diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc3b88c6..f9a17af5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -34,4 +34,11 @@
 - Add Edgeware network support.
 - Update ChainX plugin.
 - Update Laminar plugin to TC3.
+- Fix known Bugs.
+
+# 2.0.5-beta
+- Update Acala swap & loan UI.
+- Remove Kusama council module.
+- Update Edgeware Update.
+- Update ChainX plugin.
 - Fix known Bugs.
\ No newline at end of file
diff --git a/assets/images/public/kar_crowd_loan.jpg b/assets/images/public/kar_crowd_loan.jpg
new file mode 100644
index 00000000..c1208399
Binary files /dev/null and b/assets/images/public/kar_crowd_loan.jpg differ
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 7a20942f..fd735789 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 = 1;
+				CURRENT_PROJECT_VERSION = 3;
 				DEVELOPMENT_TEAM = WQ5H736A22;
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -370,7 +370,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				MARKETING_VERSION = 2.0.4;
+				MARKETING_VERSION = 2.0.5;
 				PRODUCT_BUNDLE_IDENTIFIER = io.polkawallet.polkawallet;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -493,7 +493,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 1;
+				CURRENT_PROJECT_VERSION = 3;
 				DEVELOPMENT_TEAM = WQ5H736A22;
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -509,7 +509,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				MARKETING_VERSION = 2.0.4;
+				MARKETING_VERSION = 2.0.5;
 				PRODUCT_BUNDLE_IDENTIFIER = io.polkawallet.polkawallet;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -526,7 +526,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				CURRENT_PROJECT_VERSION = 1;
+				CURRENT_PROJECT_VERSION = 3;
 				DEVELOPMENT_TEAM = WQ5H736A22;
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -542,7 +542,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				MARKETING_VERSION = 2.0.4;
+				MARKETING_VERSION = 2.0.5;
 				PRODUCT_BUNDLE_IDENTIFIER = io.polkawallet.polkawallet;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
diff --git a/lib/app.dart b/lib/app.dart
index 9c307b4f..5e2a8457 100644
--- a/lib/app.dart
+++ b/lib/app.dart
@@ -8,6 +8,7 @@ import 'package:app/pages/assets/asset/assetPage.dart';
 import 'package:app/pages/assets/transfer/detailPage.dart';
 import 'package:app/pages/assets/transfer/transferPage.dart';
 import 'package:app/pages/public/guidePage.dart';
+import 'package:app/pages/public/adPage.dart';
 import 'package:app/pages/homePage.dart';
 import 'package:app/pages/networkSelectPage.dart';
 import 'package:app/pages/profile/aboutPage.dart';
@@ -268,6 +269,15 @@ class _WalletAppState extends State<WalletApp> {
   }
 
   Future<void> _showGuide(BuildContext context, GetStorage storage) async {
+    // todo: remove this after crowd loan
+    final karStarted = await WalletApi.getKarCrowdLoanStarted();
+    if (karStarted != null && karStarted['result']) {
+      storage.write(kar_crowd_loan_api_key,
+          '${karStarted['endpoint']}|${karStarted['subscribe']}');
+      Navigator.of(context).pushNamed(AdPage.route);
+      return;
+    }
+
     final storeKey = '${show_guide_status_key}_$app_beta_version';
     final showGuideStatus = storage.read(storeKey);
     if (showGuideStatus == null) {
@@ -381,6 +391,7 @@ class _WalletAppState extends State<WalletApp> {
       WalletConnectSignPage.route: (_) =>
           WalletConnectSignPage(_service, _service.account.getPassword),
       GuidePage.route: (_) => GuidePage(),
+      AdPage.route: (_) => AdPage(),
       KarCrowdLoanPage.route: (_) => KarCrowdLoanPage(_service, _connectedNode),
       KarCrowdLoanFormPage.route: (_) =>
           KarCrowdLoanFormPage(_service, _connectedNode),
@@ -423,7 +434,7 @@ class _WalletAppState extends State<WalletApp> {
   @override
   Widget build(_) {
     return MaterialApp(
-      title: 'Polkawallet Plugin Kusama Demo',
+      title: 'Polkawallet',
       theme: _theme ??
           _getAppTheme(
             widget.plugins[0].basic.primaryColor,
diff --git a/lib/common/consts.dart b/lib/common/consts.dart
index b18fa9aa..319f3a44 100644
--- a/lib/common/consts.dart
+++ b/lib/common/consts.dart
@@ -15,8 +15,9 @@ const prefixList = [
 
 /// app versions
 enum BuildTargets { apk, playStore, dev }
-const String app_beta_version = 'v2.0.4-beta.1';
-const int app_beta_version_code = 2041;
+const String app_beta_version = 'v2.0.5-beta.3';
+const int app_beta_version_code = 2053;
 
 const show_guide_status_key = 'show_guide_status';
 const show_banner_status_key = 'show_banner_status';
+const kar_crowd_loan_api_key = 'kar_crowd_loan_api';
diff --git a/lib/pages/assets/transfer/transferPage.dart b/lib/pages/assets/transfer/transferPage.dart
index 0603ad48..896021af 100644
--- a/lib/pages/assets/transfer/transferPage.dart
+++ b/lib/pages/assets/transfer/transferPage.dart
@@ -100,9 +100,11 @@ class _TransferPageState extends State<TransferPage> {
     final txInfo = TxInfoData('balances', 'transfer', sender);
     final fee = await widget.service.plugin.sdk.api.tx.estimateFees(
         txInfo, [widget.service.keyring.current.address, '10000000000']);
-    setState(() {
-      _fee = fee;
-    });
+    if (mounted) {
+      setState(() {
+        _fee = fee;
+      });
+    }
     return fee.partialFee.toString();
   }
 
@@ -221,6 +223,7 @@ class _TransferPageState extends State<TransferPage> {
                         key: ValueKey<KeyPairData>(_accountTo),
                       ),
                       TextFormField(
+                        autovalidateMode: AutovalidateMode.onUserInteraction,
                         decoration: InputDecoration(
                           hintText: dic['amount'],
                           labelText:
diff --git a/lib/pages/public/AdBanner.dart b/lib/pages/public/AdBanner.dart
index dddc603d..60fba344 100644
--- a/lib/pages/public/AdBanner.dart
+++ b/lib/pages/public/AdBanner.dart
@@ -1,7 +1,6 @@
 import 'dart:async';
 
 import 'package:app/common/consts.dart';
-import 'package:app/main.dart';
 import 'package:app/pages/public/karCrowdLoanPage.dart';
 import 'package:app/service/walletApi.dart';
 import 'package:app/utils/i18n/index.dart';
@@ -61,10 +60,7 @@ class _AdBannerState extends State<AdBanner> {
     super.initState();
 
     WidgetsBinding.instance.addPostFrameCallback((_) {
-      // todo: only available in dev now
-      if (widget.service.buildTarget == BuildTargets.dev) {
-        _getCrowdLoanStarted();
-      }
+      _getCrowdLoanStarted();
     });
   }
 
diff --git a/lib/pages/public/adPage.dart b/lib/pages/public/adPage.dart
new file mode 100644
index 00000000..bb3bb920
--- /dev/null
+++ b/lib/pages/public/adPage.dart
@@ -0,0 +1,140 @@
+import 'dart:async';
+
+import 'package:app/utils/i18n/index.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:polkawallet_sdk/utils/i18n.dart';
+import 'package:polkawallet_ui/components/roundedButton.dart';
+
+class AdPage extends StatefulWidget {
+  static final String route = '/guide/ad';
+  @override
+  _AdPageState createState() => _AdPageState();
+}
+
+class _AdPageState extends State<AdPage> {
+  int _timerCount = 10;
+
+  void _updateTimer() {
+    if (_timerCount > 0) {
+      setState(() {
+        _timerCount -= 1;
+      });
+
+      Timer(Duration(seconds: 1), () {
+        _updateTimer();
+      });
+    } else {
+      Navigator.of(context).pop();
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+
+    _updateTimer();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final dic = I18n.of(context).getDic(i18n_full_dic_app, 'account');
+    return Scaffold(
+      backgroundColor: Theme.of(context).cardColor,
+      body: Stack(
+        children: [
+          Container(
+            width: double.infinity,
+            height: MediaQuery.of(context).size.height,
+            decoration: BoxDecoration(
+              image: DecorationImage(
+                image: AssetImage("assets/images/public/kar_crowd_loan.jpg"),
+                fit: BoxFit.cover,
+              ),
+            ),
+          ),
+          Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Container(
+                margin: EdgeInsets.only(top: 64, left: 24),
+                child: Text('KARURA Parachain Auction',
+                    style: TextStyle(
+                        fontSize: 22,
+                        color: Theme.of(context).cardColor,
+                        fontWeight: FontWeight.bold)),
+              ),
+              Expanded(
+                child: Container(
+                  margin: EdgeInsets.only(top: 8, left: 24, right: 24),
+                  child: KarCrowdLoanTitleSet(),
+                ),
+              ),
+              Container(
+                margin: EdgeInsets.all(24),
+                child: RoundedButton(
+                  text: '${dic['guide.enter']} (${_timerCount}s)',
+                  onPressed: () => Navigator.of(context).pop(true),
+                ),
+              )
+            ],
+          )
+        ],
+      ),
+    );
+  }
+}
+
+class KarCrowdLoanTitleSet extends StatelessWidget {
+  KarCrowdLoanTitleSet({this.finished = false});
+  final bool finished;
+  @override
+  Widget build(BuildContext context) {
+    final cardColor = Theme.of(context).cardColor;
+    final karColor = Colors.red;
+    final dic = I18n.of(context).getDic(i18n_full_dic_app, 'public');
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Container(
+          child: Stack(
+            children: [
+              Padding(
+                padding: EdgeInsets.only(left: 4, top: 2),
+                child: Row(
+                  children: [
+                    Expanded(
+                        child: FittedBox(
+                            child: Text(
+                                dic['auction.${finished ? 'finish' : 'live'}']
+                                    .toUpperCase(),
+                                style: TextStyle(
+                                    color: karColor,
+                                    fontWeight: FontWeight.bold,
+                                    fontStyle: FontStyle.italic))))
+                  ],
+                ),
+              ),
+              Padding(
+                padding: EdgeInsets.only(right: 4, bottom: 2),
+                child: Row(
+                  children: [
+                    Expanded(
+                        child: FittedBox(
+                            child: Text(
+                                dic['auction.${finished ? 'finish' : 'live'}']
+                                    .toUpperCase(),
+                                style: TextStyle(
+                                    color: cardColor,
+                                    fontWeight: FontWeight.bold,
+                                    fontStyle: FontStyle.italic))))
+                  ],
+                ),
+              ),
+            ],
+          ),
+        )
+      ],
+    );
+  }
+}
diff --git a/lib/pages/public/karCrowdLoanFormPage.dart b/lib/pages/public/karCrowdLoanFormPage.dart
index 28656d4b..fd967e04 100644
--- a/lib/pages/public/karCrowdLoanFormPage.dart
+++ b/lib/pages/public/karCrowdLoanFormPage.dart
@@ -1,3 +1,4 @@
+import 'package:app/common/consts.dart';
 import 'package:app/pages/public/karCrowdLoanPage.dart';
 import 'package:app/service/index.dart';
 import 'package:app/service/walletApi.dart';
@@ -16,6 +17,13 @@ import 'package:polkawallet_ui/pages/txConfirmPage.dart';
 import 'package:polkawallet_ui/utils/format.dart';
 import 'package:polkawallet_ui/utils/index.dart';
 
+class KarCrowdLoanPageParams {
+  KarCrowdLoanPageParams(this.account, this.paraId, this.email);
+  final KeyPairData account;
+  final String paraId;
+  final String email;
+}
+
 class KarCrowdLoanFormPage extends StatefulWidget {
   KarCrowdLoanFormPage(this.service, this.connectedNode);
   final AppService service;
@@ -27,22 +35,15 @@ class KarCrowdLoanFormPage extends StatefulWidget {
   _KarCrowdLoanFormPageState createState() => _KarCrowdLoanFormPageState();
 }
 
-const kar_para_index = '1000';
-
 class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
-  final _emailRegEx = RegExp(
-      r"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$");
   final _referralRegEx = RegExp(r'^0x[0-9a-z]{64}$');
-  final _emailFocusNode = FocusNode();
   final _amountFocusNode = FocusNode();
   final _referralFocusNode = FocusNode();
 
   bool _submitting = false;
 
-  String _email = '';
   double _amount = 0;
   String _referral = '';
-  bool _emailValid = false;
   bool _amountValid = false;
   bool _referralValid = false;
 
@@ -50,23 +51,6 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
 
   bool _emailAccept = true;
 
-  void _onEmailChange(String value) {
-    final v = value.trim();
-    if (v.isEmpty) {
-      setState(() {
-        _email = v;
-        _emailValid = false;
-      });
-      return;
-    }
-
-    final valid = _emailRegEx.hasMatch(v);
-    setState(() {
-      _emailValid = valid;
-      _email = v;
-    });
-  }
-
   void _onAmountChange(String value, BigInt balanceInt) {
     final v = value.trim();
     if (v.isEmpty) {
@@ -80,9 +64,9 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
 
     final amt = double.parse(v);
 
-    final decimals = 12;
-    // final decimals = widget.service.plugin.networkState.tokenDecimals[0];
-    final valid = amt < Fmt.bigIntToDouble(balanceInt, decimals);
+    final decimals =
+        (widget.service.plugin.networkState.tokenDecimals ?? [12])[0];
+    final valid = amt < Fmt.bigIntToDouble(balanceInt, decimals) && amt >= 1;
     setState(() {
       _amountValid = valid;
       _amount = amt;
@@ -108,10 +92,9 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
       });
       return;
     }
-    final res = await WalletApi.verifyKarReferralCode(v);
+    final karApis = widget.service.store.storage.read(kar_crowd_loan_api_key);
+    final res = await WalletApi.verifyKarReferralCode(v, karApis.split('|')[0]);
     print(res);
-    // todo: valid2 = true for testing
-    // final valid2 = true;
     final valid2 = res != null && res['result'];
     setState(() {
       _referral = v;
@@ -122,43 +105,44 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
   Future<void> _signAndSubmit(KeyPairData account) async {
     if (_submitting ||
         widget.connectedNode == null ||
-        !(_amountValid && _emailValid && (_referralValid || _referral.isEmpty)))
-      return;
+        !(_amountValid && (_referralValid || _referral.isEmpty))) return;
 
     setState(() {
       _submitting = true;
     });
-    final decimals = 12;
-    // final decimals = widget.service.plugin.networkState.tokenDecimals[0];
+    final karApi = widget.service.store.storage.read(kar_crowd_loan_api_key);
+    final karApis = karApi.split('|');
+    final KarCrowdLoanPageParams params =
+        ModalRoute.of(context).settings.arguments;
+    final decimals =
+        (widget.service.plugin.networkState.tokenDecimals ?? [12])[0];
+    final amountInt = Fmt.tokenInt(_amount.toString(), decimals);
     final signed = widget.service.store.storage
         .read('$kar_statement_store_key${account.pubKey}');
-    final amountInt = Fmt.tokenInt(_amount.toString(), decimals);
-    // todo: add this post request while API is ready.
-    final signingRes = await WalletApi.postKarCrowdLoan(
-        account.address, amountInt, _email, _referral, signed);
-    print(signingRes);
-    // final signingRes = {'result': true};
-    if (signingRes != null && signingRes['result']) {
+    final signingRes = await widget.service.account.postKarCrowdLoan(
+        account.address,
+        amountInt,
+        params.email,
+        _referral,
+        signed,
+        karApis[0]);
+    if (signingRes != null && (signingRes['result'] ?? false)) {
       final dic = I18n.of(context).getDic(i18n_full_dic_app, 'public');
-      // todo: use response data while API is ready.
-      final signingPayload = {'Sr25519': signingRes['signingPayload']};
-      // final signingPayload = {'Sr25519': signed};
       final res = (await Navigator.of(context).pushNamed(TxConfirmPage.route,
           arguments: TxConfirmParams(
             module: 'crowdloan',
             call: 'contribute',
             txTitle: dic['auction.contribute'],
             txDisplay: {
-              "paraIndex": kar_para_index,
+              "paraIndex": params.paraId,
               "amount": '$_amount KSM',
-              "signingPayload": signingPayload
+              // "signingPayload": signingPayload
             },
-            params: [kar_para_index, amountInt.toString(), signingPayload],
+            params: [params.paraId, amountInt.toString(), null],
           ))) as Map;
       if (res != null) {
-        if (_emailAccept) {
-          // todo: update subscribe id in production
-          WalletApi.postKarSubscribe(_email);
+        if (params.email.isNotEmpty && _emailAccept) {
+          WalletApi.postKarSubscribe(params.email, karApis[1]);
         }
         await showCupertinoDialog(
           context: context,
@@ -186,7 +170,9 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
         builder: (BuildContext context) {
           return CupertinoAlertDialog(
             title: Text('Failed'),
-            content: Text('Get Karura crowdloan info failed.'),
+            content: Text(signingRes == null
+                ? 'Get Karura crowdloan info failed.'
+                : signingRes['message']),
             actions: <Widget>[
               CupertinoButton(
                 child: Text('OK'),
@@ -202,10 +188,16 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
     }
   }
 
+  Widget _getTitle(String title) {
+    return Container(
+      margin: EdgeInsets.only(left: 16, bottom: 4),
+      child: Text(title, style: TextStyle(fontSize: 16, color: Colors.white)),
+    );
+  }
+
   @override
   void dispose() {
     super.dispose();
-    _emailFocusNode.dispose();
     _referralFocusNode.dispose();
     _amountFocusNode.dispose();
   }
@@ -214,8 +206,8 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
   Widget build(_) {
     return Observer(builder: (BuildContext context) {
       final dic = I18n.of(context).getDic(i18n_full_dic_app, 'public');
-      final decimals = 12;
-      // final decimals = widget.service.plugin.networkState.tokenDecimals[0];
+      final decimals =
+          (widget.service.plugin.networkState.tokenDecimals ?? [12])[0];
 
       final cardColor = Theme.of(context).cardColor;
       final karColor = Colors.red;
@@ -227,14 +219,14 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
       final karInfoStyle =
           TextStyle(color: karColor, fontSize: 20, fontWeight: FontWeight.bold);
 
-      final KeyPairData account = ModalRoute.of(context).settings.arguments;
+      final KarCrowdLoanPageParams params =
+          ModalRoute.of(context).settings.arguments;
       final balanceInt = Fmt.balanceInt(
           widget.service.plugin.balances.native.availableBalance.toString());
       final balanceView =
           Fmt.priceFloorBigInt(balanceInt, decimals, lengthMax: 8);
 
-      final inputValid =
-          _emailValid && _amountValid && (_referralValid || _referral.isEmpty);
+      final inputValid = _amountValid && (_referralValid || _referral.isEmpty);
       final isConnected = widget.connectedNode != null;
 
       return CrowdLoanPageLayout(dic['auction.contribute'], [
@@ -242,7 +234,11 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
             Container(
-              margin: EdgeInsets.only(top: 16, bottom: 16),
+              margin: EdgeInsets.only(top: 16),
+              child: _getTitle(dic['auction.address']),
+            ),
+            Container(
+              margin: EdgeInsets.only(bottom: 8),
               padding: EdgeInsets.fromLTRB(12, 8, 12, 8),
               decoration: BoxDecoration(
                   color: Colors.white24,
@@ -251,8 +247,8 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
               child: Row(
                 children: [
                   AddressIcon(
-                    account.address ?? '',
-                    svg: account.icon,
+                    params.account.address ?? '',
+                    svg: params.account.icon,
                     size: 36,
                     tapToCopy: false,
                   ),
@@ -263,11 +259,11 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
                       crossAxisAlignment: CrossAxisAlignment.start,
                       children: [
                         Text(
-                          account.name ?? '',
+                          params.account.name ?? '',
                           style: TextStyle(fontSize: 18, color: cardColor),
                         ),
                         Text(
-                          Fmt.address(account.address ?? ''),
+                          Fmt.address(params.account.address ?? ''),
                           style: TextStyle(color: grayColor, fontSize: 14),
                         ),
                       ],
@@ -276,47 +272,24 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
                 ],
               ),
             ),
-            Container(
-              margin: EdgeInsets.only(top: 8, bottom: 4),
-              child: CupertinoTextField(
-                padding: EdgeInsets.all(16),
-                placeholder: dic['auction.email'],
-                placeholderStyle: TextStyle(color: grayColor, fontSize: 18),
-                style: TextStyle(color: cardColor, fontSize: 18),
-                decoration: BoxDecoration(
-                  color: Colors.white24,
-                  borderRadius: BorderRadius.all(Radius.circular(64)),
-                  border: Border.all(
-                      color: _emailFocusNode.hasFocus ? karColor : grayColor),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Expanded(child: _getTitle(dic['auction.amount'])),
+                Padding(
+                  padding: EdgeInsets.only(right: 16),
+                  child: Text(
+                    '${dic['auction.balance']}: $balanceView KSM',
+                    style: TextStyle(color: Colors.white70, fontSize: 13),
+                  ),
                 ),
-                cursorColor: karColor,
-                clearButtonMode: OverlayVisibilityMode.editing,
-                focusNode: _emailFocusNode,
-                onChanged: _onEmailChange,
-              ),
-            ),
-            Container(
-              height: 12,
-              margin: EdgeInsets.only(left: 16, bottom: 8),
-              child: _email.isEmpty || _emailValid
-                  ? Container()
-                  : Text(
-                      '${dic['auction.invalid']} ${dic['auction.email']}',
-                      style: errorStyle,
-                    ),
-            ),
-            Padding(
-              padding: EdgeInsets.only(left: 16, bottom: 4),
-              child: Text(
-                '${dic['auction.balance']}: $balanceView KSM',
-                style: TextStyle(color: Colors.white70),
-              ),
+              ],
             ),
             Container(
               margin: EdgeInsets.only(bottom: 4),
               child: CupertinoTextField(
                 padding: EdgeInsets.all(16),
-                placeholder: dic['auction.amount'],
+                placeholder: dic['auction.amount1'],
                 placeholderStyle: TextStyle(color: grayColor, fontSize: 18),
                 style: TextStyle(color: cardColor, fontSize: 18),
                 decoration: BoxDecoration(
@@ -333,8 +306,7 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
               ),
             ),
             Container(
-              height: 12,
-              margin: EdgeInsets.only(left: 16, bottom: 8),
+              margin: EdgeInsets.only(left: 16, bottom: 4),
               child: _amount == 0 || _amountValid
                   ? Container()
                   : Text(
@@ -342,6 +314,7 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
                       style: errorStyle,
                     ),
             ),
+            _getTitle(dic['auction.referral']),
             Container(
               margin: EdgeInsets.only(bottom: 4),
               child: CupertinoTextField(
@@ -363,8 +336,7 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
               ),
             ),
             Container(
-              height: 12,
-              margin: EdgeInsets.only(left: 16, bottom: 8),
+              margin: EdgeInsets.only(left: 16, bottom: 4),
               child: _referral.isEmpty || _referralValid
                   ? Container()
                   : Text(
@@ -373,6 +345,7 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
                     ),
             ),
             Container(
+              margin: EdgeInsets.only(top: 16),
               padding: EdgeInsets.all(16),
               decoration: BoxDecoration(
                   color: Colors.white30,
@@ -426,43 +399,45 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
                     mainAxisAlignment: MainAxisAlignment.spaceBetween,
                     children: [
                       Text(dic['auction.lease'], style: karKeyStyle),
-                      Text('12 MONTHS', style: karInfoStyle),
+                      Text('48 WEEKS', style: karInfoStyle),
                     ],
                   ),
                 ],
               ),
             ),
-            Row(
-              mainAxisAlignment: MainAxisAlignment.start,
-              children: [
-                Theme(
-                  child: SizedBox(
-                    height: 48,
-                    width: 32,
-                    child: Padding(
-                      padding: EdgeInsets.only(right: 8),
-                      child: Checkbox(
-                        value: _emailAccept,
-                        onChanged: (v) {
-                          setState(() {
-                            _emailAccept = v;
-                          });
-                        },
+            params.email.isNotEmpty
+                ? Row(
+                    mainAxisAlignment: MainAxisAlignment.start,
+                    children: [
+                      Theme(
+                        child: SizedBox(
+                          height: 48,
+                          width: 32,
+                          child: Padding(
+                            padding: EdgeInsets.only(right: 8),
+                            child: Checkbox(
+                              value: _emailAccept,
+                              onChanged: (v) {
+                                setState(() {
+                                  _emailAccept = v;
+                                });
+                              },
+                            ),
+                          ),
+                        ),
+                        data: ThemeData(
+                          primarySwatch: karColor,
+                          unselectedWidgetColor: karColor, // Your color
+                        ),
                       ),
-                    ),
-                  ),
-                  data: ThemeData(
-                    primarySwatch: karColor,
-                    unselectedWidgetColor: karColor, // Your color
-                  ),
-                ),
-                Expanded(
-                    child: Text(
-                  dic['auction.notify'],
-                  style: TextStyle(color: cardColor, fontSize: 10),
-                ))
-              ],
-            ),
+                      Expanded(
+                          child: Text(
+                        dic['auction.notify'],
+                        style: TextStyle(color: cardColor, fontSize: 10),
+                      ))
+                    ],
+                  )
+                : Container(height: 16),
             Container(
               margin: EdgeInsets.only(top: 4, bottom: 32),
               child: RoundedButton(
@@ -475,7 +450,7 @@ class _KarCrowdLoanFormPageState extends State<KarCrowdLoanFormPage> {
                 color: inputValid && !_submitting && isConnected
                     ? karColor
                     : Colors.grey,
-                onPressed: () => _signAndSubmit(account),
+                onPressed: () => _signAndSubmit(params.account),
               ),
             )
           ],
diff --git a/lib/pages/public/karCrowdLoanPage.dart b/lib/pages/public/karCrowdLoanPage.dart
index 1acac523..2f9fa43c 100644
--- a/lib/pages/public/karCrowdLoanPage.dart
+++ b/lib/pages/public/karCrowdLoanPage.dart
@@ -1,15 +1,17 @@
 import 'dart:async';
 
+import 'package:app/common/consts.dart';
 import 'package:app/pages/public/karCrowdLoanFormPage.dart';
+import 'package:app/pages/public/adPage.dart';
 import 'package:app/service/index.dart';
 import 'package:app/service/walletApi.dart';
 import 'package:app/utils/i18n/index.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:polkawallet_sdk/storage/types/keyPairData.dart';
-import 'package:polkawallet_sdk/webviewWithExtension/types/signExtrinsicParam.dart';
 import 'package:polkawallet_sdk/api/types/networkParams.dart';
 import 'package:polkawallet_sdk/utils/i18n.dart';
+import 'package:polkawallet_sdk/webviewWithExtension/types/signExtrinsicParam.dart';
 import 'package:polkawallet_ui/components/addressIcon.dart';
 import 'package:polkawallet_ui/components/roundedButton.dart';
 import 'package:polkawallet_ui/pages/accountListPage.dart';
@@ -30,17 +32,24 @@ class KarCrowdLoanPage extends StatefulWidget {
 }
 
 class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
+  final _emailRegEx = RegExp(
+      r"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$");
+  final _emailFocusNode = FocusNode();
+
   int _bestNumber = 0;
   Map _fundInfo;
 
   KeyPairData _account = KeyPairData();
 
   bool _submitting = false;
+  String _email = '';
+  bool _emailValid = true;
+
   bool _accepted0 = false;
   bool _accepted1 = false;
   bool _accepted2 = false;
 
-  String _statement;
+  Map _statement;
   bool _signed = false;
 
   List _contributions = [];
@@ -56,13 +65,14 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
   }
 
   Future<void> _getCrowdLoanInfo() async {
+    await _getKarStatement();
     _getCrowdLoanHistory();
 
     if (widget.connectedNode == null) return;
 
     _updateBestNumber();
-    final res = await widget.service.plugin.sdk.webView
-        .evalJavascript('api.query.crowdloan.funds("$kar_para_index")');
+    final res = await widget.service.plugin.sdk.webView.evalJavascript(
+        'api.query.crowdloan.funds("${_statement['paraId'].toString()}")');
     if (mounted) {
       setState(() {
         _fundInfo = res;
@@ -71,22 +81,35 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
   }
 
   Future<void> _getCrowdLoanHistory() async {
+    final karApis = widget.service.store.storage.read(kar_crowd_loan_api_key);
     final res = await WalletApi.getKarCrowdLoanHistory(
-        widget.service.keyring.current.address);
+        _account.address, karApis.split('|')[0]);
     print(res);
-    if (mounted) {
+    if (res != null && mounted) {
       setState(() {
         _contributions = res;
       });
     }
+
+    // we can get users' statement signature if we got the history
+    if (!_signed && res.length > 0) {
+      final signed = res[0]['statement']['signature'];
+      widget.service.store.storage
+          .write('$kar_statement_store_key${_account.pubKey}', signed);
+      if (mounted) {
+        setState(() {
+          _signed = true;
+        });
+      }
+    }
   }
 
   Future<void> _getKarStatement() async {
-    final res = await WalletApi.getKarCrowdLoanStatement();
-    print(res);
+    final karApis = widget.service.store.storage.read(kar_crowd_loan_api_key);
+    final res = await WalletApi.getKarCrowdLoanStatement(karApis.split('|')[0]);
     if (res != null && mounted) {
       setState(() {
-        _statement = res['statement'];
+        _statement = res;
       });
     }
   }
@@ -115,15 +138,34 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
         _accepted2 = false;
         _signed = signed != null;
       });
+
+      _getCrowdLoanHistory();
     }
   }
 
+  void _onEmailChange(String value) {
+    final v = value.trim();
+    if (v.isEmpty) {
+      setState(() {
+        _email = v;
+        _emailValid = true;
+      });
+      return;
+    }
+
+    final valid = _emailRegEx.hasMatch(v);
+    setState(() {
+      _emailValid = valid;
+      _email = v;
+    });
+  }
+
   Future<void> _acceptAndSign() async {
     if (_submitting) return;
-
     setState(() {
       _submitting = true;
     });
+
     final password =
         await widget.service.account.getPassword(context, _account);
 
@@ -132,7 +174,7 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
       params.msgType = "pub(bytes.sign)";
       params.request = {
         "address": _account.address,
-        "data": _statement,
+        "data": _statement['statement'],
       };
 
       final signRes = await widget.service.plugin.sdk.api.keyring
@@ -145,11 +187,7 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
         _signed = true;
       });
 
-      final res = await Navigator.of(context)
-          .pushNamed(KarCrowdLoanFormPage.route, arguments: _account);
-      if (res != null) {
-        _getCrowdLoanInfo();
-      }
+      await _goToContribute();
     } else {
       setState(() {
         _submitting = false;
@@ -157,14 +195,21 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
     }
   }
 
+  Future<void> _goToContribute() async {
+    final res = await Navigator.of(context).pushNamed(
+        KarCrowdLoanFormPage.route,
+        arguments: KarCrowdLoanPageParams(
+            _account, _statement['paraId'].toString(), _email));
+    if (res != null) {
+      _getCrowdLoanInfo();
+    }
+  }
+
   @override
   void initState() {
     super.initState();
 
     WidgetsBinding.instance.addPostFrameCallback((_) {
-      _getCrowdLoanInfo();
-      _getKarStatement();
-
       final acc = widget.service.keyring.current;
       final signed = widget.service.store.storage
           .read('$kar_statement_store_key${acc.pubKey}');
@@ -173,6 +218,8 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
         _account = widget.service.keyring.current;
         _signed = signed != null;
       });
+
+      _getCrowdLoanInfo();
     });
   }
 
@@ -182,10 +229,15 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
 
     if (widget.connectedNode != null && _fundInfo == null) {
       _getCrowdLoanInfo();
-      _getKarStatement();
     }
   }
 
+  @override
+  void dispose() {
+    super.dispose();
+    _emailFocusNode.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     final dic = I18n.of(context).getDic(i18n_full_dic_app, 'public');
@@ -209,8 +261,9 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
     final cardColor = Theme.of(context).cardColor;
     final karColor = Colors.red;
     final grayColor = Colors.white70;
+    final titleStyle = TextStyle(color: grayColor, fontSize: 18);
 
-    final allAccepted = _accepted0 && _accepted1 && _accepted2;
+    final allAccepted = _accepted0 && _accepted1 && _accepted2 && _emailValid;
     return CrowdLoanPageLayout('', [
       Column(
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -229,52 +282,16 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
             ],
           ),
           Container(
-            margin: EdgeInsets.only(top: 4),
+            margin: EdgeInsets.only(top: 4, bottom: 20),
             child: Text(dic['auction.kar'],
                 style: TextStyle(
                     fontSize: 28,
                     color: karColor,
                     fontWeight: FontWeight.bold)),
           ),
-          Container(
-            margin: EdgeInsets.only(top: 20),
-            child: Stack(
-              children: [
-                Padding(
-                  padding: EdgeInsets.only(left: 4, top: 2),
-                  child: Row(
-                    children: [
-                      Expanded(
-                          child: FittedBox(
-                              child: Text(
-                                  dic['auction.${finished ? 'finish' : 'live'}']
-                                      .toUpperCase(),
-                                  style: TextStyle(
-                                      color: karColor,
-                                      fontWeight: FontWeight.bold,
-                                      fontStyle: FontStyle.italic))))
-                    ],
-                  ),
-                ),
-                Padding(
-                  padding: EdgeInsets.only(right: 4, bottom: 2),
-                  child: Row(
-                    children: [
-                      Expanded(
-                          child: FittedBox(
-                              child: Text(
-                                  dic['auction.${finished ? 'finish' : 'live'}']
-                                      .toUpperCase(),
-                                  style: TextStyle(
-                                      color: cardColor,
-                                      fontWeight: FontWeight.bold,
-                                      fontStyle: FontStyle.italic))))
-                    ],
-                  ),
-                ),
-              ],
-            ),
-          ),
+          _fundInfo == null
+              ? Container()
+              : KarCrowdLoanTitleSet(finished: finished),
           Container(
             margin: EdgeInsets.only(top: 8, bottom: 32),
             child: widget.connectedNode == null || _fundInfo == null || finished
@@ -303,15 +320,16 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
                   margin: EdgeInsets.only(bottom: 4),
                   child: Divider(color: grayColor),
                 ),
-                Text(
-                  dic['auction.address'],
-                  style: TextStyle(color: grayColor, fontSize: 18),
+                Container(
+                  margin: EdgeInsets.only(bottom: 8),
+                  child: Text(dic['auction.address'], style: titleStyle),
                 ),
                 GestureDetector(
                   child: Container(
-                    margin: EdgeInsets.only(top: 8, bottom: 16),
+                    margin: EdgeInsets.only(bottom: 16),
                     padding: EdgeInsets.fromLTRB(12, 8, 12, 8),
                     decoration: BoxDecoration(
+                        color: Colors.white12,
                         border: Border.all(color: grayColor),
                         borderRadius: BorderRadius.all(Radius.circular(64))),
                     child: Row(
@@ -351,6 +369,51 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
                   ),
                   onTap: _selectAccount,
                 ),
+                _signed
+                    ? Container()
+                    : Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Container(
+                            margin: EdgeInsets.only(bottom: 8),
+                            child:
+                                Text(dic['auction.email'], style: titleStyle),
+                          ),
+                          Container(
+                            margin: EdgeInsets.only(bottom: 4),
+                            child: CupertinoTextField(
+                              padding: EdgeInsets.all(16),
+                              placeholder: dic['auction.email'],
+                              placeholderStyle:
+                                  TextStyle(color: grayColor, fontSize: 18),
+                              style: TextStyle(color: cardColor, fontSize: 18),
+                              decoration: BoxDecoration(
+                                color: Colors.white12,
+                                borderRadius:
+                                    BorderRadius.all(Radius.circular(64)),
+                                border: Border.all(
+                                    color: _emailFocusNode.hasFocus
+                                        ? karColor
+                                        : grayColor),
+                              ),
+                              cursorColor: karColor,
+                              clearButtonMode: OverlayVisibilityMode.editing,
+                              focusNode: _emailFocusNode,
+                              onChanged: _onEmailChange,
+                            ),
+                          ),
+                          Container(
+                            margin: EdgeInsets.only(left: 16, bottom: 4),
+                            child: _email.isEmpty || _emailValid
+                                ? Container()
+                                : Text(
+                                    '${dic['auction.invalid']} ${dic['auction.email']}',
+                                    style: TextStyle(
+                                        color: karColor, fontSize: 10),
+                                  ),
+                          ),
+                        ],
+                      ),
                 _signed
                     ? Container()
                     : Row(
@@ -385,7 +448,7 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
                                 style: TextStyle(color: cardColor),
                               ),
                               JumpToLink(
-                                'https://acala.network/',
+                                'https://acala.network/terms',
                                 text: ' ${dic['auction.term.0']}',
                                 color: karColor,
                               )
@@ -397,41 +460,67 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
                     ? _contributions.length == 0
                         ? Container()
                         : Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
                             children: [
-                              Text(
-                                dic['auction.txs'],
-                                style: TextStyle(color: cardColor),
+                              Container(
+                                margin: EdgeInsets.only(bottom: 8),
+                                child:
+                                    Text(dic['auction.txs'], style: titleStyle),
                               ),
-                              Column(
-                                children: _contributions.map((e) {
-                                  return Row(
-                                    children: [
-                                      Column(
+                              Container(
+                                padding: EdgeInsets.fromLTRB(16, 8, 16, 8),
+                                decoration: BoxDecoration(
+                                    border: Border.all(
+                                        color: grayColor, width: 0.5),
+                                    borderRadius:
+                                        BorderRadius.all(Radius.circular(16))),
+                                child: Column(
+                                  children: _contributions.map((e) {
+                                    return Container(
+                                      margin:
+                                          EdgeInsets.only(top: 8, bottom: 8),
+                                      child: Row(
+                                        mainAxisAlignment:
+                                            MainAxisAlignment.spaceBetween,
                                         children: [
-                                          Row(
+                                          Column(
+                                            crossAxisAlignment:
+                                                CrossAxisAlignment.start,
                                             children: [
                                               Text(
-                                                'Tx: ${Fmt.address(e['inBlock']['eventId'])}',
+                                                '${Fmt.balance(e['amount'], decimals)} KSM',
+                                                style: TextStyle(
+                                                    color: cardColor,
+                                                    fontWeight:
+                                                        FontWeight.bold),
+                                              ),
+                                              Text(
+                                                  Fmt.dateTime(DateTime.parse(
+                                                      e['createdAt'])),
+                                                  style: TextStyle(
+                                                      color: grayColor,
+                                                      fontSize: 13))
+                                            ],
+                                          ),
+                                          Column(
+                                            children: [
+                                              Text(
+                                                'Event Id',
                                                 style: TextStyle(
                                                     color: Colors.white70),
                                               ),
                                               JumpToLink(
-                                                'https://acala.network/',
-                                                text:
-                                                    ' ${dic['auction.term.0']}',
+                                                'https://kusama.subscan.io/extrinsic/${e['inBlock']['eventId']}',
+                                                text: e['inBlock']['eventId'],
                                                 color: karColor,
                                               )
                                             ],
                                           ),
-                                          Text(Fmt.dateTime(
-                                              DateTime.parse(e['createdAt'])))
                                         ],
                                       ),
-                                      Text(
-                                          '${Fmt.balance(e['amount'], decimals)} KSM')
-                                    ],
-                                  );
-                                }).toList(),
+                                    );
+                                  }).toList(),
+                                ),
                               )
                             ],
                           )
@@ -467,7 +556,7 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
                                 style: TextStyle(color: cardColor),
                               ),
                               JumpToLink(
-                                'https://acala.network/',
+                                'https://acala.network/terms#check',
                                 text: ' ${dic['auction.term.1']}',
                                 color: karColor,
                               )
@@ -509,7 +598,7 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
                                 style: TextStyle(color: cardColor),
                               ),
                               JumpToLink(
-                                'https://acala.network/',
+                                'https://acala.network/privacy',
                                 text: ' ${dic['auction.term.2']}',
                                 color: karColor,
                               )
@@ -522,19 +611,19 @@ class _KarCrowdLoanPageState extends State<KarCrowdLoanPage> {
                   child: _signed
                       ? RoundedButton(
                           text: dic['auction.contribute'],
-                          color: karColor,
-                          onPressed: () => Navigator.of(context).pushNamed(
-                              KarCrowdLoanFormPage.route,
-                              arguments: _account),
+                          color: _emailValid ? karColor : Colors.grey,
+                          onPressed: _emailValid ? _goToContribute : () => null,
                         )
                       : RoundedButton(
-                          text: dic['auction.accept'],
                           icon:
                               _submitting ? CupertinoActivityIndicator() : null,
+                          text: dic['auction.accept'],
                           color: allAccepted && !_submitting
                               ? karColor
                               : Colors.grey,
-                          onPressed: allAccepted ? _acceptAndSign : () => null,
+                          onPressed: allAccepted && !_submitting
+                              ? _acceptAndSign
+                              : () => null,
                         ),
                 )
               ],
@@ -570,7 +659,7 @@ class CrowdLoanPageLayout extends StatelessWidget {
           ),
           Container(
             height: 56,
-            margin: EdgeInsets.only(top: 24, left: 8),
+            margin: EdgeInsets.only(top: 32, left: 8),
             child: Row(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [
diff --git a/lib/service/apiAccount.dart b/lib/service/apiAccount.dart
index 52d02c70..9b2df720 100644
--- a/lib/service/apiAccount.dart
+++ b/lib/service/apiAccount.dart
@@ -175,9 +175,10 @@ class ApiAccount {
   }
 
   Future<Map> postKarCrowdLoan(String address, BigInt amount, String email,
-      String referral, String signature) async {
+      String referral, String signature, String endpoint) async {
     final submitted = await WalletApi.postKarCrowdLoan(
-        address, amount, email, referral, signature);
+        address, amount, email, referral, signature, endpoint);
+    print(submitted);
     if (submitted != null && (submitted['result'] ?? false)) {
       apiRoot.store.account.setBannerVisible(false);
     }
diff --git a/lib/service/walletApi.dart b/lib/service/walletApi.dart
index f207b03e..ab21eaf2 100644
--- a/lib/service/walletApi.dart
+++ b/lib/service/walletApi.dart
@@ -5,7 +5,6 @@ import 'package:http/http.dart';
 
 class WalletApi {
   static const String _endpoint = 'https://api.polkawallet.io';
-  static const String _karEndpoint = 'https://crowdloan-api.laminar.codes';
 
   static const String _jsCodeStorageKey = 'js_service_';
   static const String _jsCodeStorageVersionKey = 'js_service_version_';
@@ -129,9 +128,9 @@ class WalletApi {
     }
   }
 
-  static Future<Map> getKarCrowdLoanStatement() async {
+  static Future<Map> getKarCrowdLoanStatement(String endpoint) async {
     try {
-      final res = await get('$_karEndpoint/statement');
+      final res = await get('https://$endpoint/statement');
       if (res == null) {
         return null;
       } else {
@@ -143,9 +142,10 @@ class WalletApi {
     }
   }
 
-  static Future<List> getKarCrowdLoanHistory(String address) async {
+  static Future<List> getKarCrowdLoanHistory(
+      String address, String endpoint) async {
     try {
-      final res = await get('$_karEndpoint/contributions/$address');
+      final res = await get('https://$endpoint/contributions/$address');
       if (res == null) {
         return null;
       } else {
@@ -158,9 +158,9 @@ class WalletApi {
     }
   }
 
-  static Future<Map> verifyKarReferralCode(String code) async {
+  static Future<Map> verifyKarReferralCode(String code, String endpoint) async {
     try {
-      final res = await get('$_karEndpoint/referral/$code');
+      final res = await get('https://$endpoint/referral/$code');
       if (res == null) {
         return null;
       } else {
@@ -173,19 +173,21 @@ class WalletApi {
   }
 
   static Future<Map> postKarCrowdLoan(String address, BigInt amount,
-      String email, String referral, String signature) async {
+      String email, String referral, String signature, String endpoint) async {
     final headers = {"Content-type": "application/json", "Accept": "*/*"};
     final body = {
       "address": address,
       "amount": amount.toString(),
-      "email": email,
       "signature": signature,
     };
+    if (email.isNotEmpty) {
+      body.addAll({"email": email});
+    }
     if (referral.isNotEmpty) {
       body.addAll({"referral": referral});
     }
     try {
-      final res = await post('$_karEndpoint/sign',
+      final res = await post('https://$endpoint/verify',
           headers: headers, body: jsonEncode(body));
       if (res == null) {
         return null;
@@ -198,7 +200,7 @@ class WalletApi {
     }
   }
 
-  static Future<Map> postKarSubscribe(String email) async {
+  static Future<Map> postKarSubscribe(String email, String subscribeId) async {
     final headers = {"Content-type": "application/json", "Accept": "*/*"};
     final body = {
       "fields": [
@@ -207,7 +209,7 @@ class WalletApi {
     };
     try {
       final res = await post(
-          'https://api.hsforms.com/submissions/v3/integration/submit/7522932/fc605148-482f-4302-a8d2-cece3251f7fc',
+          'https://api.hsforms.com/submissions/v3/integration/submit/7522932/$subscribeId',
           headers: headers,
           body: jsonEncode(body));
       if (res == null) {
diff --git a/lib/utils/i18n/en/public.dart b/lib/utils/i18n/en/public.dart
index dea4a86e..347a91f1 100644
--- a/lib/utils/i18n/en/public.dart
+++ b/lib/utils/i18n/en/public.dart
@@ -12,10 +12,11 @@ const Map<String, String> enPublic = {
   'auction.term.2': 'Privacy Policy',
   'auction.accept': 'Accept & Sign',
   'auction.contribute': 'Contribute',
-  'auction.email': 'Email',
-  'auction.amount': 'Amount to Contribute (KSM)',
+  'auction.email': 'Email(optional)',
+  'auction.amount': 'Amount',
+  'auction.amount1': 'Amount to Contribute (KSM)',
   'auction.balance': 'Available',
-  'auction.referral': 'Referral Code (optional)',
+  'auction.referral': 'Referral Code(optional)',
   'auction.estimate': 'Estimated KAR Paradrop',
   'auction.note':
       'If Karura wins the auction, KAR rewards will be distributed upon genesis. Otherwise, the KSM locked will automatically bid for the next available auction. Check the Terms & Conditions for details.',
diff --git a/lib/utils/i18n/zh/assets.dart b/lib/utils/i18n/zh/assets.dart
index 195684c4..c208f0af 100644
--- a/lib/utils/i18n/zh/assets.dart
+++ b/lib/utils/i18n/zh/assets.dart
@@ -18,7 +18,7 @@ const Map<String, String> zhAssets = {
   'amount.exist.msg': '账户在网络上存活所需要的最小余额。',
   'currency': '币种',
   'currency.select': '选择币种',
-  'make': '添加转账',
+  'make': '发起转账',
   'balance': '余额',
   'locked': '锁定',
   'available': '可用',
diff --git a/lib/utils/i18n/zh/public.dart b/lib/utils/i18n/zh/public.dart
index 07dec928..2860d65c 100644
--- a/lib/utils/i18n/zh/public.dart
+++ b/lib/utils/i18n/zh/public.dart
@@ -12,8 +12,9 @@ const Map<String, String> zhPublic = {
   'auction.term.2': '隐私条款',
   'auction.accept': '接受并签名',
   'auction.contribute': '支持竞拍',
-  'auction.email': '邮箱',
-  'auction.amount': '贡献数量（KSM）',
+  'auction.email': '邮箱（选填）',
+  'auction.amount': '数量',
+  'auction.amount1': '贡献数量（KSM）',
   'auction.balance': '可用余额',
   'auction.referral': '邀请码（选填）',
   'auction.estimate': '预估奖励（KAR）',
diff --git a/pubspec.lock b/pubspec.lock
index 1d5476e5..f2f68bd3 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -127,6 +127,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  charts_common:
+    dependency: transitive
+    description:
+      name: charts_common
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.0"
+  charts_flutter:
+    dependency: transitive
+    description:
+      name: charts_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.0"
   checked_yaml:
     dependency: transitive
     description:
@@ -168,7 +182,7 @@ packages:
       name: connectivity
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9+5"
+    version: "2.0.2"
   connectivity_for_web:
     dependency: transitive
     description:
@@ -366,20 +380,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.4"
+  gql_dedupe_link:
+    dependency: transitive
+    description:
+      name: gql_dedupe_link
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.10"
+  gql_error_link:
+    dependency: transitive
+    description:
+      name: gql_error_link
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1-alpha+1601131172858"
+  gql_exec:
+    dependency: transitive
+    description:
+      name: gql_exec
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.5"
+  gql_http_link:
+    dependency: transitive
+    description:
+      name: gql_http_link
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.2"
+  gql_link:
+    dependency: transitive
+    description:
+      name: gql_link
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.1"
+  gql_transform_link:
+    dependency: transitive
+    description:
+      name: gql_transform_link
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.5"
   graphql:
     dependency: transitive
     description:
       name: graphql
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.0"
+    version: "4.0.1"
   graphql_flutter:
     dependency: transitive
     description:
       name: graphql_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.0"
+    version: "4.0.1"
   graphs:
     dependency: transitive
     description:
@@ -387,6 +443,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.2.0"
+  hive:
+    dependency: transitive
+    description:
+      name: hive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.4+1"
   http:
     dependency: transitive
     description:
@@ -499,6 +562,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.5.1"
+  liquid_progress_indicator:
+    dependency: transitive
+    description:
+      name: liquid_progress_indicator
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.2"
   logging:
     dependency: transitive
     description:
@@ -555,6 +625,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
+  normalize:
+    dependency: transitive
+    description:
+      name: normalize
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.7"
   package_config:
     dependency: transitive
     description:
@@ -671,8 +748,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: fd16946d18c84078e96c64e3dbc1b93061dc6802
-      resolved-ref: fd16946d18c84078e96c64e3dbc1b93061dc6802
+      ref: "28aff6c52cbc4fbdf22120f191b073ffd1faf3a9"
+      resolved-ref: "28aff6c52cbc4fbdf22120f191b073ffd1faf3a9"
       url: "https://github.com/AcalaNetwork/polkawallet_plugin_acala.git"
     source: git
     version: "0.1.6"
@@ -680,8 +757,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "225f62ae68adfef0d50bdb4d2eb6a34e4f518269"
-      resolved-ref: "225f62ae68adfef0d50bdb4d2eb6a34e4f518269"
+      ref: "0692cbb02da9cfd59eae2856e6e2819c072d4cd3"
+      resolved-ref: "0692cbb02da9cfd59eae2856e6e2819c072d4cd3"
       url: "https://github.com/true-eye/polkawallet_plugin_chainx.git"
     source: git
     version: "0.0.1"
@@ -689,26 +766,26 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: e05ce06f0a459ae0879a7adf56295d5e25eba8be
-      resolved-ref: e05ce06f0a459ae0879a7adf56295d5e25eba8be
+      ref: "4e0d7dffee5222c493f70a310ce5f9b5b24f4d90"
+      resolved-ref: "4e0d7dffee5222c493f70a310ce5f9b5b24f4d90"
       url: "https://github.com/remzrn/polkawallet_plugin_edgeware.git"
     source: git
-    version: "0.0.1"
+    version: "0.1.6"
   polkawallet_plugin_kusama:
     dependency: "direct main"
     description:
       path: "."
-      ref: "5bd378a753df123014ed3dddd68ec644c23c6543"
-      resolved-ref: "5bd378a753df123014ed3dddd68ec644c23c6543"
+      ref: "8add53266eb2bc65aa94b378f0daeb456e39eee7"
+      resolved-ref: "8add53266eb2bc65aa94b378f0daeb456e39eee7"
       url: "https://github.com/polkawallet-io/polkawallet_plugin_kusama.git"
     source: git
-    version: "0.1.6"
+    version: "0.1.7"
   polkawallet_plugin_laminar:
     dependency: "direct main"
     description:
       path: "."
-      ref: "3011d23be5c005e088ddd7ce6c58d82ef31dca36"
-      resolved-ref: "3011d23be5c005e088ddd7ce6c58d82ef31dca36"
+      ref: "73b623a259fa6c31c0999625ebbfa7cdb84a6dcd"
+      resolved-ref: "73b623a259fa6c31c0999625ebbfa7cdb84a6dcd"
       url: "https://github.com/polkawallet-io/polkawallet_plugin_laminar.git"
     source: git
     version: "0.1.5"
@@ -718,16 +795,16 @@ packages:
       name: polkawallet_sdk
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.6"
+    version: "0.1.7"
   polkawallet_ui:
     dependency: "direct overridden"
     description:
       path: "."
-      ref: "797d2184fb18335895b95069f94b880b539d23f6"
-      resolved-ref: "797d2184fb18335895b95069f94b880b539d23f6"
+      ref: b68da4b7d56dec37ddc34844b204fd095a00f7df
+      resolved-ref: b68da4b7d56dec37ddc34844b204fd095a00f7df
       url: "https://github.com/polkawallet-io/ui.git"
     source: git
-    version: "0.1.5"
+    version: "0.1.7"
   pool:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index a16d7da0..e8bd29cd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 2.0.4+2041
+version: 2.0.5+2053
 
 environment:
   sdk: ">=2.10.0 <3.0.0"
@@ -35,23 +35,23 @@ dependencies:
   polkawallet_plugin_kusama:
     git:
       url: https://github.com/polkawallet-io/polkawallet_plugin_kusama.git
-      ref: 5bd378a753df123014ed3dddd68ec644c23c6543
+      ref: 8add53266eb2bc65aa94b378f0daeb456e39eee7
   polkawallet_plugin_acala:
     git:
       url: https://github.com/AcalaNetwork/polkawallet_plugin_acala.git
-      ref: fd16946d18c84078e96c64e3dbc1b93061dc6802
+      ref: 28aff6c52cbc4fbdf22120f191b073ffd1faf3a9
   polkawallet_plugin_laminar:
     git:
       url: https://github.com/polkawallet-io/polkawallet_plugin_laminar.git
-      ref: 3011d23be5c005e088ddd7ce6c58d82ef31dca36
+      ref: 73b623a259fa6c31c0999625ebbfa7cdb84a6dcd
   polkawallet_plugin_chainx:
     git:
       url: https://github.com/true-eye/polkawallet_plugin_chainx.git
-      ref: 225f62ae68adfef0d50bdb4d2eb6a34e4f518269
+      ref: 0692cbb02da9cfd59eae2856e6e2819c072d4cd3
   polkawallet_plugin_edgeware:
     git:
       url: https://github.com/remzrn/polkawallet_plugin_edgeware.git
-      ref: e05ce06f0a459ae0879a7adf56295d5e25eba8be
+      ref: 4e0d7dffee5222c493f70a310ce5f9b5b24f4d90
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
@@ -71,9 +71,9 @@ dependency_overrides:
   polkawallet_ui:
     git:
       url: https://github.com/polkawallet-io/ui.git
-      ref: 797d2184fb18335895b95069f94b880b539d23f6
+      ref: b68da4b7d56dec37ddc34844b204fd095a00f7df
 #    path: ../../coding/polkawallet/ui
-  polkawallet_sdk: ^0.1.6
+  polkawallet_sdk: ^0.1.7
 #  polkawallet_sdk:
 #    path: ../../coding/polkawallet/sdk
 
@@ -127,6 +127,7 @@ flutter:
     - assets/images/public/banner_kar_plo.png
     - assets/images/public/kar_bg.png
     - assets/images/public/kar_logo.png
+    - assets/images/public/kar_crowd_loan.jpg
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.