diff --git a/app/src/main/java/com/cobo/cold/ui/fragment/PassphraseFragment.java b/app/src/main/java/com/cobo/cold/ui/fragment/PassphraseFragment.java
index fe3e7b5..d6199ed 100644
--- a/app/src/main/java/com/cobo/cold/ui/fragment/PassphraseFragment.java
+++ b/app/src/main/java/com/cobo/cold/ui/fragment/PassphraseFragment.java
@@ -93,7 +93,7 @@ public class PassphraseFragment extends SetupVaultBaseFragment<PassphraseBinding
                     mBinding.inputHint.setTextColor(Color.RED);
                 } else {
                     mBinding.inputHint.setText(R.string.passphrase_hint3);
-                    mBinding.inputHint.setTextColor(Color.WHITE);
+                    mBinding.inputHint.setTextColor(mActivity.getResources().getColor(R.color.white40));
                 }
             }
         };
diff --git a/app/src/main/java/com/cobo/cold/ui/fragment/main/QRCodeScanFragment.java b/app/src/main/java/com/cobo/cold/ui/fragment/main/QRCodeScanFragment.java
index 6a354e5..e5f4188 100644
--- a/app/src/main/java/com/cobo/cold/ui/fragment/main/QRCodeScanFragment.java
+++ b/app/src/main/java/com/cobo/cold/ui/fragment/main/QRCodeScanFragment.java
@@ -210,7 +210,7 @@ public class QRCodeScanFragment extends BaseFragment<QrcodeScanFragmentBinding>
                 throw new XpubNotMatchException("xpub not match");
             }
             return tx;
-        } catch (ElectrumTx.SerializationException e) {
+        } catch (ElectrumTx.SerializationException | IllegalArgumentException e) {
             e.printStackTrace();
         }
         return null;
diff --git a/app/src/main/java/com/cobo/cold/ui/fragment/main/TransactionItem.java b/app/src/main/java/com/cobo/cold/ui/fragment/main/TransactionItem.java
index c162b58..b887117 100644
--- a/app/src/main/java/com/cobo/cold/ui/fragment/main/TransactionItem.java
+++ b/app/src/main/java/com/cobo/cold/ui/fragment/main/TransactionItem.java
@@ -17,26 +17,26 @@
 
 package com.cobo.cold.ui.fragment.main;
 
-import com.cobo.coinlib.utils.Coins;
-
 import java.text.NumberFormat;
 
 public class TransactionItem {
     final int id;
     final String amount;
     final String address;
+    private final String coinCode;
 
-    public TransactionItem(int id, long amount, String address) {
+    public TransactionItem(int id, long amount, String address, String coinCode) {
         this.id = id;
+        this.coinCode = coinCode;
         this.amount = formatSatoshi(amount);
         this.address = address;
     }
 
-    static String formatSatoshi(long satoshi) {
+    private String formatSatoshi(long satoshi) {
         double value = satoshi / Math.pow(10, 8);
         NumberFormat nf = NumberFormat.getInstance();
         nf.setMaximumFractionDigits(20);
-        return nf.format(value) + " " + Coins.BTC.coinCode();
+        return nf.format(value) + " " + coinCode;
     }
 
     public int getId() {
diff --git a/app/src/main/java/com/cobo/cold/ui/fragment/main/TxConfirmFragment.java b/app/src/main/java/com/cobo/cold/ui/fragment/main/TxConfirmFragment.java
index 97ff745..ecb9f45 100644
--- a/app/src/main/java/com/cobo/cold/ui/fragment/main/TxConfirmFragment.java
+++ b/app/src/main/java/com/cobo/cold/ui/fragment/main/TxConfirmFragment.java
@@ -225,7 +225,8 @@ public class TxConfirmFragment extends BaseFragment<TxConfirmFragmentBinding> {
                 }
                 items.add(new TransactionItem(i,
                         output.getLong("value"),
-                        output.getString("address")
+                        output.getString("address"),
+                        txEntity.getCoinCode()
                 ));
             }
         } catch (JSONException e) {
@@ -248,7 +249,8 @@ public class TxConfirmFragment extends BaseFragment<TxConfirmFragmentBinding> {
             for (int i = 0; i < inputs.length(); i++) {
                 items.add(new TransactionItem(i,
                         inputs.getJSONObject(i).getLong("value"),
-                        inputs.getJSONObject(i).getString("address")
+                        inputs.getJSONObject(i).getString("address"),
+                        txEntity.getCoinCode()
                 ));
             }
             String fromAddress = inputs.getJSONObject(0).getString("address");
diff --git a/app/src/main/java/com/cobo/cold/ui/fragment/main/TxFragment.java b/app/src/main/java/com/cobo/cold/ui/fragment/main/TxFragment.java
index 807fdba..149efb9 100644
--- a/app/src/main/java/com/cobo/cold/ui/fragment/main/TxFragment.java
+++ b/app/src/main/java/com/cobo/cold/ui/fragment/main/TxFragment.java
@@ -137,7 +137,8 @@ public class TxFragment extends BaseFragment<TxBinding> {
                 }
                 items.add(new TransactionItem(i,
                         value,
-                        output.getString("address")
+                        output.getString("address"),
+                        txEntity.getCoinCode()
                 ));
             }
         } catch (JSONException e) {
@@ -161,7 +162,8 @@ public class TxFragment extends BaseFragment<TxBinding> {
             for (int i = 0; i < inputs.length(); i++) {
                 items.add(new TransactionItem(i,
                         inputs.getJSONObject(i).getLong("value"),
-                        inputs.getJSONObject(i).getString("address")
+                        inputs.getJSONObject(i).getString("address"),
+                        txEntity.getCoinCode()
                 ));
             }
             String fromAddress = inputs.getJSONObject(0).getString("address");
diff --git a/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxConfirmFragment.java b/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxConfirmFragment.java
index 8c77669..b71dbbc 100644
--- a/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxConfirmFragment.java
+++ b/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxConfirmFragment.java
@@ -32,6 +32,7 @@ import androidx.navigation.Navigation;
 
 import com.cobo.coinlib.coins.BTC.Electrum.ElectrumTx;
 import com.cobo.coinlib.utils.Base43;
+import com.cobo.coinlib.utils.Coins;
 import com.cobo.cold.R;
 import com.cobo.cold.Utilities;
 import com.cobo.cold.config.FeatureFlags;
@@ -251,7 +252,8 @@ public class ElectrumTxConfirmFragment extends BaseFragment<ElectrumTxConfirmFra
             for (int i = 0; i < outputs.length(); i++) {
                 items.add(new TransactionItem(i,
                         outputs.getJSONObject(i).getLong("value"),
-                        outputs.getJSONObject(i).getString("address")
+                        outputs.getJSONObject(i).getString("address"),
+                        Coins.BTC.coinCode()
                 ));
             }
         } catch (JSONException e) {
@@ -275,7 +277,8 @@ public class ElectrumTxConfirmFragment extends BaseFragment<ElectrumTxConfirmFra
                 JSONObject out = inputs.getJSONObject(i);
                 items.add(new TransactionItem(i,
                         out.getLong("value"),
-                        out.getString("address")));
+                        out.getString("address"),
+                        Coins.BTC.coinCode()));
             }
         } catch (JSONException e) {
             return;
diff --git a/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxFragment.java b/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxFragment.java
index 1b868db..e18c7d8 100644
--- a/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxFragment.java
+++ b/app/src/main/java/com/cobo/cold/ui/fragment/main/electrum/ElectrumTxFragment.java
@@ -27,6 +27,7 @@ import android.view.View;
 import androidx.lifecycle.ViewModelProviders;
 
 import com.cobo.coinlib.utils.Base43;
+import com.cobo.coinlib.utils.Coins;
 import com.cobo.cold.R;
 import com.cobo.cold.databinding.ElectrumTxBinding;
 import com.cobo.cold.db.entity.TxEntity;
@@ -101,7 +102,8 @@ public class ElectrumTxFragment extends BaseFragment<ElectrumTxBinding> {
             for (int i = 0; i < outputs.length(); i++) {
                 JSONObject out = outputs.getJSONObject(i);
                 items.add(new TransactionItem(i,
-                        out.getLong("value"), out.getString("address")));
+                        out.getLong("value"), out.getString("address"),
+                        Coins.BTC.coinCode()));
             }
         } catch (JSONException e) {
             return;
@@ -128,7 +130,8 @@ public class ElectrumTxFragment extends BaseFragment<ElectrumTxBinding> {
             for (int i = 0; i < outputs.length(); i++) {
                 items.add(new TransactionItem(i,
                         outputs.getJSONObject(i).getLong("value"),
-                        outputs.getJSONObject(i).getString("address")
+                        outputs.getJSONObject(i).getString("address"),
+                        Coins.BTC.coinCode()
                 ));
             }
         } catch (JSONException e) {
diff --git a/app/src/main/java/com/cobo/cold/update/utils/FileUtils.java b/app/src/main/java/com/cobo/cold/update/utils/FileUtils.java
index 8485d0b..eb1acf3 100644
--- a/app/src/main/java/com/cobo/cold/update/utils/FileUtils.java
+++ b/app/src/main/java/com/cobo/cold/update/utils/FileUtils.java
@@ -52,6 +52,9 @@ public class FileUtils {
     public static boolean writeString(@NonNull File file, String content) {
         try(FileOutputStream fos = new FileOutputStream(file)) {
             fos.write(content.getBytes());
+            fos.getFD().sync();
+            fos.flush();
+            fos.close();
             return true;
         } catch (Exception e) {
             e.printStackTrace();
diff --git a/app/src/main/res/layout/passphrase.xml b/app/src/main/res/layout/passphrase.xml
index 3668059..f600cca 100644
--- a/app/src/main/res/layout/passphrase.xml
+++ b/app/src/main/res/layout/passphrase.xml
@@ -92,7 +92,7 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:focusable="true"
-                android:paddingVertical="5dp"
+                android:paddingVertical="10dp"
                 android:focusableInTouchMode="true"
                 android:hint="@string/passphrase_hint2"
                 android:imeOptions="actionNext"
@@ -113,10 +113,11 @@
         <TextView
             android:id="@+id/input_hint"
             android:layout_marginTop="10dp"
-            android:layout_marginHorizontal="10dp"
+            android:layout_marginHorizontal="16dp"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:textColor="@color/white"
+            android:textColor="@color/white40"
+            android:textSize="12sp"
             android:text="@string/passphrase_hint3" />
 
         <LinearLayout
@@ -132,7 +133,7 @@
                 android:layout_height="wrap_content"
                 android:background="@null"
                 android:focusable="true"
-                android:paddingVertical="5dp"
+                android:paddingVertical="10dp"
                 android:focusableInTouchMode="true"
                 android:hint="@string/passphrase_hint_agian"
                 android:imeOptions="actionDone"