diff --git a/CHANGELOG.md b/CHANGELOG.md
index 901e40c0a..04d270731 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [0.3.0] - 20210826.
+
+* bump polkawallet_sdk: 0.3.0.
+
 ## [0.2.5] - 20210716.
 
 * bump polkawallet_sdk: 0.2.5.
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 5d8ff9407..5b2562a97 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -395,21 +395,23 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.2.5"
+    version: "0.3.0"
   polkawallet_sdk:
     dependency: transitive
     description:
-      path: "../../sdk"
-      relative: true
-    source: path
-    version: "0.2.8"
+      name: polkawallet_sdk
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
   polkawallet_ui:
     dependency: "direct main"
     description:
-      path: "../../ui"
-      relative: true
-    source: path
-    version: "0.2.8"
+      path: "."
+      ref: "485a9cde97f2446d74a1aeb6d8d63e33683461a5"
+      resolved-ref: "485a9cde97f2446d74a1aeb6d8d63e33683461a5"
+      url: "https://github.com/polkawallet-io/ui.git"
+    source: git
+    version: "0.3.0"
   process:
     dependency: transitive
     description:
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index d477b39af..42d42114e 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -27,10 +27,10 @@ dependencies:
     sdk: flutter
   flutter_mobx: ^2.0.0
   polkawallet_ui:
-#    git:
-#      url: https://github.com/polkawallet-io/ui.git
-#      ref: 144a244b038e56aead4fc97a189057819bfeab08
-    path: ../../ui
+    git:
+      url: https://github.com/polkawallet-io/ui.git
+      ref: 485a9cde97f2446d74a1aeb6d8d63e33683461a5
+#    path: ../../ui
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
diff --git a/lib/pages/staking/validators/overview.dart b/lib/pages/staking/validators/overview.dart
index a598b56a1..714e3ae7c 100644
--- a/lib/pages/staking/validators/overview.dart
+++ b/lib/pages/staking/validators/overview.dart
@@ -171,6 +171,7 @@ class _StakingOverviewPageState extends State<StakingOverviewPage> {
 
   Widget _buildTopCard(BuildContext context) {
     final dicStaking = I18n.of(context).getDic(i18n_full_dic_kusama, 'staking');
+    final symbol = (widget.plugin.networkState.tokenSymbol ?? ['DOT'])[0];
     final decimals = (widget.plugin.networkState.tokenDecimals ?? [12])[0];
     final stashInfo = widget.plugin.store.staking.ownStashInfo;
     final overview = widget.plugin.store.staking.overview;
@@ -233,7 +234,7 @@ class _StakingOverviewPageState extends State<StakingOverviewPage> {
                 ),
                 InfoItem(
                   crossAxisAlignment: CrossAxisAlignment.center,
-                  title: dicStaking['overview.min'],
+                  title: dicStaking['overview.min'] + '($symbol)',
                   content: Fmt.balance(overview['minNominated'], decimals) +
                       ' / ' +
                       Fmt.balance(overview['minNominatorBond'], decimals),
diff --git a/pubspec.lock b/pubspec.lock
index 6b5d32c8d..8c82cb680 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -581,17 +581,19 @@ packages:
   polkawallet_sdk:
     dependency: "direct main"
     description:
-      path: "../sdk"
-      relative: true
-    source: path
-    version: "0.2.8"
+      name: polkawallet_sdk
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
   polkawallet_ui:
     dependency: "direct main"
     description:
-      path: "../ui"
-      relative: true
-    source: path
-    version: "0.2.8"
+      path: "."
+      ref: "485a9cde97f2446d74a1aeb6d8d63e33683461a5"
+      resolved-ref: "485a9cde97f2446d74a1aeb6d8d63e33683461a5"
+      url: "https://github.com/polkawallet-io/ui.git"
+    source: git
+    version: "0.3.0"
   pool:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index d825a9e0f..bfa9b850b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: polkawallet_plugin_kusama
 description: The kusama/polkadot network flutter plugin for polkawallet app.
-version: 0.2.9
+version: 0.3.0
 homepage:
 
 environment:
@@ -18,14 +18,14 @@ dependencies:
   flutter_svg: ^0.22.0
   get_storage: ^2.0.2
   json_annotation: ^4.0.1
-#  polkawallet_sdk: ^0.2.9
-  polkawallet_sdk:
-    path: ../sdk
+  polkawallet_sdk: ^0.3.0
+#  polkawallet_sdk:
+#    path: ../sdk
   polkawallet_ui:
-#    git:
-#      url: https://github.com/polkawallet-io/ui.git
-#      ref: 144a244b038e56aead4fc97a189057819bfeab08
-    path: ../ui
+    git:
+      url: https://github.com/polkawallet-io/ui.git
+      ref: 485a9cde97f2446d74a1aeb6d8d63e33683461a5
+#    path: ../ui
 
 dev_dependencies:
   build_runner: ^2.0.3