>
     with AutomaticKeepAliveClientMixin {
   late TextEditingController _textEditingController;
   late TextEditingController _textEditingControllerResult;
-  late MediaQueryData _media;
   late String _result;
-  late Ping _ping;
+  Ping? _ping;
 
   @override
   void initState() {
@@ -34,7 +33,6 @@ class _PingPageState extends State<PingPage>
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();
-    _media = MediaQuery.of(context);
   }
 
   @override
@@ -58,7 +56,7 @@ class _PingPageState extends State<PingPage>
   void doPing() {
     _result = '';
     _ping = Ping(_textEditingController.text.trim());
-    _ping.stream.listen((event) {
+    _ping!.stream.listen((event) {
       final resp = event.response.toString();
       if (resp == 'null') return;
       _result += '$resp\n';
@@ -86,7 +84,7 @@ class _PingPageState extends State<PingPage>
                 ],
               ),
               onPressed: () {
-                _ping.stop();
+                if (_ping != null) _ping!.stop();
               },
             ),
             TextButton(
@@ -120,10 +118,7 @@ class _PingPageState extends State<PingPage>
   }
 
   Widget _buildResult() {
-    return SizedBox(
-      height: _media.size.height * 0.47,
-      child: _buildInput(_textEditingControllerResult, hint: 'Result here.'),
-    );
+    return _buildInput(_textEditingControllerResult, hint: 'Result here.');
   }
 
   Widget _buildInput(TextEditingController controller, {int maxLines = 20, String? hint}) {
diff --git a/lib/view/page/setting.dart b/lib/view/page/setting.dart
index 5ea752ad..a4d7f75b 100644
--- a/lib/view/page/setting.dart
+++ b/lib/view/page/setting.dart
@@ -182,6 +182,7 @@ class _SettingPageState extends State<SettingPage> {
 
   Widget _buildLaunchPage() {
     return ExpansionTile(
+      textColor: priColor,
       tilePadding: EdgeInsets.zero,
       childrenPadding: EdgeInsets.zero,
       title: const Text(
@@ -192,6 +193,7 @@ class _SettingPageState extends State<SettingPage> {
         constraints: BoxConstraints(maxWidth: _media.size.width * 0.35),
         child: Text(
           tabs[_launchPageIdx],
+          style: textStyle,
           textScaleFactor: 1.0,
           textAlign: TextAlign.right,
         ),
@@ -202,6 +204,7 @@ class _SettingPageState extends State<SettingPage> {
                 title: Text(
                   e,
                   style: TextStyle(
+                    fontSize: 14,
                       color: _theme.textTheme.bodyText2!.color!.withAlpha(177)),
                 ),
                 trailing: _buildRadio(tabs.indexOf(e)),