diff --git a/Makefile.toml b/Makefile.toml
index c468104..df6d1a7 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -1,7 +1,7 @@
 [env]
 CARGO_MAKE_EXTEND_WORKSPACE_MAKEFILE = true
 CARGO_MAKE_WORKSPACE_INCLUDE_MEMBERS = ["native/dubp_rs"]
-ANDROID_PLATFORM_VERSION = "22"
+ANDROID_PLATFORM_VERSION = "21"
 TARGET_OS = "unknown"
 RELEASE = true
 DEV = false
diff --git a/lib/main.dart b/lib/main.dart
index f84ff3b..0b3fdc6 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,6 +1,4 @@
 import 'dart:async';
-
-import 'package:dubp/dubp.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/models/cesiumPlus.dart';
 import 'package:gecko/models/changePin.dart';
@@ -87,17 +85,6 @@ class Gecko extends StatelessWidget {
         link: _httpLink,
       ),
     );
-    try {
-      DubpRust.setup();
-    } catch (e, stack) {
-      print(e);
-      if (kReleaseMode) {
-        Sentry.captureException(
-          e,
-          stackTrace: stack,
-        );
-      }
-    }
 
     // HistoryProvider _historyProvider = Provider.of<HistoryProvider>(context);
     // HistoryProvider('').snackNode(context);
diff --git a/lib/screens/home.dart b/lib/screens/home.dart
index e0c7f14..54afc88 100644
--- a/lib/screens/home.dart
+++ b/lib/screens/home.dart
@@ -1,3 +1,4 @@
+import 'package:dubp/dubp.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/models/history.dart';
 import 'package:gecko/models/home.dart';
@@ -111,6 +112,7 @@ class HomeScreen extends StatelessWidget {
             builder: (ctx) => StatefulWrapper(
                   onInit: () {
                     WidgetsBinding.instance.addPostFrameCallback((_) {
+                      DubpRust.setup();
                       _historyStatic.snackNode(ctx);
                     });
                   },
@@ -124,10 +126,10 @@ class HomeScreen extends StatelessWidget {
                               Image(
                                   image:
                                       AssetImage('assets/icon/gecko_final.png'),
-                                  height: 180),
+                                  height: 160),
                             ])),
                     Padding(
-                        padding: EdgeInsets.only(top: 15),
+                        padding: EdgeInsets.only(top: 12),
                         child: Row(
                             mainAxisAlignment: MainAxisAlignment.center,
                             children: <Widget>[
@@ -139,7 +141,7 @@ class HomeScreen extends StatelessWidget {
                               )
                             ])),
                     Padding(
-                        padding: EdgeInsets.only(top: 60),
+                        padding: EdgeInsets.only(top: 40),
                         child: Row(
                             mainAxisAlignment: MainAxisAlignment.center,
                             children: <Widget>[
@@ -156,7 +158,7 @@ class HomeScreen extends StatelessWidget {
                                               child: Image(
                                                   image: AssetImage(
                                                       'assets/qrcode-scan.png'),
-                                                  height: 58)),
+                                                  height: 50)),
                                           onTap: () async {
                                             await _historyProvider
                                                 .scan(context);
@@ -185,7 +187,7 @@ class HomeScreen extends StatelessWidget {
                               ])
                             ])),
                     Padding(
-                        padding: EdgeInsets.only(top: 60),
+                        padding: EdgeInsets.only(top: 40),
                         child: Row(
                             mainAxisAlignment: MainAxisAlignment.center,
                             children: <Widget>[
@@ -203,7 +205,7 @@ class HomeScreen extends StatelessWidget {
                                               child: Image(
                                                   image: AssetImage(
                                                       'assets/blockchain.png'),
-                                                  height: 65)),
+                                                  height: 55)),
                                           onTap: () {}),
                                     ),
                                   ),
@@ -227,7 +229,7 @@ class HomeScreen extends StatelessWidget {
                                       color: Colors.black, fontSize: 13),
                                 )
                               ]),
-                              SizedBox(width: 140),
+                              SizedBox(width: 100),
                               Column(children: <Widget>[
                                 Container(
                                   child: ClipOval(
@@ -241,7 +243,7 @@ class HomeScreen extends StatelessWidget {
                                               child: Image(
                                                   image: AssetImage(
                                                       'assets/lock.png'),
-                                                  height: 50)),
+                                                  height: 45)),
                                           onTap: () {
                                             Navigator.push(
                                               context,
diff --git a/pubspec.yaml b/pubspec.yaml
index ecc162e..cd6a70f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ description: A new Flutter project.
 # pub.dev using `pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
-version: 0.0.1+14
+version: 0.0.1+16
 
 environment:
   sdk: ">=2.7.0 <3.0.0"